What kind of Cam does a Harley Davidson evo use?
EV-27 is surely the most popular cam for otherwise stock Evos. Anything with more duration/later intake closing will kill bottom end torque on a stocker. I myself went for the EV-13.
What are the best mods for a 1340 Evo motor?
Hi, I have just picked up a NEW 1340 Evo HD factory motor for my ’98 softail. I plan on getting an aftermarket S&S air kit and decent pipes. I am looking for simple, bang for the buck performance mods to give me good useable power. What is the best cam and the best carb for this motor? Thanks.
What kind of Cams does Bob Wood use?
These special KNIGHT PROWLER STREET Cams feature Short Duration, High-Lift specs that are a trade mark of Bob Wood. cams at this time. Our philosophy is basically the same that we used to achive two NHRA national records.
What kind of HP does an evolution camshaft have?
Grind in? open close open close Intake Exhaust lap Int. Exh. LSA Int. Exh. Int. Exh. Low High CID HP
How did I rebuild my 1997 Evo Top End?
Everything went well with the strip down, took the heads to the engine shop to get them to fit the new guide seals. For the rebuild I bought a complete cometic gasket kit and replaced all gaskets and seals from the cylinder base up. Rebuild went well, head torqued to cometic guidence and everything else torqued according to the service manual.
EV-27 is surely the most popular cam for otherwise stock Evos. Anything with more duration/later intake closing will kill bottom end torque on a stocker. I myself went for the EV-13.
These special KNIGHT PROWLER STREET Cams feature Short Duration, High-Lift specs that are a trade mark of Bob Wood. cams at this time. Our philosophy is basically the same that we used to achive two NHRA national records.
What kind of Shim do you need for Andrews Cam?
Check your lifter rollers carefully. Mine were fine, but be sure they roll smooth and are not sloppy. If you use an Andrews cam, you will need a .050-.055 (usually) cam shim to get the cam end play correct (.010-.015).
What to watch out for in an EVO engine?
EVO engine. What to watch out for? Discussion in ‘ Engine, Fuel and Exhaust ‘ started by JBC2565, Jan 14, 2011 . 32K with an S&S upgrade cam and rev-tech 6 sp.
Where is the tappet screen on a Harley Davidson Evo?
Go to engine and oil pump and you will find the tappet screen and where it is. It will also show you how it goes back together. It is lockated near your oil pump on the rear of the right case. When ever you pull the spark plugs get a small light to shine in the hole. You will see cross hatching on the cylinder wall. The rings never seat.
Check your lifter rollers carefully. Mine were fine, but be sure they roll smooth and are not sloppy. If you use an Andrews cam, you will need a .050-.055 (usually) cam shim to get the cam end play correct (.010-.015).
Can you use adjustable pushrods on a Harley?
In addition, you’ll receive sixteen video downloads, access to GOLD member LIVE events, and so much more! Learn how to remove the Harley cam cover and cam lifters. We remove the lifter blocks and Harley lifters in this procedure to give you a better view. We cut the pushrods and will use adjustable pushrods during reassembly.
How does hydraulic lifter work on Harley twin?
HD’s are delivered from the factory with what’s known as self-adjusting hydraulic lifters. This means the pushrod length does not have to be all that precise. Within a certain range, the lifter (aka tappet) will automatically adjust it’s length longer if the pushrod is too short, or shorter if the pushrod is too long.
What kind of lifter do I need for my Harley Davidson?
HAMMER PERFORMANCE offers all three types of lifters available for Harley Davidson engines. Since the self-adjusting hydraulic lifter is by far the most common, we’ll cover it first. The most common method for getting the pushrod length right after any of the aforementioned changes is to use adjustable pushrods.
Can a Harley Davidson lifter be changed without CAM?
I’ve read thru many threads and have searched “lifters” & Evo lifters. Some good info in there but all I kept reading was when one should change them, which way to have oil holes facing upon installation, if one could change lifters only without cam, etc etc.
How to adjust lifters on Harley Davidson pushrods?
IF you count from First Touch snuggly, the lifter will ONLY go so far…. Some adjust lifters ALL the way Down,,,, FINDING TOTAL Bottom…. Then open the lifter by 1 full turn off the true bottom of the lifter….
How long does it take to extend a pushrod on a Harley Davidson?
Next, (depending on the manufacturers instructions) you may be instructed to extend the pushrod another 2 1/2 to, maybe, 3 full turns. Now, you will have to wait for the lifter to bleed down. This will usually take at least 10 minutes per lifter when you are using lifters that have been in service.
When to change lifters on a Harley Davidson Evo?
I’ve read that it’s a good idea to change lifters around 30k. Especially on older Evo’s. I have no idea if they were ever done. I could be running Pre “B” type HD lifters (makes me cringe just thinking about it). I have never even seen a HD lifter.