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Message: <blockquote data-quote="ryclef331" data-source="post: 453850" data-attributes="member: 8067"><p>10-12 psi on stock hyper pathetic pistons...without a tune...or a self tuned PMS...you're asking for trouble honestly. Those pistons are going to leave ZERO room for error...especially in a boosted application. Buy the pistons, pay for the machine work, and get it tuned by a reputable shop. If you are going for absolute low budget bang for your buck, I could see you getting by with maybe 9lbs...at the most. Again though, the tune is going to be absolutely critical. Not saying it hasn't BEEN done on 10-12lbs BUT I wouldn't get my hopes up on it lasting long.</p></blockquote><p></p>