My 302 stroker, Vortech @ 15psi, using GT500 pumps with dual BAP, 80# injectors made 630rwhp on E85. So that combination in theory is good for 650rwhp+. However, the 93 octane fuel will your limiting factor @ 550rwhp due to heat and/or detonation.
07 GT vert, Satin Silver, 5spd, premium trim, interior upgrade pkg, comfort group, GT appearance package, cloth top
ADDED: 302 Stroker, KB 2.8 Mammoth @ 20psi, DOB belt drive, E85 fed, TR6060, ATI, Cervini hood, Meziere, Pypes Long Tubes, O/R X pipe, FRPP GTA mufflers, 20" Bullitts, Eibach Springs, BMR relo brackets/UCA/LCA`s, FRPP 4.10, etc, etc.
Last edited by SilverGTvert; 09-15-2012 at 04:38 PM.
Reason: add info