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Valve Lash Revelations (really long) 140-160

uid 32173's pic
posted by  Gary L on  Mon Feb 20 03:10 CST 2006
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last visit: Wed Oct 22 10:26 CST 2014
[RELATED]

Yes... this particular cam is a Volvo piece. I'm not sure if it was a replacement camshaft or simply one from an engine with low mileage.

I have one brand new in-the-box aftermarket replacement D cam, I may chuck it up in a block and take some base circle runouts, just for the heck of it.

And while I have your ear... I'm thinking about moving up a class, and one of the things that would be allowed is a change in valve lift from stock to .450" (measured at the valve, zero lash).

Any thoughts on this? I can change camshaft or rockers or both. I cannot do any additional head work beyond what is allowed in my current class, i.e. no porting or polishing allowed, stock valve springs required.

I realize there are probably better cams out there, but for starters, what about the D cam with 1.6 rockers (assuming such pieces exist)? A worthwhile endeavor, or would I never know the difference?

Gary L
--
1971 142E ITB racer, 1973 1800ES, 2002 S60 T5






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