From what everyone says and everything I read, the 8.5" gears are compatible with the 8.6" gears and vise versa.
From what everyone says and everything I read, the 8.5" gears are compatible with the 8.6" gears and vise versa.
New Truck on it's way: '07 Classic GMC 2500HD DuraMax LBZ
03' Silverado ECSB 4x4 Z71 LQ9, TR230, Patriot LS6, 31lbs, Trailblazer stall, Corvette servo, Corsa Touring,
HP Tuners
SOLD - 99' Silverado ECSB 4x4 5.3, Edelbrock RPM, Nitto Terra Grapplers, Texas-Speed Tuned 02' PCM, LT1 fans
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