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SVT Shelby GT500
KB to VMP the results
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<blockquote data-quote="kw_rc" data-source="post: 15189235" data-attributes="member: 164846"><p>I wanted to share my experience with the masses on how my switch from a KB 2.8LC to a VMP Gen II went. With one disclaimer, all runs were on the same Mustang Dynamometer by the same shop and all tuning has been done by Lund. I’ll fill you in the disclaimer part shortly.</p><p> </p><p>It’s important to note up front that my decision to swap was not because I did not like my KB nor was it because I thought I’d get more power from a [VMP] TVS. It was merely to switch back to a stock hood – no more, no less. My car already had more power than I would ever need. I just wanted to switch up the look and rock the stock hood. So let’s get to the interesting stuff!</p><p> </p><p>I’ll provide you information about the 4 separate tuning sessions and the mods list. This will include the very first dyno when the car was stock.</p><p> </p><p>THE CAR: 2012 GT500 Convertible with PP and 3.73 gears.</p><p> </p><p>All runs were with Exxon 93 octane – no additives.</p><p> </p><p>Here is the timeline of my car and the changes.</p><p> </p><p>=========================</p><p>STOCK SETUP</p><p>MODS: None</p><p> </p><p>HP: 482</p><p>TQ: 437</p><p>BOOST: 9.6</p><p> </p><p>=========================</p><p>KB SETUP</p><p>MODS:</p><p>2.8LC w/3-inch pulley</p><p>75MM TB</p><p>Gimme 5 Intake</p><p>ARH LT’s w/OR H-pipe</p><p>Borla Touring Abs</p><p>ID1000’s</p><p>C&R HE</p><p>Roush 3x Reservoir</p><p>170 Thermostat</p><p>NGK TR6</p><p>Bob’s Catch Can</p><p> </p><p>HP: 667</p><p>TQ: 578</p><p>BOOST: 18.3</p><p></p><p>[ATTACH]60137[/ATTACH]</p><p> </p><p>=========================</p><p>DISCLAIMER TIME:</p><p>I had NSR cams installed by another shop. That is the only change. Of course, Lund re-tuned. They used a DynoJet for these numbers.</p><p> </p><p>HP: 738</p><p>TQ: 622</p><p>BOOST: 17.0</p><p> </p><p>[ATTACH]60138[/ATTACH]</p><p></p><p>=========================</p><p>VMP SETUP</p><p>MODS:</p><p>Same as KB except:</p><p>Gen II w/2.4</p><p>VMP 67mm TB</p><p>JLT 123 CAI</p><p>L&M NSR Cams</p><p> </p><p>HP: 693</p><p>TQ: 609</p><p>BOOST: 18.0</p><p></p><p>[ATTACH]60139[/ATTACH]</p><p> </p><p>=========================</p><p> </p><p>RESULTS COMPARISON:</p><p> </p><table style='width: 100%'><tr><td><strong>Value/Setup</strong></td><td><strong>Stock</strong></td><td><strong>KB 2.8LC</strong></td><td><strong>NSR’s DynoJet</strong></td><td><strong>NSR’s*Adjusted</strong></td><td><strong>VMP Gen II</strong></td></tr><tr><td><strong>HP</strong></td><td>482</td><td>667</td><td>738</td><td>717</td><td>693</td></tr><tr><td><strong>TQ</strong></td><td>437</td><td>578</td><td>622</td><td>???</td><td>609</td></tr><tr><td><strong>BOOST</strong></td><td>9.6</td><td>18.3</td><td>17</td><td>17</td><td>18.0</td></tr></table><p></p><p>*Adjusted numbers… Due to the cams being installed, I was never able to get a pull on the Mustang Dyno so I don’t know what actual numbers were. However, L&M advertises 50hp gain. If I use that as the benchmark, then my car would have theoretically made 717rwhp (667 + 50) on the Mustang Dyno.</p><p> </p><p>SUMMARY:</p><p>Based on this data, it appears that the Gen II did not produce as much power as the KB. I would surmise that the Gen II does edge the KB in the torque department by a few lb/ft. Also, please note the KB was only pushing 17lbs while the Gen II was pushing 18lbs of boost.</p><p> </p><p>I’m not at all disappointed as the car is still “crazy” fast. I had no predisposition about what to expect. These are MY real-world results. It shows both are potent options to make power. My KB setup was flawless. I hope the Gen II will be as gratifying.</p><p></p><p>***Dyno sheets uploaded.</p></blockquote><p></p>
[QUOTE="kw_rc, post: 15189235, member: 164846"] I wanted to share my experience with the masses on how my switch from a KB 2.8LC to a VMP Gen II went. With one disclaimer, all runs were on the same Mustang Dynamometer by the same shop and all tuning has been done by Lund. I’ll fill you in the disclaimer part shortly. It’s important to note up front that my decision to swap was not because I did not like my KB nor was it because I thought I’d get more power from a [VMP] TVS. It was merely to switch back to a stock hood – no more, no less. My car already had more power than I would ever need. I just wanted to switch up the look and rock the stock hood. So let’s get to the interesting stuff! I’ll provide you information about the 4 separate tuning sessions and the mods list. This will include the very first dyno when the car was stock. THE CAR: 2012 GT500 Convertible with PP and 3.73 gears. All runs were with Exxon 93 octane – no additives. Here is the timeline of my car and the changes. ========================= STOCK SETUP MODS: None HP: 482 TQ: 437 BOOST: 9.6 ========================= KB SETUP MODS: 2.8LC w/3-inch pulley 75MM TB Gimme 5 Intake ARH LT’s w/OR H-pipe Borla Touring Abs ID1000’s C&R HE Roush 3x Reservoir 170 Thermostat NGK TR6 Bob’s Catch Can HP: 667 TQ: 578 BOOST: 18.3 [ATTACH]60137.vB[/ATTACH] ========================= DISCLAIMER TIME: I had NSR cams installed by another shop. That is the only change. Of course, Lund re-tuned. They used a DynoJet for these numbers. HP: 738 TQ: 622 BOOST: 17.0 [ATTACH]60138.vB[/ATTACH] ========================= VMP SETUP MODS: Same as KB except: Gen II w/2.4 VMP 67mm TB JLT 123 CAI L&M NSR Cams HP: 693 TQ: 609 BOOST: 18.0 [ATTACH]60139.vB[/ATTACH] ========================= RESULTS COMPARISON: [TABLE] [TR] [TD][B]Value/Setup[/B][/TD] [TD][B]Stock[/B][/TD] [TD][B]KB 2.8LC[/B][/TD] [TD][B]NSR’s DynoJet[/B][/TD] [TD][B]NSR’s*Adjusted[/B][/TD] [TD][B]VMP Gen II[/B][/TD] [/TR] [TR] [TD][B]HP[/B][/TD] [TD]482[/TD] [TD]667[/TD] [TD]738[/TD] [TD]717[/TD] [TD]693[/TD] [/TR] [TR] [TD][B]TQ[/B][/TD] [TD]437[/TD] [TD]578[/TD] [TD]622[/TD] [TD]???[/TD] [TD]609[/TD] [/TR] [TR] [TD][B]BOOST[/B][/TD] [TD]9.6[/TD] [TD]18.3[/TD] [TD]17[/TD] [TD]17[/TD] [TD]18.0[/TD] [/TR] [/TABLE] *Adjusted numbers… Due to the cams being installed, I was never able to get a pull on the Mustang Dyno so I don’t know what actual numbers were. However, L&M advertises 50hp gain. If I use that as the benchmark, then my car would have theoretically made 717rwhp (667 + 50) on the Mustang Dyno. SUMMARY: Based on this data, it appears that the Gen II did not produce as much power as the KB. I would surmise that the Gen II does edge the KB in the torque department by a few lb/ft. Also, please note the KB was only pushing 17lbs while the Gen II was pushing 18lbs of boost. I’m not at all disappointed as the car is still “crazy” fast. I had no predisposition about what to expect. These are MY real-world results. It shows both are potent options to make power. My KB setup was flawless. I hope the Gen II will be as gratifying. ***Dyno sheets uploaded. [/QUOTE]
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