will a TH-200 hold behind a mild 350? - Hot Rod Forum : Hotrodders Bulletin Board
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Old 12-18-2010, 01:33 PM
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will a TH-200 hold behind a mild 350?

I can't find any TH-350's cheap locally, but have found a few TH-200's. I see listings say they mostly came behind 6cyls and 305's but did come behind a couple 350's.. will 1 hold behind a mild 350 making ~260 HP?

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Old 12-18-2010, 01:59 PM
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This trans is being used by some stock class drag racers; but highly modified of course. You may want to check over on ClassRacer.Com for more info. Butch/junior stocker.
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Old 12-18-2010, 02:57 PM
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when modified they hold up to filthy horsepower ......Many of the gran national guys run them with great success. If you leave it stock they are not as strong. In my opinion I think it would hold up to this power level, as long as you dont test it with sticky tire hole shots or heavy load towing. If its just a driver it should be fine
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Old 12-18-2010, 03:15 PM
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Quote:
Originally Posted by Onefunponcho
when modified they hold up to filthy horsepower ......Many of the gran national guys run them with great success. If you leave it stock they are not as strong. In my opinion I think it would hold up to this power level, as long as you dont test it with sticky tire hole shots or heavy load towing. If its just a driver it should be fine
matt167 was asking about a t-200 trans.

The Grand National car guys seem to run the 200-4r trans.

The back end of the gear train is the same between the two transmittins

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Old 12-18-2010, 09:40 PM
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I am running a 2004r in my 77 vette. I have behind a 355 with a zz4 cam and vortec heads. I have gone through the trans dident go to crazy. Hardened stator, 10 vane pump.Increace OD clutch capacity. Shift reprogramer kit from CK Performance
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Old 12-19-2010, 01:21 AM
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cool. then I won't be worried about it then... funny thing is I had a TH-200 in a '81 Impala parts car ( hit/ totaled with 130k miles ). it was a runner with a 267. I bought it because it was supposto be a 305 or 350, and it only cost $75.. after running the numbers, I was so sick of looking at it, that I took it to the scrap yard without getting the engine/ trans
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Old 12-19-2010, 11:17 AM
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the item to watch on a t-200 or 200-4r is the end play in the gear train.

The output shaft in each trans will wiggle around a bit with no yoke installed... that is common
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Old 12-20-2010, 06:02 AM
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Donny Wang used to play around with the T200.
Very light & efficient Trans.
http://www.drwtransmission.com/thm_200C.htm
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