How to drill mercury exhaust It's open to the exhaust passage right after the riser. So the threaded portion of the plug remains in the drain plug hole. Which means this video applies to Crown Victoria, Mustang, F150, MGZT, Rover 75 Log exhaust manifolds, the most common exhaust system found on jet boats and v-drives. To drill out exhaust bolts properly, you will need specific tools to help you complete the task efficiently and effectively. In this video we will demonstrate how to drill 3 holes into your muffler and get that sweet sou i have a 1993 25h merc. p. I suggest that one might look at something like a Dremel with a grinding attachment of some sort, rather than something involving impact. 05-14-2018, 05:38 PM Pelican Parts Catalog | Tech Articles | Promos & Specials #4 steveng1993: Registered . I made this video to give you all Use a sharp punch to create a centered dimple, then start drilling with a metal drill bit kit starting very small and lubricating liberally, do not use too much pressure, let the drill do the work. Brian SB Products:Inspiring metal to change shape, one chip at a time. ¼” round drift punch 5. parttimr Cadet. Mercury Racing’s exclusive X-Haust Noise Reducer features a fully integrated sterndrive exhaust noise reduction system. So to answer your question, drilling out the baffles will not For that application I would use the tape on the "grub" screw only. make sure you use cutting oil and the correct drill speed. If I'm going to drill the exhaust, I need to do it now before I start painting. Note: A mechanic at a local marina replaced the steering cable last week (he had to remove the port engine exhaust hoses to access the cable area (but he forgot to tighten the exhaust clamps). i want to relieve the exhaust by drilling the leg. Learn more: 8 Ways To Make Your Car’s Exhaust Sound Louder. As said, my Mercury's split exhaust chest doesn't do anything to even the length of travel. olboatman. 5 Merc. Description. Remove your motorcycle's slip-on exhaust, which includes the muffler. It is usually used with a 1/2 or 3/8 inches metal cutting bit. Thread starter tango13; Start date Sep 30, 2015; tango13 Petty Officer 3rd Class. howtomotorcyclerepair. View Profile View Forum Posts View Blog Entries View Articles 6000 RPM Join Date Oct 2006 Location Florida most of the time Posts 1,037 Thanks (Given) 0 #mercuryoutboard #mercuryoutboards #outboardengine #outboardmotor Mercury V150 Black Max Exhaust cleaning inspection and leak repair. 00 Add to cart 4″ Setback Standard Series Jack Plate 300hp $ 1,600. Come after much thought I have realized that drilling any additional holes below the water line solves nothing. The following procedures can be performed at home using basic hand tools listed below. The tip comes back with a gritty, dark, muddy looking sludge. Sierra marine parts: htt Re: 1985 Merc 50 hp 4cyl 2stroke exhaust Clogged take off the lower unit and pull out the exhaust tube and clean it. If you release too much back pressure without rejetting, you may have overheating issues. The flange right after the 2nd cat, figured I’d be able to drill through them no problem since they were falling apart in my hands. Is it possible to just drill a new hole, tap it & put in a new stud, or does that not Featured is a 2000 Mercury Cougar V6 2. I've got two steel sleeves on 3 and 4 and the rest are nic. Round wire brush 6. Here is one question for you or others - A friend's Dad back in the late 70's had an old 16 foot Bomber bassboat fitted with a 3 Re: Drilled exhaust That motor is not dry stacked, it has exhaust can removed and mid-section drilled Mod Vp style. They are louder than the non XS motors but not an annoying loud. I moved on to the ones that broke on the cat side. Drill 1 slightly oversize hole in the flat on the end of the t-channel. 1987 30hp Yamaha 2 stroke outboard exhaust seal removal. it is an exhaust system with catalytic converter. I have one for hemi and one for fords, haven't picked up the LS one yet so I went with welding this time lol Do It Right: If you decide to remove the air filter housing, do so by unsnapping the spring clips from the air filter housing cover, loosening the hose clamp and removing the air inlet tube, and removing the air filter housing cover and air filter. I’ve been a grinder to take off the shank and head of the bolt and titanium drill bits just won’t budge it. Joined Apr 8, 2003 merc 225 to drill exhaust, or not? The reeds should on the average give you about 300 RPM at the top end, PLUS midrange, low end torq and idle will be greatly improved. raise powerhead,remove both exhaust plates,tuner will be bolted to lower plate This comprehensive guide will walk you through the process of choosing the perfect drill bit for removing exhaust bolts. On some installations, you may need to put 3" high, or higher spacers, under the riser (elbow) before you begin anything,,, I had to do this on one of my boats, don't remember which one? Mkos1980 Drilling out exhaust manifold bolts requires patience and precision. K. (Too much air, however, will cause a propeller to over-ventilate and lose its bite. Ford Broken Exhaust Manifold Bolt Drill Template - Available at 1998 225 EFI SN OG665397 Pulled motor apart to clean exhaust and rebuild swivel bracket. Drill thru with a 1/8" drill first to lessen the required thrust on the larger drill. Perhaps one of those drill bits for enlarging holes at an angle shaped like a sherbert on a Mercury MerCruiser Sterndrives & Engines . Mercruiser 4. View Profile View Forum Posts Private Message Member Join Date Jun 2012 Location TRL Posts 747 #6 09-12-2014, 08:51 PM. But has any one who has done this experieced any problems? Lower gas milege, burning fuel to rich etc. 4. I cover all the basic components of a Marine manif Due to the close proximity of the holes to the keyhole I don't think oversized holes would be a good idea but that's just me. 3. You will have to look at some rivets at the hardware store to see what size compares to what you have shown here. some Mercury outboards had telltale at Real quick, anyone have a quick way of getting those exhaust bolts out that are rusted and or welded themselves on the cat flanges with out cutting the whole cat out. How expensive? 4. I have opened an exhaust system of a voyager. Cut off a small piece of steel on the end t-channel making a flat for the 3 rd hole. Replacing exhaust manifold on 4. i asked another dealer if this was a good idea and he told me, yes thats the way they tune all there own boats. You can u A good prop shop can drill your prop to accept Mercury PVS plugs. I was surprised at the lack of buildup on the top of the inner can. I Mercury recommends solid plugs or minimal openings on 4 strokes. About whether it should be 1/2 inch holes or 5/8, 4 holes or 5 etc. youll get tired #shorts Using an old Airbrush needle, I poke an indentation into the center of the pipe. Do all blades that way, then before drilling, turn prop in a direction that you can verify the drilling will not coincide with the inner webs between outer and inner hub. Take some all-purpose oil, and lubricate the drill bit before starting. The result might be having to replace the exhaust, causing what you wanted to avoid in the first place. Add Both to Cart. merc 225 to drill exhaust, or not? Thread starter mgerle; Start date Apr 11, 2003; M. I learned this trick years ago from an old school When you drill holes in the transom, you introduce a way for water to get to the wood inside. I decided to switch to the tube. This is the tap drill size for a 3/4 NPT (tapered pipe thread). I will show you how to drill your exhaust, tap it for threads so if you ever want it back stock, you can insert 2 plugs! Sounds amazing! The way to drill these point the power head would need to be removed and the inner liner with a long drill bit to drill through the inner part of the ledge from the inside. It's important to drill holes at the right location to prevent damage to the car. The pictures I have seen of others when disassembled seem to be clean The Tools Needed:4. Trying to salvage the flanges and just pull the cat. too fast will just overheat the bit and harden the bolt more. You will need an extension or an extra long drill bit, since the baffle is about 8" Question: Will A Thru Hull Marine Exhaust System Improve My Boat’s Performance? The short answer is yes in most cases upgrading Marine Exhaust Systems to reduce engine exhaust back pressure WILL improve the overall level of performance and can also improve the life Master of Sound Automotive Exhaust System Manufacturers Mercury has been designing, manufacturing and distributing exhaust systems and accessories to the automotive industry in excess of 70 years. Next, enlarge the hole in the outer manifold surface to 1. get 2 solid sets. To do this correctly you will have to remove the powerhead and lower unit, disassemble the exhaust plate, remove exhaust can and drill six 1/2" thru the midsection step thats above the cavation plate fin. Concerning though is the outside of the inner can is completely covered in carbon. What all is involved in changing the exhaust tuner on a 2004 Mercury 150 EFI (OT817589)? JOE54. Use plenty of coolant (oil) on the bit when drilling. <br /><br />im always one for getting the mostest from the leastest. i started working on my exhaust today and i couldnt get to the bolts that bolt the manifolds to the downpipe im just wondering what the easiest way to remove all of the stock exhaust. Thread starter samm835; Start date The rubber exhaust hose will help quiet it down some. X-haust was developed primarily to bring the HP600 SCi and EU662 SCi sterndrive engine packages, already 1990 Ford Thunderbird 3. Make notes as you go. ive got shorty headers and the full mandrel bent exhaust system. youll regret it later when you have to spend money to go and fix it. Apart from getting to the exhaust plate, is it as simple as just having a muffler shop weld on a similar size pipe in place and reassemble? Remove mid Step 3 – Drill the baffle. What might be Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC. The thought was this would relieve some exhaust pressure and improve idle. In this weeks job, I received an old exhaust manifold that had a weld repair already done to it. By drilling holes, you can make the exhaust louder without affecting performance. Not as loud as i'd like it but I am happy with spending $5 on a drill bit vs. 3l V6. ? I'm just on the cusp of drilling some holes after realizing how quite the exhaust really is on the In this episode Kevin explains how he drills out and re taps broken off exhaust studs/bolts The most common reason to drill holes in a muffler is to improve the sound of the exhaust. island561 This is likely the place where the exhaust is leaking. Mercury MerCruiser Sterndrives & Engines . This trick can be used on almost any broken bolt. Does this simple mod require any other changes, i. Removing frozen, pressed-in exhaust flange studs without damage to flange or exhaust pipes. Mark's High Performance Propellers, Inc. NPT hole into the bottom and center of the exhaust manifold runners for cylinders 4 and 5. That will expose the powerhead mounting bolts, and the joint between the midsection. I put a hole through it trying to remove the threads so it will need to Re: Exhaust Bellows vs Exhaust Tube Thanks for all the feedback. The Mercury PVS plugs come in four sizes, Solid, 1/4", 3/8" and 1/2". mgerle Cadet. 5L ONLY Exhaust Housing designed for Outboards Without modification to the engine, this simple, after-market add-on is designed to relieve back pressure on the engine, and The Performance Vent System, designed and patented by Mercury marine, is a management system of the exhaust gases that exit from the propeller's tube allowing us to I would not attempt to drill through the top of the exhaust manifold (under the ID core plug) without having a donor block to "practice on"D. 0 drain plug It's drill and partially threaded to 1/2x20tpi right now. OEM Support; OEM Services; Contact Us; 1-800-486-0999; Call today 800-486-0999 for help building your custom exhaust. 4 200hp. Joined Feb 9, 2006 probably <1 lb. We will cover different types of drill bits, their pros and cons, and provide tips on how to effectively Want to know how to drill holes in stainless steel for a lambda boss? Well we have you covered! Adama walks through a simple method to drill your hole and sa Drilling holes in your muffler can definitely help increase exhaust flow and improve performance, but there are a few things to keep in mind. The 18 holes were only slightly blocked. if you want sound out of it, find an open element cold air intake. 4 - exhaust manifold problems Howdy, If you can get to both sides of the engine with a small grinder you can grind the heads of the bolts off or center punch each and drill them off. 8 SC, 5 speed - sold 1999 Mercury Mountaineer 5. Yes. Find an appropr Grade 8 bolts are softer than Rc 40 and normally present no problem in drilling. In theory here's how it works. Regular maintenance and safety precautions are necessary post-customization to maintain optimal performance and sound quality. Then you may be able to use a 6" pipe wrench or vise grips to pull each bolt. Remove the air inlet above the radiator support by pulling out at the base, disconnecting from the air filter housing, and pulling up on the . the sound is darker, but not much louder. $269. Transom rot occurs in areas around the bilge drain and the outdrive if water intrusion occurs. I believe the idea was to insert a drill bit through each of the existing exhaust holes and drill through into the exhaust can. other benefits? F40FDFA6-0839-439C-944D Andy Phillips shows how to easily remove exhaust flange nuts and bolts that are stripped and/or seized. March 21, 2018 at 11:01 pm #72840. 9/16 Drilling is a pretty unscientific way to modify the exhaust. S. exhaust extension and I have not tried drilling holes in the hub of a non-vented propeller to improve acceleration from a standing start. It seems like a scary thing to do but honestly it takes like 10 minutes if you have the right drill / drill bit and I personally think it sounds a lot better. I need to get it out or I cant put a new one in. Re: broke exhaust manifold drain plug The exhaust manifold blue plastic drain plug broke when I was trying to unscrew it to drain the manifold for winterizing. These exhaust systems aren't known for producing any big dyno numbers, but their Related products. 2. Should be easy About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Mercury MerCruiser Sterndrives & Engines . 10-13-2015, 06:33 PM #5. I would like to do the same thing on my 02 A, but the angle of the end is the 45 degree slash cut, so the end is not perpendicular to the hole in the pipe. The post by Nightrod Elpaso was great on drilling exhaust. com https://trq. I. im doing my exhaust tomorrow. to/2ZzyT3RCore Drill Adapter ($12) - https://amzn. Who makes a kit? 3. 5” x ¼” flat stock 4” on center. Thats the way earlier Merc/Mariners are. With nothing to grab onto to remove it. Continue Shopping. Just wondering what basic modification for my Mercury 200 2. Take your time, work methodically, and ensure each drilling step is done accurately. Draining exhaust risers and (mostly) stripped manifold drain hole. wont make any more power but itll give you some noise when you have your foot in it and be quiet at cruise. The port exhaust hose was Today we are taking a look at a exhaust manifold gasket for any 4. Does drilling holes in the exhaust tip make it louder? You can drill holes in the exhaust tip to create a 03 mercury 25hp 2 stroke Noticed exhaust pipe needs replacing. I have observed that on some non-vented propellers I see circular reliefs in the casting in the hub area where a vent hole could be located, and I make the inference from the presence of these circular reliefs on the the propeller hub casting that one could drill holes Use the same size drill bit as what the rivet is. The manufacturing plant, which "Instead of twisting off manif "Instead of twisting off manifold bolts--followed by removing the cylinder heads to get them drilled out in a machine shop--there's a better way: Drill the heads of the bolts off, then wedge the manifolds off with wooden wedges. I'm shooting for 80 MPH at 7000 with a 26 pitch prop. if the stud broke off at an angle a small end mill might help to Drilling holes in the muffler can enhance sound quality, improve exhaust flow, and create a louder exhaust note, but be aware of potential legal implications and warranty impacts. test and use and work up a 1/16 in size till you start to lose perforamce and pop that set out, go back to drill size that worked and your good to go. com/MatthewMCRepairBuy m Drilling holes in your exhaust will definitely make your car louder. <br /><br />is it as simple as drilling a series of I have a 21 Checkmate Enchanter with a 1989 Mercury 200 hp Blackmax. 4 block to improve performance . Drilling holes in your exhaust will definitely make your car louder. 015" over. This way you can tune the hole shot by choosing how much exhaust to vent. If you want to get a better Gambler 2200 / PRoCraft 180 / Roughneck Jet / Mercury 250XB, 175 / Evinrude 50. My gut says Yes - I say this because my 2. Mercury Cougar and Lincoln Mark owners and enthusiasts. Sounds nice ;)Updated description to hopefully answer some of the questions in the comments:1979 Sidewinder Supe A while back there was mention in a post to drill through the 2 exhaust openings just above the water line. Propellers Exhaust Housing - Mercury * EH-M MERCURY EXHAUST HOUSING - 2. olmo40. 0 AWD - sold 2007 Eddie Bauer 4WD, v6, 137k miles, new 5R55S at 117k miles - sold 2012 F-150 Lariat, 5. Mercury's exclusive Performance Vent System (PVS) lets you adjust your propeller to the way you boat. 9, but what tru the wrench in the mix is that the 9. Menu. I use some stuff called Silkolene to seal flanges on turbos and I think its great stuff for xhaust,Silkolene is made in U. Drilling holes in a muffler is a popular way to enhance engine performance because mufflers limit the exhaust gas flow, ultimately reducing the engine’s power output. While drilling, you should cover any exposed engine parts. Here’s what you’ll need: Drill: It’s essential to have a drill with the appropriate drill bit size for the exhaust removal. mercury outboard. 95. You would have to pull the motor to use that. I tried chipping the carbon from a discarded exhaust elbow to keep as a spare. On the pointy side of the exhaust end, the drill would want to go right throught the outside of the muffler. From I have a Mercury 115. Below is a list of essential tools required for drilling out exhaust bolts: Drill: You’ll need a high-quality drill with variable speed settings to match the hardness of https://www. 6L Ford V8. My 300XS motors were only "loud" at 5000 rpms or more. Step 1. Drill one hole in the t-channel center for the actual lifting ring. One thing I found with the stainless studs - if the extractor slipped - had to red till slightly before the extractor would bite again these are much better than the very long “old style” extractors-those long ones would snap and leave you stuck Hi, thinking if drilling my stock mufflers but need advice -where and how many holes plus size of holes -the muffler is sealed (baffles )so I quess I have to drill from the outlet end ?mean while Iam trying to find a decent pair to replace them -but thought I would try this first -thanks for the always good advice-- Ken Drilling the holes allows exhaust gasses to bleed onto the propeller blades causing controlled ventilation during acceleration. you have to man!!! i did a trial tap in the down pipe. but it gave me the confidence to tap the manifold. You may gain 10hp by drilling exhaust but that translates to only a mph gain of 1 or 2. Weld into place. Warranty & Shipping. Clogged water tube on 30hp Mercury 4 stroke Pull the exhaust cover off the port side of the motor and put water to the water tube out of the water pump and see if water gets to the engine. Jun 17, 2010 #8 Learn how to remove stuck exhaust manifold bolts or studs. Your Cart is Empty. This is Hey Everyone, Today I go over a boat exhaust manifold and show how they work and how the water cools them. Use a vise to clamp the exhaust pipe. I have inserted both a coat hanger and a drill bit up the water tube. Even then it's not that much louder. Fooling around with the exhaust does not change the volume of air going into the motor. and thats where it ran for about a year. $0. First, the size of the holes matters – too small and you won’t see much of an that's just it it is broke I bought is as a basket case in parts but its very ez to put back together I am just trying to find out about the carb because 15HP models have shims under the head, and the exhaust is different also from the 9. there you can see how the exhaust system is built inside. Flat cold chisel 4. This is a how to youtube video, discussing the 3 hole method. to drill a hole in the muffler, i think that you shouldn’t personally because of the risk of fumes ect. video/ic-1AXAA00297This video shows you how to use an exhaust manifold stud Mercury in solid, large, medium, and small vent plugs for PVS (Performance Vent System) boat propellers sold as 5 vent plugs per package. Electric drill with ¼” drill bit 3. be careful with those exhaust cover bolts though because they have a tendency to break especially if your motor Howell Engine Developments Marine Exhaust Manifold adaptor for Oxygen sensors can be installed in almost any cast iron or cast aluminum, water cooled, exhaust manifold. Never going back to drilling :) If you're drilling em often there's a lot of manifold templates that bolt to the head with drill bit guides built in. , can anyone tell me how big and where to drill the holes? Drilling the holes allows exhaust gasses to bleed onto the propeller blades causing controlled ventilation during acceleration. My only concern is that I have never done a modification like this before so I don't know the correct General Boating Discussion - Above Water Exhaust on Mercury V8 Outboards - The new Mercury V8 outboards sound pretty good especially the 300R and 450R. Drilling the mid does nothing but make more noise. Posts: 181 Damn these bolts. You will be working on the muffler portion of the exhaust. Keep in mind that drilling an exhaust system will void an exhaust warranty. By drilling holes, you disrupt the intricate structure of the filter, reducing its surface area and preventing it from effectively trapping and However, drilling it alll out just made my exhaust obnoxiously loud and very negligible power gain. fat fanny Lieutenant Commander. Take a cordless drill and some drill bits. Doesn't seem to be much difference in the sound of the exhaust unless the boat is making a sharp turn or your behind the boat on a wakeboard. The biggest problem I see with it is if you do too much, you can't go back. <br /><br />ive seen pics and heard of drillingor making hole in the bottom of the exhaust leg so that , when on plain, the exhaust exits through the holes and ABOVE the waterline, instead of through the prop. The engine is in great condition. Thru Hull Exhaust. Wades shows you a little-known trick to help loosen up some of those old, seized and corroded exha Mercury calls it the Performance Vent System (PVS). Drill through the baffles laid inside the exhaust with the appropriate drill bit size. , EFI tweaking, etc? The dealer from whom I purchased the bike from indicated that the Night Rod pipe provides 5-hp gain over the factory V-Rod. 00 – $ 2,200. Protective Gear: Safety first! Make sure you All the XS racing outboards have exhaust exits right above the cav plate. So, of course, you can drill some holes to get a louder exhaust note. If it was the motor wouldn't run at all. Drill as straight as you possibly can. 6L $ 100. 5L with an AEM SRI and dual outlet mandrel-bent cat-back Pacesetter exhaust system. Tools Required for Drilling Out Exhaust Bolts. Re: Mercruiser 7. It isn’t a nice one though. A popular mod in the I opened my exhaust, drill with a 1 1/4 ". If no plug is used the hole is about 3/4". Join Date: Nov 2009. Buy Now!New Exhaust Manifold Stud Drill Template Tool from 1AAuto. To give it a muc Through‑Transom Exhaust Back Pressure IMPORTANT: Mercury MerCruiser recommends checking the exhaust back pressure on CHECKING BY DRILLING AND TAPPING EXHAUST MANIFOLDS 1. 9 and the 15HP have the same carb numbers but have different size orifice, and main jet I would like to know what is involved to drill out the exhaust on a 2005 90 h. 0. Step up drill bits until most of the bolt is drilled out. its not a modification. i took my powerhead off to rebuild the motor and some one said if i drill into the can it would sound alot drilling the exhaust in the can SEEBOLD CHAMPBOAT MERCURY S3000. Finally got the sound file to work, thanks. On acceleration, exhaust is drawn out of the vent Technically you don't need to change anything inside the motorthe venting is just inducing a 'controlled by hole size' slip of the prop while in the hole and removal of said 'slip' when going forward because the exhaust How important is it to dump cooling water into the 2 piece adapter plate from the thermostats in the heads? Is it necessary for cooling exhaust or is it just a place to dump water? I dont really want to drill a hole in the lightweight cowl to do this if its not required. Start with a 1/8" bit. Exhaust Systems; Exhaust Silencers; Exhaust Tips; Service Items; Support . I am in the process of upgrading the carbs and heads, and I have always wanted to drill out the exhaust in the midsection of the outboard since I bought it. 5L Mercury V6 ProMax SS (short shaft) is the best running/performing outboard that I've ever ran. 5. Just need some thing to keep the drill at the proper angle. This is because 4 strokes develop torque at much lower RPM, normally enough to plane a boat without venting the prop. I could drill and tap a relief at the bottom of the tuner/can and add an elbow and a stand pipe to free it up back into the midsection but then it’s likely that it will roast the paint on the midsection wherever it dumps. 00 Relieving the exhaust bridge and drilling lubrication holes is a common part of the 2-stroke top end replacement process, but the importance of performing these steps is There isn't really anything to damage by drilling into the exhaust. I will be adding Chris Carson Reeds, rejetted WMV carbs, a 16 amp charging system and a really obnoxiously loud exhaust system. com/Learn How-To Repair and Maintain your own Motorcycle!Support me on Patreon. Ball peen hammer 2. Thread starter parttimr; Start date May 11, 2014; P. Drill 2 slightly oversize holes in each end of the 1. they don't walk as easily as a standard drill. 600 for an exhaust. Exhaust Housing – Yamaha 2. merc. By doing so, you allow some sound waves to escape before they are silenced by the muffler. And I suppose they don't have any noise restrictions where you the same for all of the other Ford/Mercury exhaust manifolds that have the choke stove chamber cast into the manifold. i also agree with a comment above saying to wait until you’re financially responsible and stable enough to get something that you think will Can seem to get drill through some rusted bolts on the exhaust flanges. To drill the holes you can use a store bought drill guide for your 3/8" drill or make your own from a piece of 1" hardwood. 1. Chris. 4L,2. amazon. Cobalt wouldn't hurt if you have them handy, but HSS should work fine. You break a carbide drill using a hand drill in that hole and you will be either looking for a laser guy to get the drill out, or you are buying a new head. This allows the motor to turn higher RPM under acceleration providing more power to plane the boat. 00 Select options This product has multiple variants. 0L V6 that I'm building for myself and a later project. without catalyst? maybe can help to change the original exhaust system. bravo dimensions are standard unless custom exhaust is In this episode gut the exhaust or drill out the baffles with a 44mm hole saw on Gilby the Yamaha XV250, Virago 250, V-star 250 or Route 66. Only 1 of the pipe side nuts did loosen on the day I removed the exhaust, I may drill that one out. View Mercury MerCruiser Sterndrives & Engines . Within minutes I cracked the casting. Just drill into the center and the This pictorial video shows what I had to do, to get the Ford Motorsport Aluminum Cleveland A3 heads to fit in a 60s Ford/Mercury engine compartment. Yeah I've read the post on "how to". patreon. For Drill a hole roughly six (6) inches behind your exhaust or muffler for the spark plug bung. Joined Sep 2, 2013 Once you are ready to remove the exhaust put the headless bolts in 2 of the exhaust manifold bolt holes, then undo any remaining bolts and slide the heavy manifold off. when you take off your exhaust cover and baffle check them for cracks or holes and check the thermostat to make sure its working properly. somewhere, the stuff turns into a ceramic looking stuff when exposed to high (300C+) heat n seals the turbine housing outlet into the xhaust flange great on applications where a band The filter's purpose is to capture and remove harmful particulates from the exhaust gases. well we dont know where you are so kinda hard to say if itll pass inspection there. O L,2. I hear that exhaust relief holes will help prevent loading up and allow you to get out of the whole quicker. The Performance Vent System, designed and patented by Mercury Marine, is a management system for the exhaust gases that exit Mercury & Mariner Outboards . https://www. Besides noise, does it hurt anything? and is there a spot to do it at? 1991 Vaserette YT 200 Mercury 1988 Venus XT 200 Yamaha 1983 Viper II Merc 90 1977 Viper Mini GT tunnel, 25 Merc "African Queen" pontoon 25 Merc Aluma fishin tub, 20 motors to choose from! 2003-11 Ford Lincoln Mercury Exhaust Manifold 2 Piece Set Dorman OE Solutions 1AEEK00645. worked pretty good it was stuck pretty hard and it fought all the way out. Do this in three or four steps. Take the boat out and drill one plug 1/4 Playin around, didnt rev it past 3000 there. Have discussed this with mechanic and probably In conclusion, drilling holes in your exhaust system is a modification that should be approached with caution. Remove wrap cowling and the 4 phillips screws that hold the cowl (that says 50HP) on the midsection. mholder. Mercury Parts, Mercury Outboards, Smartcraft & Accessories, Injector Service, TDR Reeds- BBC Sponsor That practice is common with the group who spend thousands souping up a stock powerhead(s), installing specialty designed lower units, etc, ie having three or more of their high powered engine on the back of a 25' ocean going racer model. my question is can you do this with the lower unit attached? where do the shavings go if so? what size hole do you recommend for this engine? anyone who has done Call today 800-486-0999 for help building your custom exhaust. Sounds cool but is it worth it? 2. Joined Also, my starboard exhaust manifold drain hole is pretty much hooped, the plug basically just sits in the hole and turns when its in all the Drilling mercury exhaust Can anyone advise me on Drilling the exhaust on my 97 Merc 175looking for THAT sound!!!!! 09-09-2009, 03:06 AM #2. Part 1 If you're sure you're gonna use the easyout, before you certerpunch it, use a blunt punch and flatten the broke end of the bolt so the centerpunch won't walk around and you can hit the center of it. 25" Core Drill Bit ($75) - https://amzn. I use to drill the mid sections on all my older mercs and install i have a johnson outboard and drilled two exhaust relief holes in the midesection but it doesnt really sound any different. My Easy trick to removing broken exhaust manifold bolts. While it may be possible to achieve certain sound or performance enhancements with carefully designed systems, DIY drilling of exhaust holes is likely to cause damage or negatively impact the performance of your vehicle. These numbers can vary quite a bit depending on the type of water that it is exposed These are the tools I have found to work when extracting broken studs-Basic Black Oxide drill bits used-http://www. Hi All, One of the three threaded studs that mounts the upper exhaust tube to the exhaust manifold on my 84ish 2F, had to but cut off. If that looks good, take a center punch and make a small mark in the center of your marker spot. ) A few pictures of drilling the exhaust header to 5/8", I found a lot of good posts but none with pictures. They are "built in" so to speak. Yeah I always get the residue crap on the mid from water drying on it but it's nothing In this video I demonstrate the fastest and most efficient way to remove extremely rusty exhaust hardware without heat! Never use a torch again to remove rus 115 hp merc with drilled exhaust The bores were near virgin in 5 holes but one had a little scoring so I'm getting that one bored . You have to twist and When Should You Replace the Marine Exhaust Manifold? Most marine exhaust manifolds are going to be able to last for between three and five years. When drilling out the exhaust on your outboard motor, you’ll need a few essential tools to ensure the process goes smoothly. Irecently purchased a used mid section the exhaust is drill already so that is the only thing that not stock. My question is, if I drill out the baffles as described (the louder the better) with it having a stage I a/c upgrade do I need to do anything else? Thanks for all the help this site has been. How do I drill out the exhaust so it sounds louder while in the water and give the motor more power. Got it out with a #2 size of the very short style extractor. you can get em right a sears. Below are other videos of mine that may be useful:Remo My 06 Glide was just to quiet with the stock muffs so I went to the Home Depot and bought 1 1/4 holesaw and a 12 inch extension, mounted it in a 1/2 inch drill and drilled out the baffle plates in each muffler, their about the size of a quarter or the inside of a 1 1/2 holesaw. This creates an area to keep the drill bit centered. Run a wire from your car battery to the positive terminal of each coil. What holes to fill, what holes to drill etc. Converting a Mercruiser Stern drive from through the prop exhaust to through the transom exhaust. mercruiser 3. 1-800-486-0999; 0. I would recommend Mark at Mark's High Performance Propeller for this. This drilling is the way to go, you just need the right tools to do it. Rivets come in 3 sizes, 1/8, 5/32 and 3/16. That'll leave about 1/2" or so of bolt when you pull the manifolds off. Joined Feb 9, 2006 Messages 1,935. You can look around you local marina to find a boat with thru-hull and measure from the top of the gimbal to the C/L of the exhaust. 3L Cracked Exhaust Manifolds, what else could be broken? I primed the oil motor with a drill and oil pump primer I removed the block and exhaust manifold drains and uh-oh I got water from the starboard block drain and nothing from the rest the mercury drawings come from crank C/L. Drill in the area that is not water‑jacketed. com/gp/product/B003BWNGNM/ref=as_li I have tried a cobalt bit, a titanium bit, I’ve used WD-40 as cutting fluid, and the most it can do is make a tiny dent, I don’t have the best drill, it’s a black and decker but it drilled through the silencer and the old exhaust, so I feel like it I am considering drilling some exhaust holes on the mid section on my 2. Fix a drilled exhaust Black Max 200 to origional Fix a drilled exhaust Black Max 200 to origional If your talking about those two holes just below the cowling thats factory. Secondly, I don't know where you would drill those holes, considering the way the midsections are made. there are also exhausts in the U. I removed the two front bolts and rear silencer nut. I was asked if I could drill the required hole through the w First time trying this trick for removing broken exhaust manifold bolts on a chevy. Drill Bits – Carbide or cobalt drill bits specifically designed for metal drilling are necessary to penetrate the hardened steel of the exhaust studs. This used to work great on the older bikes. I'd use 135* split points for all drilling. Still consider myself a "Marine Apprentice" after 47 years (learn something new every day). start with a 1/8 inch drill and drill each plug in the center. Cutting holes for you exhaust makes another point of entry for water. 650” using a boring tool. Exhaust Flange Stud Removal with Torch and Air Hammer. e. So you may get some noise, but probably no performance increase, possibly loss. With that being said, the new Formula 1 racing engine, the The Performance Vent System uses plugs to control venting the engine’s exhaust gases. Products . . I saw a guy on the river one day who said he had done I have a 20" Mercury 2. Tools Required for Drilling Out the Exhaust. my advice is dont do it until you can do it right. i have been told this is done just above the cav plate. Besides, it would help if you covered it with a cloth to protect its outside appearance. to/38cGmcN-3/8 chuck Electric Drill-Wire Brush-G 1. This is very effective in improving hole shot on 2 stroke outboards. I have a 2. Thanks . I've owned this i just cant leave good enough alone. 0 v8 6R80, supercrew short box - sold Mercury MerCruiser Sterndrives & Engines . I installed it this weekend and took the boat out. Cutting Oil – Using cutting oil while drilling helps to lubricate the drill bit and reduce heat buildup, prolonging the life of Mercury & Mariner Outboards . As the boat accelerates, exhaust gases are drawn out of vent holes behind each blade to aerate the water, which allows engine rpm to rise more rapidly for quicker acceleration. This provides the Re: drilled exhaust holes,,,, In the first place, OMC motors since the 1970's have tuned exhaust. Rushing through the process can cause the drill to slip, damage the bolt threads, or break the bolt inside the manifold, creating a more complicated situation. View Profile View Forum Posts Private Message Member Join Date Jun 2013 Location LONGVIEW TEXAS Posts 15,007 #2 04-11-2018, 07:50 AM. 625-1. best way to start drilling is with a center drill for a lathe. I doubt the exhaust outlet is plugged. Any questions let me know About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright This has been posted in many threads about drilling holes in the exaust. Start drilling with a small drill bit and work up to a 1/4" bit. Drill and tap a 1/8 in. Launch with the solid plugs and time your hole shot. Follow the owner manual or repair manual instructions for locations of the bolts and clamps that hold the exhaust pipe in place. hneb blclpe gksb nzety gqczcz uqa grv qcazqg fbpgh yhge