View Single Post
Old 01-29-2020, 12:35 PM   #23
MySons68C20
Senior Member
 
MySons68C20's Avatar
 
Join Date: Sep 2014
Location: Wenatchee, Wa
Posts: 897
Re: L31 Crate Engine

Quote:
Originally Posted by cadillac_al View Post
Flat tappet cams are fine with stock Z28 valve springs. It's the high performance guys that seem to run into problems. I put a used flat tappet cam in my truck 5 years ago.
This ^^^^^^
With proper break in oil and procedures I've never had one fail.
MySons68C20 is offline   Reply With Quote