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12-02-2008, 03:44 PM
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#1 |
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Registered User
Join Date: Nov 2008
Location: Wichita, KS
Posts: 24
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700r4 tranny question
how hard, and what would it take to put a 700r4 tranny in a 76 k10? or should i just go with a thm400? has a "good enough" working 350 in it now. i plan to rebuild the motor so I want something a little beefier behind the sbc.
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12-02-2008, 03:48 PM
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#2 |
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Registered User
Join Date: Jun 2008
Location: jefferson city, mo
Posts: 43
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Re: 700r4 tranny question
It is not that difficult. The cross member will need to be moved back, but the most important thing is to get the TV cable adjusted correctly. I did this change myslef a couple of weeks ago. I went from a 350 to a 700R4, I love the low first gear in the 700R4 and my 3.73 rearend likes the overdrive.
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1976 C-10 shortbed 2wd (work in progress) Mods: Stock 307, 700R4 Transmission, Hurst Pro-Matic shifter, 2100 rpm stall converter, Headman Elite 1 5/8" headers, H-pipe, 2 1/2 exhaust through Magnaflow mufflers, 3.73 Motive gears, superior axels and Eaton Posi carrier http://www.cardomain.com/ride/3136537 |
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12-02-2008, 04:50 PM
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#3 |
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Registered User
Join Date: Nov 2008
Location: Wichita, KS
Posts: 24
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Re: 700r4 tranny question
not sure what rearend gearing i have, it is a 14 bolt. would the 700 be better than the 400 as far as off roading and 4wheeling be concerned?
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12-02-2008, 04:55 PM
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#4 |
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Registered User
Join Date: Jun 2008
Location: jefferson city, mo
Posts: 43
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Re: 700r4 tranny question
In my opinion, if all you are worried about is off roading and 4 wheeling and you have a 350 in already, I would just stick with it. If you are staying on pavement, I would go with the 700R4. Just my 2 cents, I am sure you will get different opinions on here.
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1976 C-10 shortbed 2wd (work in progress) Mods: Stock 307, 700R4 Transmission, Hurst Pro-Matic shifter, 2100 rpm stall converter, Headman Elite 1 5/8" headers, H-pipe, 2 1/2 exhaust through Magnaflow mufflers, 3.73 Motive gears, superior axels and Eaton Posi carrier http://www.cardomain.com/ride/3136537 |
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12-02-2008, 06:40 PM
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#5 |
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Georgia Boy
Join Date: Jun 2008
Location: Douglas, Georgia
Posts: 370
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Re: 700r4 tranny question
You would have a serious low gear in 4WD low, that's for sure! =)
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81 GMC High Sierra, 2WD, 357ci/700R4, 3.73s, posi. |
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12-02-2008, 10:16 PM
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#6 |
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Registered User
Join Date: Nov 2008
Location: Southeast IA
Posts: 53
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Re: 700r4 tranny question
my question is on the same thing, i have a 700r4 in my truck now that is junked, i would like to drive my truck to the mud and trails on the highway, then when i get there have something that is dependable!! I have a 400t with all the driveshafts and axles and the t-case, what would you do??
IMO.....if you are gonna spend more time in the dirt use the 350t or a 400t otherwise, i think the 700r4 is the way to go......i hope you guys could give us both opinions!! Thanks guys this forum is great!! 
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'04 Chevy Ext. cab SB 4WD 8.1 Allison Daily Driver '84 Chevy 2wd 1 ton CCLB dually needs lots '72 Chevy LBSC K20 |
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