Re: 1971 Buick 455 GS F/SA G/SA Build
Sorry for delay, Mark. As Mike Taylor, Adger Smith, and others have said total and/or average flow is more important than peak lift flow increase at the expense of lower lift flow. I did not see anything exorbitant in your low lift exhaust numbers. Frankly, there is probably more potential low lift available. There are, of course, ways around the reversion issue if that is what concerns you, but I don't think you will need it. In short, yes, IMO, it will help you. Ron.
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