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Old 03-14-2012, 12:01 AM   #1
bark
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91 crew

so the other day, I dragged this beaut home, not sure what I am going to do with it yet, 1991, 454, 4l8oe, cast t case??, 60 front, 70 rear

what does tonawanda engine mean????

also would it be possible to have 4:56 gears? thats kinda what the tags on the diffs say. will have to pull the covers to check.
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Old 03-14-2012, 12:11 AM   #2
AntiGov
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Re: 91 crew

thats a nice find ! that drive train combo is super hard to find.....only in 91 if im not mistaken.......whats your plans?
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Old 03-14-2012, 12:21 AM   #3
joe231
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Re: 91 crew

4.56 gears were available.
91 was the only square with a 4L80E
The T-case should be a NP205
http://offroaddesign.com/catalog/Tra...ID%20Guide.htm

Nice score!!

I have a 91 SRW V3500 with a 6.2/4L80E/Np205 Dana 60 front and a 14 bolt rear, it has 4.10's. I wish it had the 4.56's
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Old 03-14-2012, 12:51 AM   #4
beamn7
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Re: 91 crew

Tonawanda is GM's engine plant in Buffalo, NY. Big Blocks were built for years at Tonawanda and they decided at some point to give them a special badge.... Some Small Blocks in the 60's had stickers with the Tonawanda logo as well....
Nice score with that drivetrain lineup though!
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Old 03-14-2012, 02:15 AM   #5
andrewmp6
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Re: 91 crew

The truck looks pretty good what are your plans for it?
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Old 03-14-2012, 03:45 AM   #6
jimbonice
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Smile Re: 91 crew

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I think you should drive it to Saskatchewan and leave it in my driveway.
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Old 03-14-2012, 09:37 AM   #7
bark
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Re: 91 crew

thanks for the info. As for plans???? not sure dreams... well I could come up with all sorts there.... lol I have to many other projects that need to get done first. But someday I'd like to start wrenching on it. I have a 12 valve cummins, that would look good in there, and a round eye front clip for sure!!!!! maybe crew shortbox srw, or dually, Or who knows, time will tell.
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Old 03-14-2012, 06:56 PM   #8
Hulk Will Smash
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Re: 91 crew

Bichin truck! The big block in my '68 Camaro has Tonanwanda stickers too. "Built with pride by the #1 team! Tonawanda Engine" as I recall. One o my bes friends worked right up the street at American Axle.
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Old 03-14-2012, 07:02 PM   #9
Car'n'Guitars
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Re: 91 crew

Very cool truck restore it to stock but paint it different. Need more pictures.
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