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Yeah the weak point on them is the roller and the roller bearings, not the hydraulic part. I recently decided to replace my Dyna lifters because engine had 85,000 miles on it. Old lifters looked like new so basically i fixed something that wasn't broke.
I disagree, preventive maintenance is never a bad thing, Anything man made is going to fail. You got 85k out of them, I would have replaced them also.
in your original post- you said they werent giving you any problem in the first place.... how can you fix something that wasnt broke?
lf you remember in my first post , I said I was opening it up to replace the nylon cam tensioner shoes . And I also said that the seats inside of the lifters had gunk built up on them . Well it was in all of them . So where do you think all the very small pieces of the nylon are going to as they wear off the tensioner shoes ! That just happens to be with in inches of lifters .
With the above said, I would Recommend that when you do the cam tensioner shoes , spring loaded or hydraulic to disassemble and clean your lifters . I was very surprise to fine that **** in there building up like a Clogged artery going to your heart .
If it was me and I already had them out I'd replace them and be done with it!
I had an '00 T/C88 with 77,000+ on the odometer and still had the OEM lifters but one did tend to click once or twice on a cold start but it didn't have any negative on the way the engine performed.
On my '13 CVO Ultra, I did have the lifters replaced as PM after reading about so many lifter failures and I just didn't want to risk ruining an engine in order to get the very last mile out of the lifters.
For the Delrin tensioners to get into the lifter, they need to get out of the cam chest. There for, they must float up and go thru the main crank journal and get into the crank case since the pick up for the oil pump return is there . Then they must go thru the tool steel hard return side of the gyrotor oilpump into the oil bag.
Then manage to get out of the oil bag and take another ride thru the pressure side of the gyrotor oil pump, then thru the cam bearing plate passage way and thru the oil filter and then back to the plate to be divided up in the engine. Then the filtered oil goes up thru lifter, up push rod into rocker box.
Except for the link chain cams, the delrin shoes usually last life of motor. My opinion however is to replace them in hot climates ever 10 years if you venture far from home
Most shoe pieces I have seen are in cam chest at the bottom. Have seen them in the oil bag however I thing on here on Baggers. Never seen inside of a Softail bag or one carefully washed out.
Last edited by Jackie Paper; Feb 12, 2020 at 05:50 PM.
Here’s some pictures from the small Stainless oil bag that catches the larger debris . The fines in the lifters were the same color. So cleaning the lifers when
doing the chain tensioners is just good maintenance that can’t hurt . Remember this is only done once every 35,000 miles .
Last edited by Iron lHorse; Feb 19, 2020 at 11:41 AM.
Iron..add a signature line on your year, model and letters of your bike. Now you got me wóndering just how stopped up the screen is in my cam plate for my balance shaft oiler and tensioner. I checked mine years ago at 25K. Had intended to replace them next time just due to age. Now I have 50 K on them. Retired and am never around till summer and then I ride it..ha. Managed to get a whole 168 miles on it.
What SS oil bag are you referring to?
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