Fastest I've gone in my old rcmp interceptor . 79 bel air. BFI blue,dog dishes,3.08 posi, 350 4 bolt,2.02 heads,400 crank so 383,tunnel ram ,3500 high stall, manual valve body turbo 400, 12.9 1/4 , 140 ish top speed. Licence plate....L82-9C1 ......LOL .