
05-03-2009, 05:09 PM
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CC Member
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Join Date: Jul 2008
Location: Des Moines,
IA
Cobra Make, Engine: SPF #373,Shelby FE Alum Block #077, 488 stroker, Tunnel Port, Dual-TMP DP Holleys
Posts: 91
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Not Ranked
FE valve lash hot vs cold
I have a alum Shelby block and Dove TP heads. I am running a Comp Cam solid roller and they specifiy .020 for lash and I am sure that is a hot spec, cam card does not say.
I always set my lash cold. Primarily because I am slow and the engine is cold by the time I get set up.
Question. Several guys here are running alum FE's with solid roller cam-probably even some with Comp Cam's Magnum roller, 308R.
What would the cold lash setting be if hot is .020. Expansion rates are differant for each block/head setup.
Comp cams will give me a big block Chebby best guess but I would like to see what the alum FE guys say.
-Ray
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