report on lifter problem

Stevie N

New member
I believe they are the same lifters small block Chevys use. While Evos had problems with the rollers, the Twin Cams have been upgraded to better rollers on the lifters. A lot of us think the stock lifters in the Twin Cam are better than the aftermarket products, and I run them on fairly radical cams. A bud put JIMS in his hot rod twin cam and they were noisy right off, he replaced them with his old lifterrs and they are quiet with 56,000 miles.
 
Thats a common misconception, they are not the same as chevy lifters, plus chevy lifters have been known to last 175k miles in a car, and obviously, you stock lifters are NOT ANY BETTER then jims if they are failing, Listen, are they going to be noisy, of course, you have a air cooled engine with, imo a radical angle of valve train, Im not saying that you wont get vt noise, but you should not have lifters FAILING, period, and its not ok to make excuses for them, if it were my buck, id want that shit warrantied with a quality product so it doenst happen again.
 
I'm curious, did you get your hands on the "failed" lifters? What failed? Were they not pumping up, or were the rollers loose? Early Evo lifters with the small axle had a life expectancy of around 35000 or so although I've seen 'em go much longer. The angle of the front exhaust lifter on Evo's was part of the problem, supposedly solved by the twin cam motor. The change to better angles in the twin cam motor & big axle lifters should increase lifter life. I'd want to see any that failed if it were in my motor.....
 
I didn't say my lifters failed. My bud's lifters didn't fail either. He listens to a wrench who has funny ideas, and bit on the JIMS lifters. He said they were noisy from the get go, and reinstalled his stock ones with 56,000 miles. I don't know anybody who had Twin cam lifter fail. Small block Chevy lifters sure look and measure the same. The internals could be different I don't know as my lifters have never failed, and I ride two modified Twin Cams with stock lifters, not the Screamin' Eagle which are known to be problematic. Glad to learn I have an air cooled engine and it's noisy. Thanks.
 
lifters in my 01 had over 50K on them when i went to gear drive. used Mobil 1 15W50 since first oil change at 500 miles and cams and lifters had no evidence of wear.
 
your lifters didnt fail, but appearantly there was just reason for the dealership to replace the author of the threads lifters, correct? and im on another forum where they have lifter problems in twikies, odd? aint it?



Not a problem, I didnt know if they were still handing out that poser hand book with all new twin cam purchases.
 
Just saying the circles I run in include a lot of guys with late model Harleys, some of the best wrenches in the area and some respected drag racers. Never been called poser before, that's funny. I have been rather well known in this part of the country for over thirty years and my experience is that the stock lifters are not a problem. Are there isolated incidents, of course if it's mechanical it will eventually fail. I don't know about other forums or what people do to cause problems. I just don't think it's fair to bad rap Harley on the twin cam lifters, if you were talking early Evo then I'd agree. I'm just talking from my experience and that of some pretty knowledgable guys.
 
If you continue to recommend the B lifter I suggest you do some more research.Here is a start-check out page 1 for picshttp://harleytechtalk.org/htt/index.php/topic,28042.20.html
 
Well you get your information from some guy posting on the net. I'll get mine from experience and the real world. It's pretty common knowledge that the Harley B lifter is hard to beat. Run whatever you want! I have 5 years and over 50,000 miles on Harley lifters on a Mackie 590 lift cam. I have buds who wrench daily and build Twin Cams on a regular basis. Most of them use the Harly B lifter, and don't like the S.E.

You do know that this is an old post?
 
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