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Author Topic: New potential score  (Read 7310 times)

Offline VileZambonie

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New potential score
« on: January 04, 2009, 08:04:41 am »
1991 Suburban 2WD 3/4 Ton fully loaded. It has pretty much every single option the Silverado could have. It is a 350 TBI 4L80E not sure on the rear yet. So I'm thinking of yanking the trans for my 74. Not sure if I should just pop an extra TH400 back into it or gut the sucker. Will post pix soon.
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74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline joesgarage71

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Re: New potential score
« Reply #1 on: January 04, 2009, 08:44:04 am »
 A big sled like that your gonna want OD.
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78' K-20 355/SM465/twin stick 205 6" on 36's
14 bolt FF/big bearing Dana 44 4.56 gears
92' GMC C-1500 454/4L80E/14 bolt

Offline VileZambonie

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Re: New potential score
« Reply #2 on: January 04, 2009, 08:45:51 am »
I'm probably going to use it as a parts truck but for now I might just swap in the TH400 so I can have the 4L80E and still move around the burban
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74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline joesgarage71

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Re: New potential score
« Reply #3 on: January 04, 2009, 09:09:52 am »
 I see said the blind.... STRIP IT!!
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78' K-20 355/SM465/twin stick 205 6" on 36's
14 bolt FF/big bearing Dana 44 4.56 gears
92' GMC C-1500 454/4L80E/14 bolt

Offline Lt.Del

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Re: New potential score
« Reply #4 on: January 04, 2009, 12:25:22 pm »
Another one bites the dust....If you strip it.   

Those 91's are right nice.  The last year of our style.  My 91 turned 199,000 yesterday.  That 350 still doesn't use a drop of oil. The 4l80e seems bulletproof. 

If you put the 4l80e in your  74, you gonna use the sub computer? 
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Offline VileZambonie

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Re: New potential score
« Reply #5 on: January 04, 2009, 03:34:10 pm »
yeah I would use the suburban computer at first until I got a standalone.
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74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline eventhorizon66

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Re: New potential score
« Reply #6 on: January 04, 2009, 04:03:24 pm »
I'm definitely considering a swap over to a 4L80E in the distant future (where all my other plans reside).  The gear-spread, strength, and 25% OD make it a perfect performance trans.  As long as you have the torque (which I will eventually) I think longer first gears are better for acceleration.
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'85 C10 SWB 350 700R4 TKO600

Offline fitz

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Re: New potential score
« Reply #7 on: January 04, 2009, 09:10:44 pm »
I say strip it then junk the shell. Even with the price of scrap down to $80 a ton the shell will be worth a few bucks.
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Offline VileZambonie

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Re: New potential score
« Reply #8 on: January 05, 2009, 08:08:54 am »




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74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline JRConnieK10

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Re: New potential score
« Reply #9 on: January 05, 2009, 09:24:48 am »
WOW! Nice score I see a fortune in good parts just from those pics. The frontend alone is going for a good price these days and the interior looks good. Ok you see what I've been looking for.
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'85 K10 LWB 350/SM465
BUILT NOT BOUGHT
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