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Detritus Maximus
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Discussion Starter #1
I have an automatic transmission from a parts car I had. My question is how do I tell which model it was for originally and what years. It was in a GT. The bellhousing is correct for an Opel. Are there casting/part numbers that I can look for that give some indication? Any exterior changes that would tell me anything?
Thanks-
Tony
 

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Super Moderator
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13,582 Posts
You answered you own question. The automatics from all models and years of 1900 were identical EXCEPT for one thing. The shift lever location. The GT is unique of itself, but the Manta/Ascona/Wagon/Kadett were the opposite. I can't remember which is which at the moment.
The GT had a *slightly* higher stall speed torque converter as well, but I've never seen a performance difference from it. It's about 200 rpm higher, up from 2200 in the Manta.

Bob
 

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Detritus Maximus
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2,380 Posts
Discussion Starter #3
Which 'location' are you referring to? On the transmission or the shifter mount in the trans tunnel?
 

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Super Moderator
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On the transmission itself. I just ran out to my barn, and a Manta tranny has the shift selector shaft on the driver's side of the tranny. The GT would be on the passenger side. It's just a metal rod with a threaded end that the shifter arm attaches to.

Bob
 

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Detritus Maximus
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2,380 Posts
Discussion Starter #5
:cool: Hey!-
Well, according to what you've said it is a Manta trans.
Thank you very much!
Tony P.
 
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