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  #1 (permalink)  
Old 12-28-2018, 04:23 PM
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Evo cam swap

Been awhile since I've posted anything.Aquiring a 69 El Camino,then building a bigblock,well,time flys.All the while bikes running great.

Heavily considering a cam swap in the evo,which is a late/head breather softail motor.On the fifth set of tires,odometer went out 9 years ago at 22,000,I feel it's time to address the inner cam bearing and lifters.Thinking while I'm in there,might as well give it some cam increase w/o going crazy.EV27 seems to be a popular choice as far as a bolt in not requiring other supporting components as springs and/or machine work.I'm guessing this motor has at least 50,000 on it.At this mileage,would replacing the blocks be "good medicine"?....and any lifter/cam suggestions are invited...regards.
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  #2 (permalink)  
Old 12-30-2018, 01:31 PM
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Id definetly replace the lifters. The lifter blocks should be fine. Just look for signs of wear. Do a through cleaning and inspection of the tappet screen and timesaver adjustable pushrods will help save some time and gasket $. TYpically you will need a .050-.065 chahim to set up the end play on the cam and I always replace the cam bearing while im in there on anything with that kind of mileage on it.

EV27 is a good choice but if you ride hard you might like he EV46 better. It too is a bolt in cam and its my cam of choice on a lighter bike that wants a broad power band. The 27 pulls very similar but seems to flatten out at 4500 where the 46 keeps on pulling to redline
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Old 01-14-2019, 05:54 PM
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Slow leak vs. standard lifter.Whats the difference?
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Old 01-14-2019, 06:12 PM
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Stick with stock lifters. The restricted ones are noisy and the stock ones are more reliable for bolt in cams

John
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Old 01-17-2019, 12:02 PM
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Quote:
Originally Posted by pushrod243 View Post
Stick with stock lifters. The restricted ones are noisy and the stock ones are more reliable for bolt in cams

John
OMG,what a difference in price between S&S and CCI,Twin Power,Johnson HY lifts......whats up with that?
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Old 01-17-2019, 12:22 PM
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I know its crazy right? I use and sell the standard S&S lifters they are about $100 a set and in my opinion as good as the $400+ Jims lifters. I have been doing this for a long time and on an EVO its a fact ALL LIFTERS FAIL.

The factory service manual recommends changing them on a stock engine at 30K miles. Granted a higher lift cam & or high valve spring pressure is going to increase the stress on the lifters. Jims increased the size of the roller and the bearings and in theory it should be a much stronger lifter but honestly they all fail at the same time or in most cases the Jims stuff is used on higher output engines see the fail sooner. Ultima recommends replacing then every 15k on their engines and they use a standard lifter. Although I do have the Jims in my Hotrod FXR I really through the years have went back to just using the standard lifters and replacing them sooner. Most guys take a couple years or more to put on 30K miles so why buy $400 lifters just replace the standard ones at 20-25K and you can go 100k for $400 right?

As a shop owner it was hard to look a guy in the face and tell him his $400 lifter I upsold him failed at 15k and he now needs a new cam and oil pump.....so thats my reasoning....I just recommend a shorter life cycle and keep an eye on the tappet screen and an ear on the cam cover every once and a while.
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  #7 (permalink)  
Old 01-18-2019, 02:55 PM
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Yeah,I feel I've been pushing my luck for a couple of years as being on the fifth set of tires (no smoking the tire) but runs so well/very dependable for the last 12 years since I built the bike.I'm sure the lifters are due.I was moreso concerned about the inner cam bearing.I heard they used a plastic cage to save 17 cents or something to that tune.
BTW,I did a cam swap (S&S 509) at 30,000 on my '06 RoadKing a few years ago,beings the tensioner shoes needed changing,and I'm one of those "while I'm in there" kind of guys.Before I started it,it had new oil pump,Cyco shoes,lifters,and cam bearings.Matter of fact,got the cam from you PR..
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Last edited by Am4wag; 01-18-2019 at 02:56 PM.. Reason: spelling
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