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  1. 6

    904 Part Number location on trans?

    Other than above the pan on a 904, are there any other spots on the trans where a part number would be? Trying to figure out the year and what it came in originally. I am being told that 81a6129 is the only number on a trans for sale (out of the sellers town or I would look myself), yet that...
  2. 6

    A999 Bellhousing Q

    I see that some A999 transmissions came behind v6 cylnders, so does the bellhousing from the v6, fit a small block v8? Edited-
  3. 6

    Urethane or Rubber trans mount?

    Want to replace my aging rubber trans mount for my 904, yet any benefit going to urethane over stock rubber? thanks all
  4. 6

    Early-A Cross Member Swap-Easy in car?

    Will a jack supporting the rear of the trans work, when swapping out the rear trans cross member? I got mine back from TTI (modified for an early-a with dual exhaust). I was going to loosen the trans mount bolt at the rear of the tail shaft after using a jack to support the rear of the trans...
  5. 6

    318 vs 360 schumacher mounts

    Can someone school me on 318 vs 360 schumacher mounts. I think the ones on my 65 are wrong. It has a 318...the passenger bracket has 4 bolt holes when the 318 block itself only has 3 bolt holes on that side. The driver side has 4 bolt holes, yet the bracket on that side only has 3. Car...
  6. 6

    Open 489s worth anything?

    Got a 3.23 peg leg 489 pumpkin, and a 2.76 peg leg 489 pumpkin. Are they worth anything or just get rid of em? I was going to keep one since I have a 741 in my 8 3/4 currently and like the gear options better on the 489.
  7. 6

    8 3/4 to 904 driveshaft length?

    Can anyone tell me the length of the driveshaft for an 8 3/4 to a 904? Trying to guesstimate how much I need to shorten my current one to fit my early a-body, since it has a 7 1/4 right now thanks!
  8. 6

    Best way to drain all trans fluid?

    Other than draining the pan, what is the best way to drain all the old fluid out of the 904 / 727 trans? I heard something about neutral and opening the return line into a bucket but I am wary about starting up the car in neutral with low fluid like that
  9. 6

    Kickdown Spring Question

    I was reading my TS manual on 904 and 727 transmissions, and it shows pictures of a small spring right next to the kickdown locknut, down near the gear selector of a 904 or 727 where you adjust the kickdown to where you want it, then tighten the little nut. My 79 904 transmission doesnt have...
  10. 6

    Transmission starts in second/third sometimes?

    From a stop, my 904 trans starts in second or third, or at least feels like it. It does this 50 percent of the time. I can manually shift down to first to get the correct acceleration whine/feel indicating first gear. I heard it might be sticking governer weights, yet before I take the tail...
  11. 6

    First Time 904 Rebuild?

    How difficult? I ask because I am going to purchase an extra 904 trans to rebuild, yet wanted to know if this was better left to the professionals? My current one is slipping/on its way out and Id rather have a stock built backup. I have the TCI technical manual for the A904, yet wondering if...
  12. 6

    Engine to Trans Brace Questions

    Hi all, My 318/904 was missing the engine block to trans braces, so I acquired a set, yet is the passenger side the same for the 904/727? I got the driver side to fit perfectly yet the passenger side doesnt seem to go to the right spot on the transmission...maybe I have the 727 piece for...
  13. 6

    Dual Exhaust Crossmember Modification on 64-66 A-Bodies?

    Anyone used the laysons dual exhaust cross member for 64-66 a-bodies? Im tired of my dual exhaust on my 65 looking like crap so i want to modify my cross member on the transmission Any members on here do the same service? Thanks
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