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I need to do a compression test for a marine survey on a 671. How do you do this. Ive got 35 years in heavy duty and I never had to do this. They usually screamed or they didn't.
If you cant convince them inspecting the liners and pistons through the blower box drains is better then get buisy and pull the injectors. When I have to do something as absolutly stupid like this I usually go get a photocopy of the manual from my local Detroit Dealer Good Luck
email Tim Mang
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