I need to know if there are any differences in the thickness of the clutch paks for the Turbo's 4T60HD tranny..
I found:
RCP96050 GM 4T60 89-91 w/ Thinner 3rd Clutches 0.078" (1.98mm)
But it says "w/ Thinner 3rd Clutches 0.078" (1.98mm) " Are the HD's supposed to use thicker clutches?