RB blocks a must for 4.5 stroke engine, and good length rods..I have seen no real evidence that a B block is strong than a RB.. Just claims..I have seen them both fail. And seen/heard of plenty of low deck motors splitting the cylinders too. And cap walk is no better between the two

[color:"red"]65 Hemi Belvedere coming soon [/color]
[color:"#00FF00"]557" Indy engine 1.07 60ft 144mph in the 8th 2100 lbs package [/color]