jeffdgale Posted March 22, 2010 Report Share Posted March 22, 2010 Hi, I have a 74 Avanti II with the SBC 400 ci. Is there an easy way to determine which Hydra-Matic I have. I'm not very transmission knowledgable so probably wouldn't know by just looking at it. Thanks. Link to comment Share on other sites More sharing options...
Gunslinger Posted March 22, 2010 Report Share Posted March 22, 2010 If you look at the transmission pan you can tell by the shape. A TH350 pan is square with one corner cut off and the TH400 is kind of irregularly shaped. Here's pics of custom pans for the two and you can see the difference. Link to comment Share on other sites More sharing options...
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