1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Automatic Transmission

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Old Jul 26, 2005 | 11:32 AM
  #1  
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From: Bryan, TX
Automatic Transmission

I fixed my engine problems for the most part. No more stalling at all.

The transmission though is sliping in drive quite badly. It will also shudder before gripping. If I shift through the gears though, it grips fine.

I know the fluid is contaminated. The transmission shop told me I should just rebuild it, and quoted me $800-$1200. I can get a known good transmission for $200 and just swap that in myself.

Any ideas off the top of your head? Or any tips on swapping the transmission?
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Old Jul 26, 2005 | 11:36 AM
  #2  
1985_RX-7's Avatar
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From: Giddings, Texas
I wanna swap a manual into my car, so if i do i can sell it to you, no shipping but u are not far from me...
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Old Jul 26, 2005 | 11:45 AM
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I want to convert to a manual too. . . but not this week.

When were you wanting to let yours go? I can stop by and pick her up.
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Old Jul 26, 2005 | 11:53 AM
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If you change to a manual, you have to change the front counterweight as well as the rear to keep the engine balance. I'm pretty sure I remember this correctly. Somone please correct me if I'm wrong.
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Old Jul 26, 2005 | 12:41 PM
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i have a good 84/85 automatic for sale. not sure what shipping would cost out of california but it should be considerably less than shipping an engine and that has run just 200 or less to texas
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Old Jul 26, 2005 | 01:20 PM
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From: Bryan, TX
The plan at a later date is to swap over the s4 13b manual drivetrain into the car, but the engine needs to be rebuilt. When that is done I will convert the car over and get the new drivetrain put in.

For the mean time, I am just going to throw a replacement tranny in the car and get her running. I am getting an auto right now for 260 shipped to Bryan, TX that is known good with the overdrive unit.
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Old Jul 26, 2005 | 01:43 PM
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i guess its time for a th350 lol. flame away!!
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Old Jul 26, 2005 | 04:45 PM
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Originally Posted by lovintha7
If you change to a manual, you have to change the front counterweight as well as the rear to keep the engine balance. I'm pretty sure I remember this correctly. Somone please correct me if I'm wrong.
Never touched the front counterweight when I swapped mine over, and the rear counterweight is attatched to the stock 5spd flywheel. Just gotta use the right year flywheel to the right year engine.
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Old Jul 26, 2005 | 05:03 PM
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From: Socal
Originally Posted by dantheman
I fixed my engine problems for the most part. No more stalling at all.

The transmission though is sliping in drive quite badly. It will also shudder before gripping. If I shift through the gears though, it grips fine.

I know the fluid is contaminated. The transmission shop told me I should just rebuild it, and quoted me $800-$1200. I can get a known good transmission for $200 and just swap that in myself.

Any ideas off the top of your head? Or any tips on swapping the transmission?

Im have a pending auto-5spd swap in the next 2 weeks. if ur interested, I will talk to the owner in selling it to you. It will be cheap since it will be junked anyway.
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