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Old 03-22-2017, 02:11 PM   #55
Paul Precht
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Join Date: Dec 2001
Location: Elysburg, Pa
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Default Re: 1971 Buick 455 GS F/SA G/SA Build

Quote:
Originally Posted by Daran Summerton View Post
Looks great to me! I play with Olds and tried the trick valve seat angles and now back to 45. I think with aggressive dwell square cams it leads to uncontrollable high gear problems, I even tried 250 on the seat. Also going back to cast iron guides, have learned bronze has different expansion rates and will tighten down. Good luck!
Are they the thin wall guides you were using.
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