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SVT Shelby GT500
VMP Gen 3
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<blockquote data-quote="blckRadda" data-source="post: 16003289" data-attributes="member: 129873"><p>The Gen3 in all sense in purpose is the race version of the Gen2R, it being the larger blower basically takes over where the Gen2R starts to fall off which is always in the upper rpm range when being spun to the moon. It will while hold the targeted boost (that one pulleyed for) all the way to redline, whereas the Gen2R would have started to see boost drop.</p><p></p><p>On pump 93 with the same twin 67mm throttle body, the Gen2R and the Gen3 were even blowers The biggest advantage was the larger 2.65 blower was being spun slower with a larger upper pulley (Gen3's 3" pulley to the Gen2R's 2.4" (which meant less heat, I doubt it would have been much though because if you are spinning the 2.3 to only 18psi you are in the perfect spot for it) and still made the same amount of hp and (most importantly) torque. When VMP switched throttle bodies and added the 160mm to the 2.65L that is when it started to make more power but it was also now over 18 psi with that larger throttle body. I feel if they would have also tested the Gen2R with that 160mm throttle body numbers would have relatively remained the same but both would have been over 18 psi.</p><p></p><p> I look at it this way, if you aren’t chasing the lowest E.T, planning on spinning the Gen2R to the moon (over 23psi) and running either race gas or E85, the Gen2R is the perfect blower for most and even then it can still compete (it is just going to make a lot more heat than the larger blowers while doing it) and it does cost $1000 less.</p></blockquote><p></p>
[QUOTE="blckRadda, post: 16003289, member: 129873"] The Gen3 in all sense in purpose is the race version of the Gen2R, it being the larger blower basically takes over where the Gen2R starts to fall off which is always in the upper rpm range when being spun to the moon. It will while hold the targeted boost (that one pulleyed for) all the way to redline, whereas the Gen2R would have started to see boost drop. On pump 93 with the same twin 67mm throttle body, the Gen2R and the Gen3 were even blowers The biggest advantage was the larger 2.65 blower was being spun slower with a larger upper pulley (Gen3's 3" pulley to the Gen2R's 2.4" (which meant less heat, I doubt it would have been much though because if you are spinning the 2.3 to only 18psi you are in the perfect spot for it) and still made the same amount of hp and (most importantly) torque. When VMP switched throttle bodies and added the 160mm to the 2.65L that is when it started to make more power but it was also now over 18 psi with that larger throttle body. I feel if they would have also tested the Gen2R with that 160mm throttle body numbers would have relatively remained the same but both would have been over 18 psi. I look at it this way, if you aren’t chasing the lowest E.T, planning on spinning the Gen2R to the moon (over 23psi) and running either race gas or E85, the Gen2R is the perfect blower for most and even then it can still compete (it is just going to make a lot more heat than the larger blowers while doing it) and it does cost $1000 less. [/QUOTE]
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