On Mar 2, 10:59 am, Steve <n...@[EMAIL PROTECTED]
> wrote:
> d...@[EMAIL PROTECTED]
wrote:
> > On Feb 24, 9:33 am, d...@[EMAIL PROTECTED]
wrote:
> >> Hi all, just confirming that my 88 Ram 250's TBI 318 has roller
> >> lifters as there's less zinc etc in motor oil these days?
>
> >> Thanks!
>
> > Nobody?
>
> The 318 went roller sometime around 85, your 88 should have a roller
> cam. But even if it doesn't, modern oils are just fine for such a mild
> low-lift cam with soft valvesprings. The zinc scare is somewhat
> overblown- its only a real problem with huge muscle-car cams that
> require concentric valve springs with astronomical spring pressures.
Thank you...
|
