TH350 rebuild tech

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m (Oil cooler line connectors to transmission case)
(Variations of the T-350 family)
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*This is not a step-by step pictorial. That said, the following should help give a better understanding of the T-350 and possibly help when a question arises.
 
*This is not a step-by step pictorial. That said, the following should help give a better understanding of the T-350 and possibly help when a question arises.
  
==Variations of the T-350 family==
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==Variations of the Th-350 family==
  
There was also a T-350C & T-250C version that has a lockup torque converter (TCC). Look for the end of the input shaft to have a smooth polished end with O-ring on it. The case has a "C" cast into it, and there will be an electrical plug adjacent to the shifter shaft on the driver side of the tranny.  
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There is also a TH350C and TH250C version that has a lockup torque converter (TCC). Look for the end of the input shaft to have a smooth polished end with O-ring on it. The case has a "C" cast into it, and there will be an electrical plug adjacent to the shifter shaft on the driver side of the tranny.  
  
Don't confuse the T-350C with a T-350 non-lockup tranny with a screwed-in electrical connector on the ''passenger'' side of the case. This is a pressure switch that was used ~1972-'73 for the Transmission Controlled Spark (TCS) system. This disabled the distributor vacuum advance in all gears except high gear, and is a single wire switch threaded into a pressure port near where the cooler lines are located. In the case of this switch, you can either leave it in place, unused- or remove it and plug the port.  
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Don't confuse the TH350C with a TH350 '''non'''-lockup tranny with a screwed-in electrical connector on the ''passenger'' side of the case. This is a pressure switch that was used ~1972-'73 for the Transmission Controlled Spark (TCS) system. This disabled the distributor vacuum advance in all gears except high gear, and is a single wire switch threaded into a pressure port near where the cooler lines are located. In the case of this switch, you can either leave it in place, unused- or remove it and plug the port.  
  
Only the larger Transmission / Converter companies build high stall torque converters for the T-350C because of the low demand for them.
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Hughes, TCI and Boss Hog make TH350C torque converters.
  
 
=Rebuilding the T-350=
 
=Rebuilding the T-350=

Revision as of 04:53, 26 November 2012

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