Ok, thanks for your response. I understand that I should be able to get 200+ ft lbs of torque, but for only a short period of time. I will lose force as I lose air pressure. That's what I thought, but I couldn't get the wrench to work right, so I started to question. The hose is 25 ft and I think 3/8 ", but it could be 1/4". I'm not sure what you mean by hooking a pressure gauge up between the tool and the tank. Should I tee off right at the tool? I'm not sure how to do this - I think I understand the why, but not sure how to set it up. Thanks.

Ryan

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RG Newell

1984 300D
1972 250
1986 560SL
1991 300CE