How to hook up a vacuum guage?
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Captain
Joined: Jun 2011
Posts: 679
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Towards the bow? Lol but I got it hooked up and I'm reading 16 at idle. Should I run around my engine with some carb cleaner or water or just assume the low vacuum is from a 143,000 miles and a $15 guage
Grand Champion
Joined: Apr 2010
Posts: 5,011
Likes: 6
From: Meeker, CO
I'd want to verify with a more betterer gauge before working on the thing, anyway.
Grand Champion
Joined: Apr 2010
Posts: 5,011
Likes: 6
From: Meeker, CO
Really? I'm accustomed to seeing 17-20" out of engines like these at sea level, and get a very solid, consistent 13" on my 5.9l here at 6300'. Hmm. Color me puzzlecated.
Legend
Joined: May 2005
Posts: 8,663
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From: Central Oklahoma
Grand Champion
Joined: Apr 2010
Posts: 5,011
Likes: 6
From: Meeker, CO
That may well be true, but Denver's a good long way from here. 
Just for giggles I went out and checked again to make sure I wasn't hallucinating on Saturday when I saw 13" with the old beast at normal operating temperature. Right after cold start (hasn't been moved since before sunrise) and a few seconds before going closed loop I saw a needle-width over 12":
It's a mite fuzzy but neither the camera nor the operator were under the influence of wobbly pops.
Just for giggles I went out and checked again to make sure I wasn't hallucinating on Saturday when I saw 13" with the old beast at normal operating temperature. Right after cold start (hasn't been moved since before sunrise) and a few seconds before going closed loop I saw a needle-width over 12":
It's a mite fuzzy but neither the camera nor the operator were under the influence of wobbly pops.
Retired Moderator - RIP
Joined: May 2008
Posts: 18,729
Likes: 17
From: NH
That may well be true, but Denver's a good long way from here.
Just for giggles I went out and checked again to make sure I wasn't hallucinating on Saturday when I saw 13" with the old beast at normal operating temperature. Right after cold start (hasn't been moved since before sunrise) and a few seconds before going closed loop I saw a needle-width over 12":
It's a mite fuzzy but neither the camera nor the operator were under the influence of wobbly pops.
Just for giggles I went out and checked again to make sure I wasn't hallucinating on Saturday when I saw 13" with the old beast at normal operating temperature. Right after cold start (hasn't been moved since before sunrise) and a few seconds before going closed loop I saw a needle-width over 12":
It's a mite fuzzy but neither the camera nor the operator were under the influence of wobbly pops.
