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700R4 Overdrive Transmission Rebuild - Overachievi

This is a discussion on 700R4 Overdrive Transmission Rebuild - Overachievi within the Firebird / WS6 forums, part of the Vehicle Specific category; 700R4 Overdrive Transmission Rebuild - Overachieving Overdrive Get A Firm-Shifting And Durable 700-R4 Delivered To Your Doorstep No matter how ...

  1. #1
    Blown, Stroked, & Sprayed

    Ed Blown Vert's Avatar
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    Exclamation 700R4 Overdrive Transmission Rebuild - Overachievi

    700R4 Overdrive Transmission Rebuild - Overachieving Overdrive

    Get A Firm-Shifting And Durable 700-R4 Delivered To Your DoorstepNo matter how impressive the parts, paint, or power numbers, a Pontiac that can't move under its own power is a lawn ornament. Although having a reputation for being reasonably reliable with the stock engine output of 190 hp, we knew we were tempting fate with the stock 700-R4 trans in our '88 GTA by subjecting it to repeated dyno flogs at 300 rwhp. We hoped to delay a trans rebuild until we had some respectable dyno sheets, but recent testing on MD Automotives' Westminster, California, chassis dyno resulted in the trans spitting fluid from the breather; then Second, Third, and Fourth gears mysteriously vanished like intelligent conversation at a political rally. It was decision time. Should we beef up this transmission or seek other alternatives?


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    Photo Gallery: 700R4 Overdrive Transmission Rebuild - Overachieving Overdrive - High Performance Pontiac


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  2. #2
    Junior Member
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    Sep 2017
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    California
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    1988 C1500

    Can anyone tell me a good overhual kit for my 700r4

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