Quote:
Originally Posted by smoked240
With swaping on the rb20 head you should get more Compression and a little more power.
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how would you get more compression with a head ? compression relies on how close the pistons come to the top of the head.
RB20 compression ratio is 8.5:1
RB25 compression ratio is 9:1
so with him using the 25 block his compression will stay the same