Quote:
Originally Posted by chuckies76ta
HI Jay: I'm wondering if this is the same lifter your referring to, not lasting as long as limited travel lifters?
I put a set of the Johnson Short travel lifters ST21120RP in a 400 stroked years ago and sold it. Guy is still running them with probably close to 80K miles with never an issue. Just curious. They do need a very precise last setting though. Thank you.
https://johnsonlifters.com/Products/...ters/ST2112OPR
I always seem to get confused with the Johnson Lifters and the Hylift Johnson Lifters. |
Hi Charles, yep those are definetly short travels Johnson’s. I need to do some research and see what the difference is between the 20 and the 60. . With yours having worked good to 80k miles though, I’d say they deserve a second look. I know of a couple guys that are running Johnson ST’s and are working well. I can easily be out of the flow of information when it comes to short travel on these engines because I have not been using them. Hylift Johnson’s engineering stance has been short travel are up to 70% shorter life from their testing. The general consensus over all is short travels are not expected to last as long. Morel ST’s have been hit and miss on longevity. Maybe Johnson has the ST ‘s figured out.
80K miles is a good run. What is the rest of the cam?
I know of other evolutions noise has been mixed on some other platforms running heavier springs. One of the guys on here had the axles slide out off a pair of Johnson’s last year. There is good reason for confusion with HR lifters.