Al Williamson 1954 Chevy Pick Up To date this lovely truck has been running into the tens powered by a 502Cu” Chevy BB with NOS. Next season, the beast will be powered by a brand new 540ci Scott Shafiroff motor rumoured to be dynode NA at 682 BHP @ 6000rpm. If all goes to plan it will finally run at 1050 BHP with a pro-charger (approximate figure from pro-charger) Best ET/Speed 10.8 with the now sold 502ci BBC