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Old 06-12-2008, 11:45 AM
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Chevy Fixed Yoke?

What GM transmissions (SBC bolt pattern) were available with a fixed yoke? Anyone have any pictures, spec's, part #'s, links, etc.? Specifically I would like to know if any TH-350 ever came with a fixed yoke...or something of about the same size/weight. What would be other options that could be adapted with a mid-plate or bell-housing? Manual trans would also be acceptable as long as it is close ratio and not a granny low truck trans. It needs to be able to stand up to a stroked 4.3L V6.

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Old 06-12-2008, 01:13 PM
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Chevy Fixed Yoke?

400 turbo out of ambulances and heavy trucks is all i ever seen with the bolt type
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Old 06-12-2008, 08:34 PM
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th400 was the only stock GM one with a bolt on yoke, but a th350 could be modified for one, jeep guys have been doing something similar for years. Basic idea here (Hack N Tap ), then buddy up to your local driveline/machine shop .
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Old 06-12-2008, 08:55 PM
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I have seen that done on a transfer case, but never on a 2wd trans. I think there would be a problem not having a ball bearing in there (just the bushing).

Does anyone have any pictures of the th400 fixed yoke? Does it use a ball bearing?
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Old 06-12-2008, 09:21 PM
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Quote:
Originally Posted by Triaged
I have seen that done on a transfer case, but never on a 2wd trans. I think there would be a problem not having a ball bearing in there (just the bushing).

Does anyone have any pictures of the th400 fixed yoke? Does it use a ball bearing?

I took one out of a 79 GMC 3/4 once. TH 400. If you mean ball bearing on the output, instead of a bushing? This one was a bushing, and I can't believe GM would ever have had one with a ball/or/roller bearing.
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Old 06-12-2008, 10:17 PM
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GM bolt on yoke for the t-400 uses a regular bushing in the tail housing.

The motor home t-400 with large parking brake device had ball bearing on the yoke.

There is a custom after market tail housing with ball bearings and fixed yoke that many off road racers use. It is quite expensive.
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Old 06-12-2008, 11:43 PM
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I guess I'm just too used to 4wd fixed yoke setups. I have seen the aftermarket TH400 assemblies. Yes they are very expensive. But I don't think anyone makes one for a TH350.

Was there ever any 2wd fixed yoke with a ball bearing from one of the big 3?
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