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powerglide

  1. Transmission - Rearend
    Hello I'm a new-be to this site :welcome: and I joined cause I need some information on a transmission my late husband has left me. It is a powerglide aluminum transmission and it measures 28 +/- length and 18+/- width with a number 3987988 followed by a circle with a "CM" at top and a 4 at...
  2. Transmission - Rearend
    I recently bought a engine and transmission for my project car. I was wondering if my 1965 powerglide bolt pattern would line up with the new thm 350s and 400s. Thanks in regards for anyone that can help me out.
  3. Transmission - Rearend
    I just bought a B&M 70255 trans cooler for my powerglide trans and installed a new rad minus trans cooler. The B&M says it works best in series with OEM rad cooler. Am I at risk for not using the rad cooler as this thing seems pretty small. Anyone got any experience with this? Btw if I am...
  4. Transmission - Rearend
    I noticed today that my car is difficult to push when put in neutral, it is a 2 speed aluminum powerglide. Fluid level looks fine, I put in Mobil ATF D/M fluid at the start of the season. Does anyone think it could be wrong fluid? Or something with the rear end post unit?
  5. Transmission - Rearend
    Alright, so I sold my Camaro and bought a 1969 Impala. It has the matching numbers 327 and Powerglide still in it. What I want to know is what the best shift kit is, and what speedometer gear to use, as I put bigger tires on it. I don't have the rear end code as of right now, but the VIN is...
  6. Transmission - Rearend
    I am in need of some help. I have a cast iron power glide build date march of 1955. I know very little about this transmission. I have installed it in a dragster of mine, but I only have a forward gear no matter what position I try to shift it into. I have no reverse or neutral.
  7. Transmission - Rearend
    I recently picked up two powerglides for $150 total, first was that a good deal? both are in working order and one appears to have been recently rebuilt. The guy said one is from a 65 nova and the other is from a 72 nova, as i was looking them over i noticed the 72 (one that looked rebuilt) has...
  8. Transmission - Rearend
    I heard if you flip the ring gear on a powerglide gear box - you can then use it for a reverse rotation set up! Anyone have experience with such things? Building a mid engine car using a corvair drive train engine facing forward. - Stop laughing :)
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