i only tossed sleved out there because i know on other makes of engines if you bore it out too far the cylinder walls become too thin and you need to sleve it to strenghten it back up.. i dono where the water jackets are in the 7m but it was just a thought..
well if you take it too far out you will end up sleeving it.. which inturn is stronger.. but u know once you move any thing over stock the actual reliablity and dependablity of milage kinda goes down.. lets say u do boar it over and change the connecting rods.. hg and pistons.. your probably...
you would think with a turbo car it would push more fuel because its needed.. but once u start upping boost wouldnt you want to increase the fuel pump flow so it can keep up with increasing amounts required to feed the engine.. just my opinion .. but if your going to upgrade soon to bigger...
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