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37 · 12-04-2014, 05:30 PM

I have a 4.67. GPS is dead-on against the speedo at a +1MPH delta at 60MPH with stock tires at 32F/35R PSI (61MPH indicated / 60MPH GPS). That number didn't change with the FD, only after changing wheels/tires.

12-04-2014, 05:30 PM	#24
37 degrees Join Date: Mar 2013 Drives: 6MT BRZ Location: Shifting Posts: 157 Thanks: 132 Thanked 141 Times in 72 Posts Mentioned: 10 Post(s)	I have a 4.67. GPS is dead-on against the speedo at a +1MPH delta at 60MPH with stock tires at 32F/35R PSI (61MPH indicated / 60MPH GPS). That number didn't change with the FD, only after changing wheels/tires.