Re: 1971 Buick 455 GS F/SA G/SA Build
My preliminary dyno results are in, peak HP so far is 513 HP/550TQ. I will be making some changes looking for more, I will post up the results when I get done. More work and more HP 522 now.
Last edited by HP HUNTER; 05-16-2017 at 09:36 AM.
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