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 82 firebird th200c
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Tribal Scout

19 Posts

Posted - 25 Dec 2014 :  11:18:34 AM  Show Profile  Reply with Quote
I have an 82 firebird with a th200c.
I am pulling the sick old 305, when I unhooked the transmission lines at the radiator there was no atf leaking all over the place!
I have always had fluid there.
Is there anything I should look for in the trans? I know alot of people consider the th200c garbage, but this is all I got and I need to make it work.
Thanks in advance and as always all input is appreciated

The Great White Buffalo

7293 Posts

Posted - 25 Dec 2014 :  11:30:20 PM  Show Profile  Reply with Quote
It's not garbage as long as its in good working order. Is it possible the fluid drained back into the pan while the car was setting?
Here's something that may interest you regarding the 200: http://www.dragracingonline.com/technical/transtech_1.html
and this: http://www.motorstate.com/GMTH-200.htm

Bowties are for Pee-wee Herman. LS swaps in Pontiacs should only apply to Fieros.
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Tribal Scout

10 Posts

Posted - 18 Jul 2015 :  08:29:24 AM  Show Profile  Reply with Quote
If it were my th200c, i would look into hardened rings and a stiffer slide spring for the pump. While you have it apart you could put in larger boost valves and a stiffer spring in the pump to raise the line pressure and give it firmer shifts and longer clutch life. A large auxiliary cooler run in line with the factory radiator cooler will help keep fluid cool. I'm not sure on the 200 how the stator support is or the sun shell as I haven't been into one but those are another two of the weak parts of the 2004r and they are pretty similar units.

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Steve C.

1953 Posts

Posted - 18 Jul 2015 :  09:33:19 AM  Show Profile  Reply with Quote

The purpose of this article is to show potential customers what all goes into a proper 200-4R rebuild and help out the enthusiast that wants to tackle the rebuild on their own. We have the kits, upgrade parts, and tech for you!

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