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Rev · 08-09-2002, 12:54 PM

I went from 2.80 to 3.25 and that seems good to me. I also cruise at 3000 RPM @ 70MPH, but that's with a C-4. There's about 5% slippage in the torque converter when fully coupled on a C-4 (no lock up).

Rev

08-09-2002, 12:54 PM	#3
Rev Registered Member Join Date: Nov 1998 Location: Houston, Tx. Posts: 3,887	2.80 to 3.25 I went from 2.80 to 3.25 and that seems good to me. I also cruise at 3000 RPM @ 70MPH, but that's with a C-4. There's about 5% slippage in the torque converter when fully coupled on a C-4 (no lock up). Rev __________________ '66 Coupe, 306, 350-375 HP, C-4, 13.07 e.t., 104.8 mph, 1/4 mi. O.B.C. #2 '66 coupe Last edited by Rev; 08-09-2002 at 01:13 PM..