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53 Hatt, with two 12V71 TTIs, Started getting oil out of the Airsep catch tank that drains the blower boxes. I just pulled the turbo discharge pipes to the blowers off and I am not getting any oil leaking from the Turbo seals so I suspect that a blower seal may have given out. I am getting about...

My 53 hat convert. weighs in at 84000 lbs. I have 12-71 TTIs dyno at 740 hp each. speed is down to about 18 knots at 2000 rpm. Its a 74 model so I know we are never going to get speed out the boat. Has anyone ever tried running the wheels turning inboard over the top? I own several tugs and by...