well i recently burned up the 700r4, and being broke i had no other choice than to put in the turbo 350 i have in the shop. the b&m kit is not really that great the instructions are vague but its almost done will let yall know how it goes

 

finished it today, it wasnt really that bad and it runs good. the tires break loose easier than with the 700r4

 

700R4 has a deeper first gear, so unless the TH350 has a much larger stall than the 700R4 it's all in your head.