Clevite Bearings

[matchstick]

Originally Posted by Marv D

It depends on the application. I've been using the HP's in my Nova motor, but it's a dedicated track only machine not ANY street time. And make SURE you have to have the right radius on the journal for bearing you choose. No guessing.

machstick,, have you seen similar problems with a drag motor where the high rpm's are only sustained for 9 or 10 seconds? Just curious. A dirt track motor definately is the ultimate for rotating assembly abuse. I shift my 434 sbc at 7400 (13.5:1 n/a) and have not seen any hint of a problem with the bearings.... 'yet' . Been running the King bearings for 2 seasons now and will definately keep a eye on them.

I think that you've been very lucky. I have a friend who has raced for 30 years, and he hates them. I used them a long time ago in a motor that didn't make much hp, and they were fine. I also used the H series Clevites for a couple years and they were great. Then all of a sudden 2 different engines I done showed signs of the bearings flaking apart. Now the ACL's are doing great. Joe Mondello has a tech school here in my town, and they use the ACL's with great results as well.