Jan 24, 2011
This is how you get 420 hp out of a '49 Merc.
The David Busby built engine for the Busby/ Munz Bonneville Roadster... It looks a little different than when it was the original 95 horsepower to begin with.
#modified merc#speedweek#ardun#flat head#david busby#jim stepan#400 horsepower#amazing engine modification#engine modification#super power engine#super engine#jim busby#race car#radical race car#radical motorsports#restoration#fine car restoration#collector#real car collector#bonneville#salt flats#the boys of bonneville#salt#save the salt#salt racer#world record#speed#ferrari car#ferrari#don prudhomme