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VMP 2.59 2011 GT500 SVTPP Dyno Results


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I was finally able to get my baseline dyno and install of the VMP 2.59 pulley and tune by Justin. To give you a little background on my car, when the stock dyno pull was made all I had on the car was a resonator delete and an Airraid Filter. I had the dyno and install done and RPMM here in San Diego. Gregg and the guys at RPMM were great. They use a Dyno Dynamics for their tuning and do not have a Dynojet. From what I was told by Gregg the 2010/2011 GT500's stock normally put down between 420 and 440 rwhp and read lower than a dynojet. Much to my surprise and his my car put down 481rwhp and 480rwtq! On a dynojet that should easily be above 500. After the pulley and tune the car made 541.8rwhp and 544rwtq!

 

I am extremely happy with these numbers. On a Dynojet I should be around 30rwhp higher. The gains were pretty much as advertised for a 91 Octane tuned car. I picked up 61rwhp and 64rwtq. The car feels great! Traction wasnt so good at first until I got the tires warmed up a bit but with some throttle modulation you can get the car to hook in second. Below are the stock and pully Dyno and Air Fuel Ratio numbers.

 

A big thanks to Justin Starky at VMP for the parts and awesome tune and to Gregg at RPMM for the install and dyno!

 

Here is the Link to the Dyno Vid.

 

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Have you noticed much additional heat given the improved cooling on the 2011?

 

 

I have not done any hot lapping with the car since I got it. Just some spirited driving here and there. I haven't felt any fall off in power though after a spirited drive.

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