Posted by clueless [186.15.46.23] on Monday, December 29, 2014 at 11:58:01 :
keep the flathead and hop it up
if you want to retrofit go with whatever tickles your fancy
personally i am going to keep the 236( turn it into a turbocharged 283 on propane in one truck
but will put the 5.2 diesel in another unless something better comes along between now an then