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Anyone running a Detroit True Trac diff in the 8 3/4 or Dana's? I'm ordering a new Strange 60 and looking for recommendations on what diff to use. I'm leaning torwards the true trac but I want to make sure that it will be strong enough for 750hp and a 4 speed. Likes or dislikes???

I am building a 74 Dart Sport that was originally a 318/904 car. I have installed about a 650 hp 440 with a 4 speed and dana 60. I need to have my driveshaft shortend a couple of inches. My question is, is it worth it to have it shortened or should I buy a stronger piece?