05-07-2006, 12:59 AM
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CC Member
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Join Date: Mar 2003
Location: Arkadelphia, AR,
AR
Cobra Make, Engine: Kirkham 427 brushed aluminum with Keith Craft 527C.I. all aluminum FE
Posts: 992
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Not Ranked
When setting the valves on eny engine I like to use the same process. I set the intake valves when the exhaust valve on that cylinder starts to open. I set the exhaust when the intake on that cylinder starts to close. This will always make sure that you are on the base circle of the camshaft. I have found that on most aluminum head cast iron blocks that you need to subtract .003 to .004 when setting the valves cold. On aluminum heads and blocks I have found that you need to set the valves about .010 to .012 tight. This will vary a little with the head thickness, valve length and block height. On cast iron heads and blocks I will set the valves about .002 loose. These specs have always worked well for me. good luck, Keith Craft
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Keith C
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