It may fit, (if you can figure a way to mate the engine to the transmission), but you still won't be gaining very much. Remember you're dealing with a front-wheel driven car, so a V8 swap is out of the question. If you want to spend thousands of dollars, you can buy a whole bunch of different speed equipment for your stock 3100. (But you'll still be at the mercy of a good small block V8 powered anything!!) Good luck!
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