Wonder why they weren't offered in a 340 car???? Or for that matter any high output mopar from the 60's - early 70's. The most strength for the dollar is 727. Eccept for a sprag and some other small parts most of your up grades can be taken from a used diesel trans. I never saw a 904 behind any big block. And I already snapped the front of the tail shaft on a launch with a stock 904 that had a converter and a valve body behind a stroker. It then exploded . They do make a ton of improvement parts for the 904 so it doesn't break. It just don't see them cost effective for a couple tenths on a bracket/street stroker car. But the small 727 is getting scarce. I guess i'll be keeping all of mine. But like I said guys that go with 904s usually don't have a 727 so they use what they have. Or they are looking for a little quicker ET. Otherwise it doesn't pay to take the chance.
