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01-28-2003, 10:29 AM
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Whats the magic #
I am looking for a 700R4 tranny for my S-10, and have been told that before a certain year they were garbage, I believe it was 1986 or 1987. I could be wrong though. I have found a 700R4 out of a 1989 Chevy, its rebuilt and seems pretty cheap. So, what is the year. Thanks,
bonuts 
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01-28-2003, 11:35 AM
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i heard the 1984 and 1985 models were junk, i even have a 1984 model 700r4 and it didnt hold up i am now running a 1989 model 700r4 and have no problems with it. hope this helped i have the stage 3 shift kit in it and a manuel valve body, they say it can hold 650-700 horses now.
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01-28-2003, 11:36 AM
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**had a 1984, i dont have it no more couldnt salvage no parts**
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01-28-2003, 03:29 PM
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the major revisions came in 1988, anything after that is the better trans.
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01-28-2003, 04:01 PM
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Mid 1987 was the introduction of the revised 700 internal parts, valve body.
1988 and up you are sure to have the good stuff unless someone has changed the internals. I had 2 units last year that were 1990 or newer and both had EARLY internal hard parts........ 7 vane pumps , early FWD sprags, etc. Obviously the units had blown up and some tranny guy somewhere had installed parts that were laying around. Tony
__________________
At the Bonneville Salt Flats, first gear is known as 130 mph.
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02-01-2003, 10:10 PM
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Cool thanks for the help, I did get the tranny, and am having it checked out, because I don't feel like pulling the 350 out of my S-10 again because the tranny is no good. I'm also getting the guy to give me a price on work, like a full manual valve body done. Any suggestions on high-stall torque converter? Its just a warmed up 350, flat tops, camel hump heads, aluminum intake and a 650 holley. I was thinking 2200RPM-to-maybe even a 2800RPM one. It is a street driven truck, and from time to time the girlfriend takes it out, so its got to be driveable. I also am going to be running a 4.10 posi rear end (had it in the truck before but just too hard on fuel, when I hit the highway) so I took it out. Thanks for the help.
bonuts
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02-02-2003, 01:00 AM
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Are all years of the 700R4 computerized? Or just earlier or later ones? I know that you can buy a wiring "loop" to avoid slipping in/out of OD to put a 700R4 in a non-computerized car.
The reason that I am asking is because I would like to run an O/D tranny in my Chevelle since I am having no luck finding a 4-gear and keeping both arms. If the 700R4 is going to be a complete pain then I'll have to go with the ol' standby TH350. Later, WEIMER
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02-02-2003, 02:00 AM
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none of the 700īs are computerized, the computerized 700 is called 4L60E..
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