how much did your motor make this is the frist we used this dyno but a stuska # are lower then superflow # from what i have seen stuska is what we dynoed it on the last time we dynoed this motor it was a 386 with w5 not ported by shady and less com it made 638 and we also have alot better pan on the motor now the real # are how fast it gose so we will see here is the old sheet