Boost gauge?
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Senior User
Joined: Mar 2010
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From: Harrisburg NC
Boost gauge?
So i got this boost gauge hooked up sorta and just wanted to see if it worked and it showed like 3 pounds of boost hammered. I went through tightened the fittings and teflon taped them and still the same thing. It may have been slightly leaking in one spot but would it cause it to read such low boost? or do i probably have a leak somewhere in the engine
Thread Starter
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Senior User
Joined: Mar 2010
Posts: 330
Likes: 0
From: Harrisburg NC
I tapped into the map sensor. The fittings were compression except one i think that was the problem. I was trying to see if the gauge was working i still need to find one for that last spot.
Postmaster
Joined: Dec 2008
Posts: 3,340
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That's probably your problem. If the tubing is 1/8 inch you'll need a 1/8 inch sleeve and not sure what size of compression nut. I got some 1/8 sleeves from o'rieleys so you should be able to get the nut there or go to a hardware store. Mine came with a kit but you got your gauges used.
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Cargo Master
Joined: May 2010
Posts: 3,047
Likes: 10
From: Snohomish, WA
So i got this boost gauge hooked up sorta and just wanted to see if it worked and it showed like 3 pounds of boost hammered. I went through tightened the fittings and teflon taped them and still the same thing. It may have been slightly leaking in one spot but would it cause it to read such low boost? or do i probably have a leak somewhere in the engine
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Post Fiend
Joined: Feb 2008
Posts: 10,977
Likes: 5
From: Lancaster, Pa.
Maybe a dumb question, but you were driving right? Not sitting in the driveway in park? You will make very little boost just sitting with no load on the engine. I have seen many people put in a boost gauge and wonder why they don't show boost, then I find out they are just revving up the engine.
Cargo Master
Joined: Apr 2009
Posts: 2,135
Likes: 0
From: Man Cave
Maybe a dumb question, but you were driving right? Not sitting in the driveway in park? You will make very little boost just sitting with no load on the engine. I have seen many people put in a boost gauge and wonder why they don't show boost, then I find out they are just revving up the engine.
Post Fiend
Joined: Feb 2008
Posts: 10,977
Likes: 5
From: Lancaster, Pa.
LOL, just got that now
Cargo Master
Joined: May 2010
Posts: 3,047
Likes: 10
From: Snohomish, WA
I had a gauge that would always read 3 psi when installed, drove me nuts. Out of the pod it would read 0, slid it in the pod and 3 psi. Found it was the LED bulb that I was using was the issue, swapped to a different bulb and boom...read normal. Thought I was going insane for a bit!
Post Fiend
Joined: Nov 2007
Posts: 9,549
Likes: 14
From: Payson, AZ
The boost gauge can easily be tested with a compressor, just don't use pressure that exceeds the limit of the gauge. Even a good strong stroke with a bicycle pump will show if the gauge works.