727 Build for Mid-10s
I ran my last 904 build like that too. I never said it doesn't work.
I think it's a shift tuning thing as I said. My 904 at 125 psi with 4 thick front clutches at 7200 rpm was too soft and slow of a shift.
This time I will follow the recommendation with 5 clutches parallel grooved to speed the apply for et gain. But the 904 has much less surface area than a 727.
