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Posted by: redshift Nov 13 2003, 03:29 PM

Says it all.


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Posted by: ArtechnikA Nov 13 2003, 03:34 PM

should be zero; that's why we set it to something, cold.

Posted by: redshift Nov 13 2003, 03:38 PM

hmm... completely, totally, absolutely closed?




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Posted by: swood Nov 13 2003, 04:07 PM

Yoh!

This is somewhat of a long read, but you probably have the time.

http://shoptalkforums.com/viewtopic.php?t=46026&highlight=valves

Ray discusses how he adjusts his valves HOT.

Personally, I don't want to jamb my mitts in there near that hot metal, but that's just me.

Posted by: Jake Raby Nov 13 2003, 04:19 PM

I do mine the same way, on the dyno, and in my cars. On a 914 its near impossible!

The pushrods I have made run zero lash and have .005-7 when at operating temp.

Posted by: john rogers Nov 13 2003, 04:21 PM

The definitive answer is, Depends on what the cam is ground to have as valve clearances and when they should be set. Things that affect it are push rods (alloy or steel), cam grind, lifter type (type 1 or 4)
cylinder barrel material.