I guess you could say I have both I have the Indy Maxx aluminum block,it is a RB with the deck height cut down to 9.965 B block. The crank,dist. and everything else is the 440 RB stuff. I have been told a 4.25 crank is the biggest you can put in a low deck (B)block. After reading this post I am not so sure about mine,the block should take a 4.50 crank same as any other RB. But what I am not so sure about is finding Rods & Pistons to match.
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I have the Indy Maxx aluminum block,it is a RB with the deck height cut down to 9.965 B block. The crank,dist. and everything else is the 440 RB stuff.
