1975 duster K member

William R Allvord said

So the K member is bent,it was originally a 6 cylinder and previous owner put a 318 with conversion mounts. Should have mentioned I just bought the car. My question is should I go back with a stock 6 cylinder K member or get a stock small block one? Not sure what kind of can of worms I'm opening here

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Since you already have the conversion mounts, you'll be fine with another '73-'76 slant 6 K member. If you find a V8 K member, make sure you get the factory engine brackets with it to save yourself the trouble of hunting them down. It all comes down to where you find the best deal. Either way, you're replacing a K frame, same amount of work with either one.