Evolution Performance has been particularly upfront about their horsepower and track numbers, garnering a lot of attention to their work on the 2011 GT. We’ve already had several posts on Evolution Performance’s work on the 2011 GT. First was their low 12-second run with basic bolt-on’s, and then a high 11-second pass, then low 11s, and finally ending on 10.80s last week. They have now upped the ante and broke into the 10.50s, and they say she isn't even done yet.


I called Fred at Evolution Performance to get the low down on their new record from two days ago. He mentioned that some of the upgrades included a lightened interior, slicks instead of radials, and a Eaton TrueTrac differential. The main reason for the new differential was because the stock unit died after their 10.80 passes. The 1.40 60 foots can be mainly accredited to the drop in overall ET, though they did up the jet size to net a 125 shot over the previous 100 shot. They also compression check the motor after each run and so far the 5-liters rings are still holding, despite all the nitrous abuse.

One piece that is surprisingly stock is the clutch. Fred remarked that their were some hot spots and you can smell it a little after a hard nitrous run, but it is still living in comfortably in between the 5-liter and newly equipped 6-speed transmission. Fred feels that with a few more passes that the Evolution team can get the Mustang into the 10.30s. Keep an eye out for the possibility of one more test session this week as they gear up for the NMCA Maple Grove race next weekend. Nothing like seeing a bolt-on showroom fresh Mustang hanging both front tires a foot in the air...

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