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Old 09-30-2013, 04:11 PM
 
Location: New Orleans, LA
1,715 posts, read 3,657,505 times
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Just want to know is there any differences of the transmissions from my 1990 GMC Suburban V1500 350 Regular V8 and 1992-1994 or 95 Transmission since I will be getting a used transmission for my 1990 Suburban.

Since the Suburbans from 1989-1991 have the same 350 Engine as the 1992-1994 or 95 models.

Because it is hard trying to find the right 4x4 transmission for my year model from an exact year model Suburban that is a 4x4 which there are not a lot of 4x4 models out there like mines.
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Old 09-30-2013, 04:16 PM
 
2,341 posts, read 8,494,038 times
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No, it's not the same transmission. The later model Suburbans you're referring to have the 4L60E transmission. The older one will have either a TH400 or TH700.
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Old 09-30-2013, 08:24 PM
 
15,856 posts, read 16,697,599 times
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I think in late 1994-95 they went to the 4l60e which is a electronically controlled 700r4. If the transmission has a TV CABLE it will work on your truck.If it doesn't then it won't. Do you have the old TBI motor? Those have the 700r4. If it's the CPI vortec then its the 4l60e. There is also a heavy duty 4l80e but that's usually behind the big block 454
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