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#1 | |
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AF Newbie
Join Date: Nov 2007
Location: albuquerque, New Mexico
Posts: 42
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vacuum and compression testing 3.1L
Is there a capped off service port somewhere on the intake manifold where I can attach a vacuum gauge? If not then something I can remove and install a T fitting I guess.
I also need to compression test this engine. Any tips on how to screw a guage into the back of this engine would be greatly appreciated. I had a terrible job changing the plugs even with the engine rotated so expect to spend hours getting the gauge in one hole. Maybe the engine will move forward more than I had it. Can I leave the engine rotated forward and run the starter to do the tests or will I need to reposition the engine and dogbones? |
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#2 | |
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A990 racer
![]() Join Date: Mar 2002
Location: Chestertown, New York
Posts: 17,051
Thanks: 26
Thanked 383 Times in 374 Posts
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Re: vacuum and compression testing 3.1L
The should be a port on the engine if not use the power brake hose with a reducer to the gage. You can rock the engine and still crank it over, the rear are problematic no matter what with the gage hose making bends.
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