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TCC Lockup Kit 700R4 (Which is best???)

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Old 04-26-2010, 09:03 PM   #1
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Join Date: Jan 2010
Location: Philadelphia, PA
Posts: 17
Car: 1987 IROC Z
Engine: L98 350
Transmission: 700R4
Axle/Gears: 3.42

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TCC Lockup Kit 700R4 (Which is best???)

Upon installing an XFI ECM on my 1987 IROC, i found out that the ECM does not support a 700r4 with TCC Lockup. I have already viewed the previous recommendations and understand what it takes to get the job done. However, i was wondering if they make an EXTERNAL only kit to make the job that much easier so i dont have to drop the pan to install a kit. Any help is appreciated. Thanx 3rd Gen...
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Old 04-27-2010, 09:26 AM   #2
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Join Date: Dec 2004
Location: Lincolnton, NC
Posts: 1,626
Car: 88 IROC
Engine: 97 5.7 Vortec LT4 hotcam
Transmission: 700 r4
Axle/Gears: 3.73

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Re: TCC Lockup Kit 700R4 (Which is best???)

an external only kit wont work if the stuff in the pan isnt there. Unless you know for a fact that everything is right. You can read the TCC lockup thread and do the recommended check to see if you have the N.O. switch or the N.C. switch. You can do that without dropping the pan I believe. Then you can wire it from there.

Trans Im messing with right now didnt even have a 4th gear switch installed in the valve body. So if you want it done right, drop the pan. Its not that much work and you could probably go for a filter change anyways.
88 Camaro, 97 5.7 vortec, lt4 hotcam, 4160 Holley 600, Pro Built 700r4, 3.73
85 S10, 350/350, 10.5:1, Dart Pro1 200Ps, 244/249@50, .565/.543, Air-Gap, 650 DP, 3000 stall, 3.42s
67 SS Chevelle, 396, 4 speed, 3.73
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Old 04-27-2010, 09:26 AM
1992 Camaro

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