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Freetime · 10-03-2013, 11:39 AM

Or skip all the calculations and put a cellphone with a GPS speedometer in your car and test it. I'm stock and I tested mine the first day I got it. 80mph on the dash and on the phone. Spot on.

10-03-2013, 11:39 AM	#16
Freetime Senior Member Join Date: Mar 2013 Drives: Raven Manual FRS Location: Jacksonville, FL Posts: 275 Thanks: 84 Thanked 241 Times in 97 Posts Mentioned: 1 Post(s) Tagged: 1 Thread(s)	Or skip all the calculations and put a cellphone with a GPS speedometer in your car and test it. I'm stock and I tested mine the first day I got it. 80mph on the dash and on the phone. Spot on.