Quote:
Originally Posted by bigblockv6
GMC never posted Torque or any horsepower figures for the DT478, it be interesting if those could be found 
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Good question. It is as if GMC was testing the DT478 in the Army buses, maybe they were not sure how much boost it could stand. This was all before the ToroFlow II came out, so it was right during the time GMC was having issues with the ToroFlows.