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  1. M

    Any tips on adjusting a Hurst Promatic2 ?

    My Hurst Promatic2 is now hooked up to the 42RH, but was in the car when it had the 904 as well. I have never been able to get this stupid thing adjusted right. I followed the instructions, which is to put the transmission lever in the first gear position, and then put the shifter in first, and...
  2. M

    Installing valvebody and park rod.

    Say i'm laying under the car trying to get the valvebody and park rod in. Should I have the rooster comb in a particular position when installing? like park reverse neutral, 2, 1 etc. ?? I've been trying it with it in the Park position, think I'm getting the park rod into the pawl, but as soon...
  3. M

    It never ends. Leaky selector shaft seal.

    Selector shaft seal on my A500 is leaking, which is strange since I replaced it when I built this trans, and it's only been up and running for a little over a week. Guess it's possible I damaged the seal when putting the valve body in or just got a crappy seal. Anyone ever changed one without...
  4. M

    Ok got a weird symptom from the new A500

    So I've only had it out for a few short drives, then to work and back on thursday. All was fine except throttle pressure cable needs further adjustment. This morning I adjusted my kickdown cable, added a return spring, fixed a small leak on one of the cooler lines. Go to take it for a drive...
  5. M

    Weird question about lighted rocker switches.

    So I'm looking for a couple switches to activate the overdrive solenoid, and converter lockup solenoid and the A500 trans swap I'm doing. Its my understanding that on the 3 pic connector on the trans, you run a hot (key on) to the center pin. The solenoids get activated my grounding each of the...
  6. M

    Shortening driveshaft - how to measure?

    Making progress on my A500 tranny swap. As far as having my driveshaft shortened. I was just going to measure center of front u-joint to center of rear u-joint. My question I guess is about measuring. I was planning on sliding my new slip yoke into the tranny till it stops, and then pull it...
  7. M

    Has anyone successfully used the USCartool A500 Crossmember?

    Ok, so I'm installing an A500 into my '68 Dart. I bought the USCartool A518 / A500 crossmember. It uses the existing 4 mounting holes that the original transmission crossmember did. So I cut out a section of my upper crossmember to make room, and cut just inside of the inner original mounting...
  8. M

    42rh reassembly-park rod trouble.

    So had the valve body out of my A500/42RH to do the Transgo shift kit. Trying to reinstall the valve body and the park rod. Can't seem to get the park rod to go all the way in. Whatever mechanism is at the back that the rod end has to pass through seems blocked, or for whatever reason I can't...
  9. M

    Picked up an A500

    Picked this up from a not so local salvage yard. 4 hour round trip drive to get it. From an '89 Dakota with 79k miles on it.
  10. M

    42RH / A500 question

    Say your looking at a couple 42RH transmissions both from Dakota’s. One is from a 3.9 V6 truck and the other is from a 5.2 V8 truck. Is there really any difference between the two? Is the V8 one a better choice?
  11. M

    What the UPS guy brought me

    USCar tool Transmission cross member for installing an A500 in my Dart. Looks like a good piece, very sturdy and well made. I am surprised that its not fully welded, the large U shaped piece that goes across the center is only welded on what would be the rearward facing surface, but isn't...
  12. M

    Anything wrong with the 8-3/4 "741" case?

    I have an extra 8-3/4" center chunk under by bench. It's a 741 case open with 2.76 gears. I was thinking of digging it out and swapping in some 3.55 gears and ad a suregrip unit. But shopping around a bit there seems to be very little stuff available for the 741 case. But lots available for...
  13. M

    Any quality difference in Speedometer cables?

    So my speedo has not worked in the 10 years I've owned my dart. Today I decided to see what the problem is. Well theres about 3"-4" section of the cable that was laying across the exhaust pipe at some point in the past, the plastic is all melted off, the cable housing is cracked and rusted...
  14. M

    904 shifting weird

    I've got a used 904 behind my 318. I got the trans several years ago, it was pulled from running 74 Dart. And that's all I know about its history. When I got it, I put in new front, rear, and selector shaft seals, a new pan gasket and filter, and filled her up with fresh fluid. It's been...
  15. M

    904 Kickdown issues

    I just recently did a /6 to 318 swap in my Dart. I installed a used 904 that a nice fellow in Denver let me have for free. All I did to it was install new front and rear seals, selector shaft seal, and new filter and pan gasket. The tranny is from a mid 70's scamp, and its working great in...
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