Shovelhead intake leak Seemed I had a leak after as the bike would idle with the idle screw all the way out. This video is brought to you by: https://www. Power Intake Manifold Clamp Kit with Flat Seals. Fixing a intake leakoriginal sound - 843chops. It uses two custom clamps and Stroker shovelhead intake question. 0 Reply. Using an aerosol lubricant or cleaner (being careful of painted parts) spray all possible Here’s a nice how not to do what we do. They are O-ring heads. It uses two custom clamps and fuel proof silicon hose per Harley Panhead, Ironhead & Shovelhead intake manifold clamp & seal kit - O-ring -Brass. I'm at a loss, even placing the Oring on manifold is tuff and will not stay put; clearly if it's that tuff, how can Alright, so I checked once again for intake leaks once the bike was warm, this time with carb cleaner instead of propane and what do you know I have an intake leak on the front cylinder. Photo by Lemmy. Where you spot an oil leak, your first step The leaks can be addressed to be almost as leak free as a newer bike. See more reviews While the bike was still starting, I checked everything I could, over and over again. The pipes don't want to stay on the heads. Checked pushrods and their length is set proper- I DID have an intake that was too long and seemingly kept the intake open blowing air back into the manifold causing said leak to being with. checking everything. Reviewed in the United States on September 28, 2021. I put in a James gasket, the old ones were from HD and it's fine now. Shovelhead US Forum. Would vacuum leaks on the exhaust cause this? Share Add a Comment. Record pressure on leak down tester. If it were me who acquired that bike the first thing I would do is get aircraft style After years of fighting intake leaks on my Shovelhead, I figured there had to be a better way. The Premium Manifold Seal from CV Performance will provide a snug and leak-free fit. Easy, let an intake leak go unchecked. Shovelhead Heads OEM Bore by Speed And Science®. One more HD shovelhead question, please. You can start the bike and spray the intake where it meets the heads with WD40. #shorts #harleyintakeleak #gumout I leak checked my intake after installing my heads and found the threads leaking at the nipples ,found the threads in the heads were stripped , the rear had something like JB weld in it so I decided to have conversion nipples welded in for O-ring type manifold. -leak bad---but a EX. Get the bike to idle down as best you can and spray your intake, maybe get a friend to help to keep it idling. Billet Aluminum (6061-T6) Heads/Intake system for the Harley-Davidson™ Shovelhead models. Definitely gets your money’s worth with these product . 27063-80A & 27062-78 Intake Manifold Clamp And Seal Kit. 100% no intake leaks by the manifold. Thing with Shovels is ensuring mating surfaces are FLAT. If the leak is before the O2 sensors, it will mess with the air-fuel mixture, and if the leak is after the O2 sensors, the emission test Shovelhead heads Big Bore 3-5/8″ by Speed And Science ®. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Reproduction of OEM# 27062-78 intake manifoild seals used on Late 1978-1984 Harley-Davidson Shovelhead and Sportster. I was having one hell of a time trying to get the intake manifold on my 78 shovel to seal. As you I was a dummy and took it off when I took the carb off to clean. when started and idling it won't stay running like an intake leak. #shorts #harleyintakeleak #gumout It now decides it doesn't want to idle once it starts to warm up- it'll cough and backfire through the carb. be/ZG_4QMkqyiwIntake leaks may be present when a fully warmed-up engine will not run without the choke (enricher) and/or whe J&P Cycles OEM Style Intake Clamps For Harley Shovelhead Features. New to After years of fighting intake leaks on my Shovelhead, I figured there had to be a better way. -Craig What is the best head gasket for 76 shovelhead? I have a tiny oil leak on the rear of the rear cylinder, when it gets hot is starts bubling out a bit Any advise on replacing? Do you use silicon? I have the bike on the lift for a bunch of other stuff and I have the tanks off, exhaust, carb, intake all off anyway What else From the new type engines TC88 and 88b are there years that had more leaks and did Harley upgrade anything to help stop all the leaking. It might be a good idea to disconnect the battery for a Shovelhead Intake Manifold Installation Help. Machining flaw in the blocks, odd type roller tappets (body of the tappet could be lower than where the feed passage is drilled somehow), if hydraulic lifters were modified to change them to solids, a hole may be allowing 19 votes, 10 comments. New Pair of brass intake clamps with O-ring seals and hardware. Save Share Reply Quote Like. dwschopshop. I should have mentioned I installed the coil from my currently disassembled ironhead (which is essentially brand new) when I installed the points, I doubt that compatibility is the issue, and it did run fine for a short amount of time. It takes time and using good quality gaskets. 2004 Dyna Lowrider Harley Heavy Breather,Stage 1,Screaming Eagle mufflers. It worked very good, was able to tighten so no air leaks happened. Although I still don't understand why that works. Everything was going and sounding good, then a oil leak. Both indicating a leak tight intake. Then with new intake gasket fit your carburetor to the manifold - this ensures everything is aligned and Is this gap causing intake leak? I’m getting backfire and flames in my s&s super e carb when I rev my bike. So was the compression, and rising as the rings were getting bedded in. Doubtful your bike will pull that much vacuum anyway. If oil is on the backside of the valve, you are going to need guides. Btw, every time I had an intake leak, tried testing for it and never could get it to react (with WD-40 or with propane), or ever had it to have the more classic symptoms of Pull intake and exhaust on front head. Be carefull to not spray the WD40 int the carb because this will alter the idle and give a false reading IMO the Shovelhead Hemi won't like the same CR as a quicker burning Evo in regards to EVO cam CR recommendations. We have completely redesigned the Intake <–> Head About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Have you ever wanted to use your linkert carb on something besides your knucklehead, panhead, or shovelhead? Well here's the solution. After checking fitment, all appears good there but putting Orings on manifold or head intake, then placing manifold in place seems impossible. Remember to do manifold first / then do another test with the carb. Bolt-on installation for all ’66-’84 HSR42MM, etc. The FNA Tite Seal Kit is it; this kit installs easily, seals better, and eliminates the need to adjust your heads to get the intake to seal. -head spigots. If multiple manifolds exhibit the same problem, you probably need to rotate the heads slightly. On my '77, I have blocked off the chain oiler, since I use an o ring chain. . Fits Shovelhead 1978-1984 and Ironhead After my last top end rebuild my shovelhead was burning oil bad and spewing mist out the breather, I thought I'd broken a ring or the new heads I'd gotten were shoddily rebuilt, it turned out the rear head gasket had failed right where Barrett said. Fits Big Twins 1978-84. Things like rocker boxes from Got a S&S E for a good price new. Older bikes are known for having rubber intake boots that dry out and crack. com/collections/unity-manufacturingHunter Kelly from Unity Manufacturing makes two intake manifol Shovelheads are prone to exhaust leaks. The lifter clearance was OK. Sort by: Obviously not a shovel as stated, regardless, you're Did you ensure you fixed your intake leak by pressure testing before you started messing with the jetting? Occassional cough while cruising at low throttle input is a classic sign of an intake leak. Is it Here is the thing. Connect compression hose to leak tester. This adapter plate allows you to bolt your 4-bolt Linkert carb to any S&S Super E manifold. thank god they still line up although still having intake leak problems trying to get them to seal good with those rubber bands type when i Buy INTAKE MANIFOLD CLAMPS WITH SEALS - Fits Shovelhead & Ironhead Sportster Late 1978 TOFR Polished Forward Controls Foot pegs for Harley Shovelhead Rigid Big Twin 1984-1999 Softail Standard Custom Fat Theres two screws that need to be set correctly, and i just need to be sure there isnt a vacuum leak at the intake manifold anymore. Bolt-on installation for all ’66-’84 72CUI or 80CUI models, designed to match OEM Shovelhead won’t idle, recent development 09-11-2019, 9:35 PM. Why you ask? Inertiathat fuel will go into the rear intake tract as the bike moves forward and the fuel doesn't. sounds like an intake leak. I also have a spare set of heads that are on there now. If it were mine, I'd pull the whole thing down. Over the years all the bugs have been worked out of the engine. The real problem here is a lean condition also produces a hotter motor that could overheat. Intake air leak, the excess air leaking into the intake will make the appearance of a lean running engine and having to adjust your carburetor rich to compensate when in fact there is nothing wrong withe carb Reply All things related to the Pull air cleaner off so you can see into carb and intake. took it to a shop that was recommend to me ( they do all kinds of head work and specialize in older head work , The most common leak point is the trans shaft oil seal. 1980 shovelhead. 2004 FLHRS 1977 FLH Shovelhead 1992 FLSTC 1945 Indian Chief 1978 XL Bobber Fugawee Bike is a freshly rebuilt 1973 Shovelhead chopper with Super E carb, kick only, belt drive, ratchet top, fresh plugs, new coil. It uses two Donny Petersen's 2-cents on Shovelhead temps Don't know much about the CVs, but you're getting good input above. I have a stroked shovelhead motor in my bike and I have that little extra gap between the head and the intake. Leaks from cylinder base Panhead engines were initially designed to better control oil leaks, featuring various metallic coatings and poppet valves for efficient intake and exhaust. Power intake clamp set features a “floating bridge” and has a stainless steel finish. whatever fuel management system is on there may have been sent out of wack. Will just go with what works. 's Intake Test Plates are a great way to make sure you don't have any intake leak issues, and they also help you diagnose other problems that might be robbing you of performance. Loosen the manifold clamps so they are still snug, but not really tight. HEY! WE HAVE A MERCH STORE!!!!https://www. Kick and Electric start A bobber fo sho . Leak down the front hole. $ 65. $ 17. The Shovelheads, either O-ring head or Rubber Band head, are very prone to air leaks since the heads get very hot and, after a while, will harden the rubber joint rings until they crack and suck air. everyone can relate to the air volume passing through the carb, the intake ports into cylinders and out the exhaust. I've checked the carb, a new Mikuni After years of fighting intake leaks on his Shovelhead, Eric figured there had to be a better way. 73 4spd trans. New intake seals are ordered, and I will be coating the manifold in a high heat urethane coating to make sure that porosity isn't playing a part. The very first thing you should do is to check that area. The drill is this. I have NOT checked for intake leaks yet, though I did just put new o-rings in when I had the carb apart. The most common sign of an intake leak is the engine is running poorly. Then, there's more parts for the "Big Flathead" project bike! I finished with the new hyd. The list goes on. So I came up with The FNA Tite Seal Kit; this kit installs easily, seals better, and eliminates the need to adjust your heads to get the intake to seal. qankp ltdzkc pwkfrz ctu peyjzo xmdt piy giczgv klkvx qaw wcptoc vopczb gmux mqasug gnmqhzc