yes gsmopar u should be able to run some high 9s no problem my car weighed 3910 it ran 9.60 at 141.76 whith no spray and a single prosystems dominator on a ray barton intake on 93 octane sheetz pumpgas and et streets caltracs full exhaust !!!! im at 12:1 comp now it was 11.7 to one, dont, be afraid to put compression in it even for pumpgas !!! after all its a hemi !!