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Re: Needed a diff, coming home with a 90 R20
Quote:
Originally Posted by Jsfucttruck
I thought the same.
It has a 1990 production date, and the build code calls for it.
I am looking at buying a 91 V2500 for parts, that has a th400, I thought all the 3/4 tons in 91 had 4L80e's!
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Unless someone swapped it out.....
By factory, I'd expect to see all 3/4 ton suburbans with a 3 speed shifter. In 91 I'd expect to see the "OD" 4th gear on selector (4l80e).
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- Jeff
89' K5 Blazer, 2.5" lift, 35" tires 
04' GMC Yukon XL, 3/4 ton, 8.1L
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