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Old 07-08-2009, 05:06 PM
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700R4 General Questions.

First of all....this is a 700R4 right? Just want to check before I go further.




If so...are they usable both in 4x2 and 4x4 applications? And are there any adapters I'd have to buy to make it 4x4...it was in a 4x2 street truck.

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Old 07-08-2009, 05:12 PM
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Hi,
You'll need to change the tail shaft, the link is a picture of 4X4 tail shaft
Rich

http://i2.ebayimg.com/06/i/000/d1/9a/f7ec_1_bl.JPG

Last edited by richard stewart 3rd; 07-08-2009 at 05:36 PM.
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Old 07-08-2009, 05:33 PM
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Quote:
Originally Posted by richard stewart 3rd
Hi,
You'll need to change the tail shaft.
Rich
Ok thanks rich.

After doing some research...I think it is actually a THM200R4. The 200R4 is still a 4 speed but what are some differences in power rating and quality vs. a 700R4


Also where can I decode the tag on the tail shaft. 283-862HCF1478 was teh number stamped on the tag. It was in great shape still.
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Old 07-08-2009, 05:37 PM
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700r4 is square pan

you have a 250 if it has an X on the pan and a ban adjustment nut on the side of the case by the cooler line ports

th350 would have vac modulator VALVE

200c

if it has a non removable tailshaft housing

11 bolt pan
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Old 07-08-2009, 05:45 PM
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Quote:
Originally Posted by fast68
700r4 is square pan

you have a 250 if it has an X on the pan and a ban adjustment nut on the side of the case by the cooler line ports

th350 would have vac modulator VALVE

200c

if it has a non removable tailshaft housing

11 bolt pan
Pan is dirty I will go clean it up and check it. but if has an X on the bellhousing if that helps. I think its a 200 as the pan looks the same.
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Old 07-08-2009, 05:50 PM
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So this is THM200R4 trans. It IS NOT a 700R4. I found all the dates and codes and it is in fact a 200R4.

Could anybody tell me anything about this trans. Are they strong? How much power can they handle? Anybody have any experience with them?

Thanks guys
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Old 07-08-2009, 06:03 PM
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that's what it looks like to me 200r4

http://www.nastyz28.com/chevy-transm...tification.php

well some others beat me again I type to slow,
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Old 07-09-2009, 05:16 AM
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Quote:
Originally Posted by LOWbutnotSLOW
So this is THM200R4 trans. It IS NOT a 700R4. I found all the dates and codes and it is in fact a 200R4.

Could anybody tell me anything about this trans. Are they strong? How much power can they handle? Anybody have any experience with them?

Thanks guys
yes, that is a 200 4R. they come in a variety of cars, from a delta 88, to a caddy fleetwood, to a buick gn. from what i know, the gn 200 4R's are built to handle more hp, and can be beefed up to handle even more hp.
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Old 07-09-2009, 10:55 AM
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Not wanting to nit-pick here, but isn't it "700R4" and 2004R"?

I notice the on the nastyz28 page linked to above that they, too, refer to it as a 200R4...
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Old 07-09-2009, 11:22 AM
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Yes it is, & even though I know this, I will get it wrong even if I'm just having a normal conversation with someone, just a mental block I presume.
Rich
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Old 07-09-2009, 11:20 PM
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THM 200-4R Application Chart + links at bottom of page > http://web.archive.org/web/200701281.../thm2004r.html
Don't know what the HC code is from. BR,BQ,CQ,CZ,OZ and KZ are the best codes to start with. They have the best ValveBody, Governor & Servos. The TurboBuick.com forum is a great site for 2004R upgrade Info.

http://www.turbobuick.com/forums/tra...ing-2004r.html

http://www.ptsxtreme.com/faq/display_faq.asp?faq_id=4

http://www.drwtransmission.com/thm_200-4r.htm

http://www.gnttype.org/techarea/tran.../200rebld.html
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