Its a factory turbo diesel so the return is into the block. Its having injection pump stress, thats what the smoke is. I'm pretty sure the front seal is bad and its sucking air. We have a couple other pumps around. We are going to swap it out here shortly. I'm puting my clutch in today FINALLY so we should be back to the track with TWO volvo diesels tearing up the quarter mile for the first time in the history of Gateway Raceway here in St.Louis!!
Jason
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