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Old 04-17-2017, 09:59 AM   #62
R. Thorne
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Join Date: May 2009
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Default Re: 1971 Buick 455 GS F/SA G/SA Build

I almost didn't answer this because there's not enough info to make a valid response ( again, where are the .100 flow figure improvements on intake & exhaust). Also, i don't know what was done to improve the intake or exhaust flow. You are definitely going to have a (seemingly) wilder cam with low lift flow increase. You will have more reversion, true, but, in my opinion, you are going to see a substantial performance increase. Ron.
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