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Cobra Forums
2013-14 Shelby GT500
upper pulley with my 10% lower??
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<blockquote data-quote="13GT500SG" data-source="post: 12735246" data-attributes="member: 140442"><p>I have the scj monoblade tb, jlt 123, 10% lower, offroad x, and magnaflow comp muffler deletes. Along with some suspension mods, drs, and 373s.</p><p></p><p>Call me crazy but I need more power! My goal is to trap 140 with this car. Does anyone have the 10 lower with a smaller upper? Would this be ok on pump gas? My car makes around 16.5 lbs boost now im guessing with a smaller upper itd make an extra 2lbs? Total boost being between 18.5 and 19psi boost? Does this sound right? Also which upper would you guys go with. Will belt slip come into play?</p><p></p><p>I appreciate your help guys!</p></blockquote><p></p>
[QUOTE="13GT500SG, post: 12735246, member: 140442"] I have the scj monoblade tb, jlt 123, 10% lower, offroad x, and magnaflow comp muffler deletes. Along with some suspension mods, drs, and 373s. Call me crazy but I need more power! My goal is to trap 140 with this car. Does anyone have the 10 lower with a smaller upper? Would this be ok on pump gas? My car makes around 16.5 lbs boost now im guessing with a smaller upper itd make an extra 2lbs? Total boost being between 18.5 and 19psi boost? Does this sound right? Also which upper would you guys go with. Will belt slip come into play? I appreciate your help guys! [/QUOTE]
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2013-14 Shelby GT500
upper pulley with my 10% lower??
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