I'm looking to buy my first diesel truck. I checked out a '92 ex-cab Cummins with 403,000 miles and was expecting to find considerable blow by. @ idle it
was very light, had the owner bring the rpm up a bit,I'm guessing 1100 rpm .
I was surprised when I didn't feel anything coming out of the vent tube so I put my hand over it and noticed it was actually pulling a slight vacuum!
Does anyone have an explanation for this?:confused:
was very light, had the owner bring the rpm up a bit,I'm guessing 1100 rpm .
I was surprised when I didn't feel anything coming out of the vent tube so I put my hand over it and noticed it was actually pulling a slight vacuum!
Does anyone have an explanation for this?:confused:
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