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Old 01-20-2018, 11:30 AM   #177
40cpe
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Join Date: May 2010
Location: Star, MS
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Default Re: Rebuilt Flathead Problems.

Quote:
Originally Posted by GordonC View Post

Also guys I have asked this a couple times now but nobody has answered me on this yet. Do I need to worry about the different length valves? These are chevy 1.5" valves and they were anywhere from .035 under 4.9" to 4.910" length. If I can compensate for the variance using the adjustable lifter and the reground cam I can just forget about this if I can get an answer.
I think you are going to have to install at least one valve assembly in your engine. Check the installed height of the spring and then your pressure at the installed height. We don't know what spring you have, and the rotators add another variable. If the valves were adjusted in the initial installation, you are probably OK with the Chevy valves.
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