No more than 28 staying with overbore pistons and with stock crank. Thats without any modifications to the block. That is where we think we are going to be on our stock 3000#- 3500# puller. Any other opinions?
 
(quoted from post at 16:48:48 03/16/08) I'm working on making a VAC block engine with 170 cid. Should be close to 50 hp.

Jim- Keep us posted ..... sounds VERY interesting! :twisted:
 
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