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ring and pinion

  1. Motive Gear is now supplying ford racing with gear sets

    2005-2010 Mustang Talk
    So I just learned something interesting today. I just tried to order a set of 4.10 FRPP gears from a licensed ford racing supplier. I ordered their old ford racing part number, M-4209-G410A. Apparently that is no longer an available part number. I was told that that Ford Racing has recently...
  2. 8" and 8.8" Differential Parts Interchange?

    Classic Tech
    I have an 8" Dif with 2.79 gears and an AOD trans... way to high a final ratio. I was looking for a replacement ring and pinion, went to Summit Racing, and saw that the part# was identical for both the 8" and 8.8" ring and pinion! Anyone know if these two use the same ring and pinion (or is...
  3. 1966 Mustang Rear Ratio

    Classic Tech
    Hi everyone, 1966 Mustang, 289 v8 with a c4 Trans. I have an 8" open rear with 3:00 gears stock gears I believe. I'm going to do some engine modding with a top end kit and wanna change out the gears in the rear. I've heard of 3:25s and 3:55s, but would a 3:40 work? Particularly these...
  4. 3:27 to 3:90 rearend gears swap

    5.0L Tech
    i have a 95 gt auto w/overdrive it has 3:27 gears i am goin to put in 3:90 i just need a little feedback pros cons and what rpm's does it run on the highway at about 70mph and any other input advice someone may have tanks
  5. 1965 stock rear end....

    Classic Talk
    does anyone know what size gears were run in the orginal 289 1965 stangs....(not a hipo if it makes a difference) and it is NOT a 1964.5.....and there 8.8 inch rearends.......riiiiiight :P?