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Car Forum / Chrysler Cars / March 2008

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88 Ram 250 318 Roller Lifters?

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doug@neurotone.com - 24 Feb 2008 17:33 GMT
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!
doug@neurotone.com - 26 Feb 2008 01:15 GMT
On Feb 24, 9:33 am, d...@neurotone.com 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?
Steve - 02 Mar 2008 18:59 GMT
> On Feb 24, 9:33 am, d...@neurotone.com wrote:
>> Hi all, just confirming that my 88 Ram 250's TBI 318 has roller
[quoted text clipped - 3 lines]
>
> 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.
doug@neurotone.com - 03 Mar 2008 02:17 GMT
> d...@neurotone.com wrote:
> > On Feb 24, 9:33 am, d...@neurotone.com wrote:
[quoted text clipped - 10 lines]
> overblown- its only a real problem with huge muscle-car cams that
> require concentric valve springs with astronomical spring pressures.

Thank you...
 
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