Yup, that's what I was told for my go fast engine. No, it's not installed yet, still trying to get the Jag out of the shop to make room.. Lester On Mar 3, 2010, at 1:11 PM, Ron Soave wrote: > 1500 will be on the verge of scuffing the cam. Run 2500 - 3000 for > at least 20 > minutes.