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View Full Version : Ryan's 08 GT M5 with whipple SC 3.125" pulley


Justin@VMP
January 25th, 2010, 10:43 AM
Ryan has a new whipple intercooled 2.3L kit with the old cone filter style intake (the good one) and a 3.125" pulley.

After having tuned a couple 05+ GTs with this much boost on a stock compression ratio motor and pump gas, I do not care for it, too much timing has to be retarded due to the extremely high boost level on pump gas.

http://vmptuning.com/dynographs/ryan3.1wscLT.jpg