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SVT Shelby GT500
L&M throttle body results
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<blockquote data-quote="sprint200" data-source="post: 9893445" data-attributes="member: 48265"><p>As an experiment, I borrowed an L&M TB for the Mid-America Meet last month to see what difference it would make, SOTP-wise, on a car with my set-up. I have a 2007 GT500 with a ported OE blower and elbow, 2.65" upper pulley, C&L CAI, VMP 91 oct tune, Lethal O/R x-pipe, & a 3.73 TruTrac.</p><p></p><p>I installed the TB and the car would run okay at WOT, but as soon as it went to idle speed or I tried low speed (parking lot) maneuvers it would go into limp mode. The 2007 tunes had very tight parameters for the TB positioning and the difference in the amount of air flow vs. rpm vs. fuel input was all screwed up. Had to call Lund and cut/paste that section of the tune into mine just to get the car to run properly. I was still never happy about how slowly it returned to idle speeds after lifting off the peddle.</p><p></p><p>So the "No Tune Needed" sh*t is just that.....SH*T!</p><p></p><p>That being said, I saw 3 psi more boost than with the stock TB! So I am not nearly as skeptical about the OP's claims. As others have said, it just depends on how restricted the system is to begin with.:beer:</p></blockquote><p></p>
[QUOTE="sprint200, post: 9893445, member: 48265"] As an experiment, I borrowed an L&M TB for the Mid-America Meet last month to see what difference it would make, SOTP-wise, on a car with my set-up. I have a 2007 GT500 with a ported OE blower and elbow, 2.65" upper pulley, C&L CAI, VMP 91 oct tune, Lethal O/R x-pipe, & a 3.73 TruTrac. I installed the TB and the car would run okay at WOT, but as soon as it went to idle speed or I tried low speed (parking lot) maneuvers it would go into limp mode. The 2007 tunes had very tight parameters for the TB positioning and the difference in the amount of air flow vs. rpm vs. fuel input was all screwed up. Had to call Lund and cut/paste that section of the tune into mine just to get the car to run properly. I was still never happy about how slowly it returned to idle speeds after lifting off the peddle. So the "No Tune Needed" sh*t is just that.....SH*T! That being said, I saw 3 psi more boost than with the stock TB! So I am not nearly as skeptical about the OP's claims. As others have said, it just depends on how restricted the system is to begin with.:beer: [/QUOTE]
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L&M throttle body results
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