Eagleeye8541 Posted May 7, 2017 Report Share Posted May 7, 2017 2009 gt500 im at 632ft above sea level have 2.5 pulley cai offroad xpipe only make 9psi of boost why? Quote Link to comment Share on other sites More sharing options...
shel-b001 Posted May 7, 2017 Report Share Posted May 7, 2017 2009 gt500 im at 632ft above sea level have 2.5 pulley cai offroad xpipe only make 9psi of boost why? I take it you also have tune & is that at full rpm? Quote Link to comment Share on other sites More sharing options...
Eagleeye8541 Posted May 7, 2017 Author Report Share Posted May 7, 2017 Yes max out with tune i bought the car the way it is Quote Link to comment Share on other sites More sharing options...
Vegas Rich Posted May 7, 2017 Report Share Posted May 7, 2017 Yes max out with tune i bought the car the way it is Do you have the handheld, and who is the tuner? Quote Link to comment Share on other sites More sharing options...
Eagleeye8541 Posted May 7, 2017 Author Report Share Posted May 7, 2017 Dont have a handheld just going by what was told to me by the dealer i bought it from as far as being tuned Quote Link to comment Share on other sites More sharing options...
Vegas Rich Posted May 7, 2017 Report Share Posted May 7, 2017 Dont have a handheld just going by what was told to me by the dealer i bought it from as far as being tunedThe handheld Dont have a handheld just going by what was told to me by the dealer i bought it from as far as being tuned The handheld should have come with thhttp://www.vmpperformance.com/07-12-Shelby-GT500-Custom-SCT-X4-JLT-123MM-Plasti-p/gt500jlt123pak.htme vehicle as it is married to it...see if you can get it, or get 1 from VMP...I got this setup from them + the 67mm throttlebody and I get 14psi on my 07... http://www.vmpperformance.com/07-12-Shelby-GT500-Custom-SCT-X4-JLT-123MM-Plasti-p/gt500jlt123pak.htm Quote Link to comment Share on other sites More sharing options...
Eagleeye8541 Posted May 7, 2017 Author Report Share Posted May 7, 2017 Thanks you are a big help Quote Link to comment Share on other sites More sharing options...
Vegas Rich Posted May 7, 2017 Report Share Posted May 7, 2017 Thanks you are a big help No prob...the dealer might have tuned it back to stock before selling...get the tuner from VMP with the custom tune and you should be gtg Quote Link to comment Share on other sites More sharing options...
gordyk Posted June 11, 2017 Report Share Posted June 11, 2017 Do not run it hard in the mean time as that could be detrimental to your engine as it will be getting the wrong fuel mixture. Quote Link to comment Share on other sites More sharing options...
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