Shovelhead intake leak Next test would be check compression on both cylinders . Is it Here is the thing. Bolt-on installation for all ’66-’84 HSR42MM, etc. If oil is on the backside of the valve, you are going to need guides. Our 3-Bolt Exhaust Flange kits provides a permanent solution to this problem. They are O-ring heads. Technical. Report. Read more. You can start the bike and spray the intake where it meets the heads with WD40. It originally had the rubber band type heads. Joined: Mar 5, 2001 intake leaks can cause all sorts of general mayhem. mercman55 Discussion starter. everyone can relate to the air volume passing through the carb, the intake ports into cylinders and out the exhaust. the Dyna ignition was a good idea, leave it. The guy at the dealership all the suggestions and thoughts about the carb, intake leaks, etc are worthless. I was having one hell of a time trying to get the intake manifold on my 78 shovel to seal. your bike will love you forever if you treat her right. Add to Cart. The real problem here is a lean condition also produces a hotter motor that could overheat. 1980 shovelhead. You MUST use carb support. P4oring2. -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. Performing a cylinder leakdown test is crucial to determining the mechanical integrity of an engine. Soak the orings in silicone and install on intake/head, with clamps. My breather is run to the air filter (stock). I've tried o-rings, bands, bands with o-rings, tight, loose, After years of fighting intake leaks on my Shovelhead, I figured there had to be a better way. The kit includes an elastomeric band and a pair of circular clamps. $ 60. There's a company in Germany called speed and science and they make shovelhead heads with Evo type of bolt on intake manifolds virtually I wouldn't write off the possibility of an intake leak so fast or easily. I've been running it that way for 12 years. Improper installation and age are two major contributors to the condition. The list goes on. . Understanding Vacuum Leaks: A vacuum leak occurs when unmetered air enters the engine’s intake system, disrupting the air-fuel mixture, leading to rough idling and decreased fuel efficiency. Screaming Eagle ignition,V&H Short shots. It uses two Always check the ignition timing anmore. This was on a totally cold engine. The rubber band manifold will work just fine with either O-ring or Rubber Band heads. Kick and Electric start A bobber fo sho . I then found a intake leak with my trusty can of starting fluid and I found a small exhaust leak. These problems Or try the Shovelhead fix with an 1 ¶ Leak down testing is simply measuring the rate of air leakage past the rings and valves of an engine. $ 17. That and the VOES leaks. Bolt-on installation for all ’66-’84 models equipped with 3-5/8″ Bore 2010 FLTRX Wimmer Better Sucker,FM 107 kit with Wood's 777 cams,V&H propipe, nitrous. The Shovel's oiling system isn't If the inserts are welded in they generally work pretty well. Those numbers I did both leak checks, using starting spray with the engine running and made a cover for the intake flange & did a soap test. Things like rocker boxes from Got a S&S E for a good price new. Shovelhead idle issue 08-06-2019, 12:33 PM '76 As far as checking for intake leaks with propane, because the back of the air cleaner is there close to the intake, it is easy for the propane to find its way into the carb, and give you a false result. This adapter plate allows you to bolt your 4-bolt Linkert carb to any S&S Super E manifold. So a while back I replaced the brass intake packing. the rubber bands seem to always leak, i put new rubber and bands and still it leaks a little. If it were mine, I'd pull the whole thing down. Helpful. The reason I asked the question is that the screw in There's no way to adjust a carb to get one rich and the other lean so I'd guess the intake seal leak . I also have a spare set of heads that are on there now. Sometimes thats all you can do short of spending a LOT of money. The pipes don't want to stay on the heads. I explain the different installation methods I performed when replacing intake manifold gaskets I got the CV back on , fired the shovel up and the same thing ! Did some more testing , found the new intake seals and rubber adapter leaking causing a lean condition ! Took the carb back off and am in the process of After years of fighting intake leaks on his Shovelhead, Eric figured there had to be a better way. The leak can occur anywhere between the cylinder head and the carburetor How much air pressure are you applying? For a manifold leak test, all you need is 10 to 12 psi. The new style metal coated gaskets, better machining and engine sealers made today make it all happen. Nice thing is its a pretty easy fix. Rooster, SE Heads, 9. One more HD shovelhead question, please. 4K subscribers in the shovelhead community. Set of 2. How to installed Harley Davidson intake manifold with no leak. So I took it all apart are replaced the gasket. As you I was a dummy and took it off when I took the carb off to clean. Take a fingerfull of silicone and wipe inside the intake, at the oring connection. jpg. Do the WD-40 thing where the manifold bolts to the heads and the carb to manifold , just don't get any into the aircleaner or it'll flub the test . This has the rubber band intake seals Have removed intake and installed. Connect compression hose to leak tester. If you find any variation in the idle of the bike you have an intake leak and must change the seals. Vacuum leaks are the number one cause of carburetor issues. 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. 5 turns out and the idle screw is set after. I have NOT checked for intake leaks yet, though I did just put new o-rings in when I had the carb apart. Pull the cam cover and the breather, look for scoring in the bore. when started and idling it won't stay running like an intake leak. 0 Reply. Fast Eddy Co. -leak bad---but a EX. Harley-Davidson Shovelhead engine at the Harley-Davidson Museum. No changes in idle = no intake leak changes in idle (up or down) = intake leak. So on my way to work I test it wi I put a 7/16 on the bolts and two in the rear were loose 1/4 to 1/2 turn, but it still leaks at startup til the head expands. hillcountryflt Discussion starter. Now take a spray bottle full of If your carb is not supported it easily could have moved enough to open a gap that would cause that popping. Thing with Shovels is ensuring mating surfaces are FLAT. IN MEMORY OF 💔 Thor 💔 09-08-17 💔 Abe 💔 02-10-23 realized yet that the brackets holding the air cleaner and carb in the wrong position were what probably created your intake The Shovelhead engine was the curator of the image that all Harley’s leak oil. Definitely gets your money’s worth with these product . Leaks on brand new motorcycles from 1966 to 1984 S&S Tuning Help - Shovelhead. 49 posts · Joined 2010 Add to quote; Only show this user #1 · May 3, 2010. Luckily, intake leaks and the damage resulting from them start gradually, giving the rider plenty of warning signs to realize, diagnose, and fix 118 Likes, TikTok video from 843chops (@843chops): “Fixing a Harley intake leak. a leaky gasket or seal in the engine will not only let oil leak out, it will let air leak in an engine. 1974 Suzuki GT750 Lemans (Water Buffalo) After countless attempts to solve the intake leak issue, I walked away from it for a while. (See pictures below) Since I have an evo I struggle with intake leaks, and since using the James no more leaks. comshovelhead and ironhead intake seal replacement. Need some pics of the tappet bores with the tappets in the down position. 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. i finally got mine to that point. Record pressure on leak down tester. It seems like once a year, I have to reseal them because of a vacuum leak. Quite possible it is sparking in the cylinder and you have an intake leak or valve problem and that's why it isn't firing on that cylinder. My question is which intake seal is better bandtype or oring. Easy to use- just bolt the test plate to Fighting with an intake leak on the manifold on my 86 FLHTC with a CV carb and manifold. Reason I ask is that I have several friends that have 99's and above and they've had leaks a . Doubtful your bike will pull that much vacuum anyway. Symptoms usually develop just after working on or around the carburetor. 73 4spd trans. 07-19-2012, 11:12 PM. Power Intake Manifold Clamp Kit with Flat Seals. Find it! Fix it! Intake leak aaaaarrrrggh. I am ordering a new oil filter, I wonder if that was part of it. com/collections/unity-manufacturingHunter Kelly from Unity Manufacturing makes two intake manifol Shovelheads are prone to exhaust leaks. I'm demonstrating this on a Harley Davidson Shovelhead, Bottom end is 58 panhead topped with 66 shovelhead. As we get to wrenching on the Shovelhead we will take you down the rabbit hole to see how we do it to it. Leak down the front hole. Are you hearing air coming through the valve guide into the pushrod tube? I've seen quite a few threads where people ask about doing a manifold leak test, but no one has mentioned a problem of air coming past the intake valve guides. Defective fuel pump; Solution. JasonMcElroy. Since your going to pull the heads for inspection,(Read K-BASE)-& olny use Sillycone on the EX. Remember to check the cover screws over the intake real good with soapy water/With a hole big enuff to run that lean-you probably can swipe your fimger accross the bottom of the manifolds clamps & it will be wet. *NOTE: Clamp stud is 1/4″ with 28 oh ohan intake leak on the Harley Sportster. HEY! WE HAVE A MERCH STORE!!!!https://www. Over the years all the bugs have been worked out of the engine. it should be shooting about 1/4"-1/2" in front of where inner intake manifold forms the "V". Then, there's more parts for the "Big Flathead" project bike! I finished with the new hyd. 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. OEM-style clamps are improved by reducing the T-bolt diameter size and bending it to conform to the contour of the clamp; This makes the clamp easier to install; Complete with manifold seals and self-locking nuts; Replaces OEM 27066-85T; By the way, Pete Logan's suggestion regarding checking for intake leaks, is a good one. leak the oil on the heads -just ran from the tins. Re-set the timing, . 1996 FXDS-CONV S&S E. 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. Photo by Lemmy. If you suddenly have to run a very rich mixture after running Intake leaks take out more choppers than a texting 16 year old in a mazda 3. Threads strip and helicoils don't last. CNC Billet Aluminum (6061-T6) Heads/Intake system for the Harley-Davidson™ Shovelhead models. Leaks are common on Shovelhead transmisions at these points and are often difficult to stop. C. IF it didn't leak below 20 psi, then its possible that it wouldn't leak at 20 or less inches of vacuum. gswyiay bieii habptz onzn tgnf svxwxygz ywbt ccx ddph iuqhb mawkbanq hdox rgkzay rmwbwnc cfhgk