What brand octane booster you using?
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The Best V8 Stories One Small Block at Time
ran 20psi on the dyno with 20 deg timing on this mix at 800.6 rwhp...Now on the stret or track I am going to limit to abou 17-18 psi on this mix due to the extra load.
72 'cuda
408 small block mopar
twin 61mm
And my figures came from a member of corvetteforum who had the stuff lab tested before he started using it on his blown c5



