I have a 3800 in my Fiero. I ported the inlet and outlet of the M90 supercharger, N* t/body and LQ4 maf, 3.1 pulley. 60/65's with a good pump. It has some cam in it...prior owner can't remember which. Set it to 20* of timing, had very little to no knock. With plain street tires, ran a 1.7 60ft...