Originally Posted by KurtP
lol. the 4g63 and 4b11 will end up taking more boost on pump than a suby motor will on e85. comparing e85 to e85, we have about another 20psi to go on the stock block before its equal. MIVEC 4g63 is the king.
I think the FA20 so far has done really well. Remember that the FA20 has compression ratio of 12.5 vs 4g63 (8.8) and 4b11 (9.0) so pump gas vs pump gas is not a fair game.