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Message: <blockquote data-quote="stangdriven" data-source="post: 935233" data-attributes="member: 11608"><p>ok guys... i got a 100 octane race tune from vmptuning.com ... i have bigger maf housing, cai, throttle body, and more... i also believe my fuel pressure is turned up just a lil bit, cant remember how much but not enough to over do it... ok so everytime i upload this tune into the pcm, i start it it only runs for like 2 seconds then shuts off, its almost as if its not getting enough fuel, but my other pump gas tune works just fine, now justin at vmp said my bigger maf housing is allowing to much air in considering race gas has high air content and i need to install the stock housing, im not doubting him one bit, but curious to see what you guys think or have read or heard from anyone else???</p></blockquote><p></p>