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68Stepbed · 11-22-2010, 09:52 AM

A TH350 has a different yoke, the trans x-member will need to be moved, and it's usually a different length, depending on which TH350 tailshaft you end up with. If I were spending the money, I would go for the OD. The lower first gear will help with overall pickup speed and the OD will help with freeway speeds.

11-22-2010, 09:52 AM	#7
68Stepbed Registered User Join Date: Mar 2005 Location: 10-Uh-See Posts: 5,609	Re: th400, th350, or 700r4 A TH350 has a different yoke, the trans x-member will need to be moved, and it's usually a different length, depending on which TH350 tailshaft you end up with. If I were spending the money, I would go for the OD. The lower first gear will help with overall pickup speed and the OD will help with freeway speeds. __________________ Matt 68 C10 stepside, LS1/700R4, TCI Engineering suspension system