340 rear main seal leak/gush

So my buddy recently refreshed his motor due to a cam change which included removing the crank assembly(67 Cuda 340 auto), upon reassembly he replaced the rear main seal of course. He also installed a higher stall torque converter, I only mention it because it was a change and probably unrelated to the leak. So he fires it up and drives it to my house a few blocks away(lets not talk cam break in right now :) ) and while bringing the revs up and holding them, a river of oil starts running...

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Author: admin