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Originally Posted by ricola
I'm considering my options for pistons, if I stay at a relatively safe tune to 400bhp, stock should be fine.
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'relatively safe tune' with stock parts is the key word here.
There are only a few that can give you that power under those bounderies...you know what I'am saying here I'am sure
Quote:
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The drop in forged tend to have poor clearances.
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Although very true (I would say drop-in & forged does not go in one and the same sentence) I was actually gonna say that for the stock block too: at double the power the stock rings may not have the correct clearence either for this.. maybe that is also the problem at hand with what your seeing now?