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Is this boost gauge good?

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Old 03-29-04, 11:48 PM
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Is this boost gauge good?

I just got my d-series boost gauge.

But it doesn't point to 0 psi.

Is it normal?
Old 03-29-04, 11:48 PM
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its broken, return it for an exchange
Old 03-29-04, 11:58 PM
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Yeah, that sucks, my old boost gauge used to do that, I have issues with gauges. I ended up selling mine and just use my commander, no gauges whatsoever.

Last edited by Garrett; 03-30-04 at 12:03 AM.
Old 03-29-04, 11:58 PM
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That's a good boost gauge. Just that the one you got is broken. exchange it for a new one.
Old 03-30-04, 12:13 AM
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Don't you have to apply power to those for them to go to 0 psi?
Old 03-30-04, 12:15 AM
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is that the electronic or mechanical one? i thought it was the mechanical but if im wrong and it is the electronic put some power to it and see what happens
Old 03-30-04, 12:15 AM
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Its dead alright
Old 03-30-04, 12:47 AM
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You scared me! I just got my Defi D boost gauge too and I went to to check it after I read your post since I'd waited over 2 months for it to come in. *Whew*, right at 0.

Old 03-30-04, 02:55 AM
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The mail man probably dropped the package hard. I remember dropping a mechanical boost gauge and the needle moved away from zero. I tapped the gauge on the floor to move the needle back to "0" and the gauge worked perfectly. I tested it against 2 other gauges and it was just as accurate. That gauge still reads good and I "fixed" over a year ago.

Is your gauge mechanical or electric? The electric ones dont go to zero when theres no power. If its electric, try hooking up the power for it and see what happens. Defi gauges test themselves on startup for any errors. Otherwise just exchange it.
Old 03-30-04, 05:52 AM
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Ouch. That's way off.

Unless... have your ears been popping lately? :

For those asking, Defi's d-series boost gauges are mechanical. Many who sell them assume they're electric like the Link series are.
Old 03-30-04, 07:53 AM
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Thumbs down

Take a look at my D series



I called RX7 store and asked about it when I first got it and they said its normal for it to be like that when the car is off.

Is there anyway to fix this? Does tapping it work. Because I do notice its a bit off comapred to my Spec II boost controller.

Mitch
Old 03-30-04, 10:53 AM
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mine is a wee bit off too but not as bad as those shown here. I bought defi because I thought it was supposed to be one of the more quality gauges available.
Old 04-02-04, 11:51 AM
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most electronic gauges can be adjusted, not sure about defi, but the blitz one is.
Old 04-02-04, 12:13 PM
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It has to read higher than zero, no? There's atmospheric pressure that should make it register above zero, provided it's a mechanical guage. I'm at work, I'll check mine when I get home.
Old 04-02-04, 12:15 PM
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It has to read higher than zero, no? There's atmospheric pressure that should make it register above zero, provided it's a mechanical guage. I'm at work, I'll check mine when I get home.
Old 04-02-04, 12:18 PM
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Originally posted by InsaneGideon


For those asking, Defi's d-series boost gauges are mechanical. Many who sell them assume they're electric like the Link series are.
thats sucks. who makes a nice electonic gauge that measures psi instead of bar then. i thought this was gonna be the one.

steve
Old 04-02-04, 12:37 PM
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Originally posted by prew
thats sucks. who makes a nice electonic gauge that measures psi instead of bar then. i thought this was gonna be the one.

steve
The Defi Link series are all electronic gauges with peak/hold, warning, and over a minute of recording. Most of them are available in english units.
Old 04-02-04, 12:38 PM
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you get used to bar... I have the blitz dc gauge and LOVE it... i have it suction cupped to my window... ill post a pic, its really neat!
Old 04-02-04, 01:45 PM
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Originally posted by gcthree
It has to read higher than zero, no? There's atmospheric pressure that should make it register above zero, provided it's a mechanical guage. I'm at work, I'll check mine when I get home.
Well, 0 should technically read at 29.93inHG. If it's higher, then it will read higher.

At 2 PSI, it should be about 4inHG higher. I doubt you're at 33inHG there. You're probably off.

This was discussed in another thread. I can't remember where.
Old 04-02-04, 02:01 PM
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Never had a problem with my Autometer :P
Old 04-03-04, 12:41 AM
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Originally posted by rynberg
The Defi Link series are all electronic gauges with peak/hold, warning, and over a minute of recording. Most of them are available in english units.
Really? I have never seen them in english units. I'll have to check them out. Thanks Alot.

Steve Prew
Old 04-03-04, 02:02 AM
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Originally posted by Sprockett
Never had a problem with my Autometer :P
your lucky... my autometer is messed up (nitrous gauge).. and just about every autometer boost gauge i have seen has been about 2 psi off.
Old 04-03-04, 04:47 AM
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prew: http://66.216.67.51/productgroup.asp?33=38
Take your pick. Since you're shopping, the Link series has green backlighting only, but that's the only drawback when comparing the two (and price).



BTW, it's been said a million times before, but I'll say it again to alleviate any hypochondriasis. A *little* variance in the "zero point" is acceptable since the local air pressure varies by elevation & temperature. In the extreme case, say 1000ft below sea level and 0 degF out, you'll only see ~15.3psi absolute, so the gauge would show only .6 psi. Of course, analog gauges, even the ones that pretend to have a fully linear scale have an inherent error that varies depending on the current value.

The ~1psi on mitch's and ~3.5psi on pjh97's (especially) look out of spec though. Sorry guys.




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