If your '61 is a C10, then you have the Eaton HO32. More than likely you have the 3.90 gears that about 90% of them came with. There are no new aftermarket posi's made for these differentials that I know of. You will have to find a good original. These differentials were used from 2nd series '55 thru '62.
Quote:
Originally Posted by hop sing
SORRY 2 JUMP IN ON THIS ONE I HAVE 61 THE REAR END LOOKS LIKE 9IN STLYE BUT HAS STUDS HOLDING IN FRONT AND BACK OF THE PUMPKIN ANYONE HAVE ONE ? AND WHAT GEAR SET IS IN THEM RIGHT NOW WITH A 350/AND 700R4 I AM TURNING 2500 RPM'S AT 70MPH ,,FEELS LIKE 4,11 OR 3,90 THX GUYS WOULD LIKE TO GET A POSI IN THERE ANYONE GOT ONE ? MAHALO HOP  |