Quote:
Originally Posted by Blacdout96
When I finish my 3.8, how should i break that in, it has roller cam in it, and a cat, so i can't run a zinc add. in it.
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New cam or completely fresh build?
The cool thing about rollers is you don't have to do any of the flat tappet BS like the half hour run-in or ZZDP in your oil.