Re: windsor or cleveland?
Go Dart block or Fords R302 and build a good strong mill from there...
Fitting 4 bolt on 5 Ltr Windsors actually weakens mains webbing..Maybe not quite the same on 351's especially older 351's Depending on power expectations but you want 4 bolt mains so you are looking at serious power I guess..
Don't be afraid to try something new. Remember, amateurs built the Ark...Professionals built the Titanic!
Tuned & maintained by "Peppertree Perfmormance". Dart block, Scat 4340 steel crank, Custom C.P pistons.Oliver rods.. Mal Wood twin plate clutch.. Twin SC61/2's,482 rwkw/ 645 rwhp..
Passengers, myocardial infarction material..