i have a 1987 fiero gt with a 2000 gtp series II motor i have pro magnum 1.9 aluminum roller rockers 105 springs 7.05 rods zzp stage 1 throttle body 3.4 pulley ngk plugs west coast fiero headers 2 1/2 inch exhaust no cat spyntech muffler zzp bushing shift kit 3" custom intake autometer sport comp a/f meter max hp 218.18 and max torque 252.24 i think these mods should produce higher numbers any help greatly appreciated