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Old 01-15-2010, 03:57 PM   #1
BIGBLU 72
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700r4 question

Im looking into buying a 700r4 out of a 92 S10 with 133000 miles on it. will this need to be beefed up to run behind my 400 small blocl (350+hp/400+ftlbs) and is there going to be any issues with linkage, lenght, or speedo hook up?
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Old 01-15-2010, 04:30 PM   #2
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Re: 700r4 question

yes to all your questions
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Old 01-15-2010, 04:33 PM   #3
425HP409
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Re: 700r4 question

There is no difference in the V8 or V6 transmissions as far as strength is concerned. I would highly recommend having it rebuilt with the 9 clutch 3-4 clutch pack, Kevlar Band and larger boost valve. I would also replace the sun shell with the newer hardened one. You will have to get a front drive shaft yoke to fit it the transmission, (TH350 and TH700 are the same), shorten the drive shaft approximately 2.5 inches if you are still using a TH400, install a Throttle Valve cable to the carburetor, install a throttle valve bracket on the intake or carburetor, relocate your cooler lines to fit the trans, and move the frame cross member to the rear for the mount. If it is a 92 with a mechanical speedometer, you can use your existing speedometer cable but the speedometer gears will have to be calibrated to your specific differential ratio.
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68 SWB, Dad bought new, now 396 & factory ac
64 Impala SS, 409 425HP, 4 speed AC
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77 GMC Sprint, 454/425HP
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Old 01-15-2010, 04:52 PM   #4
BIGBLU 72
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Re: 700r4 question

Ok so how much coin am I looking to shell out on this thing?
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Old 01-15-2010, 05:54 PM   #5
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Re: 700r4 question

You are going to spend from $1000-1800 on parts and trans rebuild and 600-1000 on labor unless you do it yourself.
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68 SWB, Dad bought new, now 396 & factory ac
64 Impala SS, 409 425HP, 4 speed AC
64 Bel Air Wagon, 400 Small Block
57 Bel Air all original 283 w/Factory Air
77 GMC Sprint, 454/425HP
67 Olds 442, all original
90 ZR1 Corvette
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