well took the car to the track its a 383 with cc306 2.00-1.56 valve heads with mild porting with all bolt 0ns, headers 58mm tb cutout,3.73 3500 stall, stock suspenion, went 12.47 at 108.67 with a 1.79 60ft, car was falling off at the big end with fuel pressure droping to about 30psi, so all and all not to bad for the fuel pressure droping, thats why i think my mph so low.