epg3 wrote:Got them in the truck today! The truck feels more ALIVE......
Things to know:
Vehicle speed is obtained from wheel speed, NOT transmission output shaft speed. No modification needed for your speedometer!
The carrier pinion shaft needs to be modified for ring gear clearance to install it.
3.91:1 - 31 in tire @ 70 mph = 2000 rpm aprox.
4.56:1 - 31 in tire @ 70 mph = 2400 rpm aprox.
Can't wait to get to the track!
...The quad cabs are also running a true 15.9-16.5 at the track depending on conditions.... I have seen it for my own eyes.
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