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Author Topic: Boost gauge reads 0 at idle.  (Read 4138 times)

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Offline Jordan_J

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Boost gauge reads 0 at idle.
« on: February 20 2011, 11:41:17 AM »
I started my car yesterday for the first time in a couple months and as the title stated it read 0 vac/boost. Could this be a vacuum leak or is the gauge messed up?
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87 Turbo T - 4.1 484 block bored .030 over, Champion ported irons with ported intake, RJC power plate, Elgin 214/224 cam, 6776 turbo with RJC boost controller, stretched SLIC, 3\" THDP, Pypes dual exhaust, 4\" MAF pipe with 14\" K&N and Z06 MAF, 60# Mototrons, hot wired Walbro 340 with KB-BAP, Translator Gen 2 and Extender Extreme chip, Mike Kurtz built 200-4r, PPC 3200 stall, UMI upper and lower control arms, passenger side airbag, any hydroboosted.

20# Boost at 20* timing on 93 octane. No track times yet.

Alky install in progress.

DCEPTCN

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Re: Boost gauge reads 0 at idle.
« Reply #1 on: February 20 2011, 12:24:34 PM »
Does it appear to be accurate under boost? My car always had shitty vacuum, but 0 seems more like a gauge issue to me.
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Offline Wrecked Em

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Boost gauge reads 0 at idle.
« Reply #2 on: February 20 2011, 01:08:19 PM »
I would check for a vacuum leak.
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Offline Jordan_J

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Re: Boost gauge reads 0 at idle.
« Reply #3 on: February 20 2011, 02:31:32 PM »
Quote from: "DCEPTCN @ Sun Feb 20, 2011 12:24 pm"
Does it appear to be accurate under boost? My car always had shitty vacuum, but 0 seems more like a gauge issue to me.


I haven't taken it out for a spin yet, hopefully this week. It was the first time I started it since doing all my work and I'm trying to work some bugs out. My brakes weren't working when I started it or I would have gone for a small drive.


Quote
I would check for a vacuum leak.


Thanks I'll check for a vacuum leak.
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87 Turbo T - 4.1 484 block bored .030 over, Champion ported irons with ported intake, RJC power plate, Elgin 214/224 cam, 6776 turbo with RJC boost controller, stretched SLIC, 3\" THDP, Pypes dual exhaust, 4\" MAF pipe with 14\" K&N and Z06 MAF, 60# Mototrons, hot wired Walbro 340 with KB-BAP, Translator Gen 2 and Extender Extreme chip, Mike Kurtz built 200-4r, PPC 3200 stall, UMI upper and lower control arms, passenger side airbag, any hydroboosted.

20# Boost at 20* timing on 93 octane. No track times yet.

Alky install in progress.

Offline Steve Wood

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Boost gauge reads 0 at idle.
« Reply #4 on: February 20 2011, 03:38:46 PM »
does it move at all?...as the others said, sounds like the hose is cut or disconnected
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Steve Wood

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A lot of broken parts does not make you a racer; it makes you a slow learner.

Offline Jordan_J

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Re: Boost gauge reads 0 at idle.
« Reply #5 on: February 21 2011, 06:29:10 PM »
I got it fixed there was a kink in the line going up to the gauge under the dash. I'm not really sure how it got there but sure enough the little bit of slack I had under there kinked.
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87 Turbo T - 4.1 484 block bored .030 over, Champion ported irons with ported intake, RJC power plate, Elgin 214/224 cam, 6776 turbo with RJC boost controller, stretched SLIC, 3\" THDP, Pypes dual exhaust, 4\" MAF pipe with 14\" K&N and Z06 MAF, 60# Mototrons, hot wired Walbro 340 with KB-BAP, Translator Gen 2 and Extender Extreme chip, Mike Kurtz built 200-4r, PPC 3200 stall, UMI upper and lower control arms, passenger side airbag, any hydroboosted.

20# Boost at 20* timing on 93 octane. No track times yet.

Alky install in progress.

DCEPTCN

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Re: Boost gauge reads 0 at idle.
« Reply #6 on: February 22 2011, 04:54:11 AM »
Quote from: "Jordan_J @ Mon Feb 21, 2011 4:29 pm"
I got it fixed there was a kink in the line going up to the gauge under the dash. I'm not really sure how it got there but sure enough the little bit of slack I had under there kinked.
With Buicks the problem is ALWAYS a simple and stupid fix...or a catastrophic failure. Enjoy!
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Offline Just a Six?

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Re: Boost gauge reads 0 at idle.
« Reply #7 on: February 26 2011, 02:34:59 PM »
Quote from: "Jordan_J @ Mon Feb 21, 2011 6:29 pm"
I got it fixed there was a kink in the line going up to the gauge under the dash. I'm not really sure how it got there but sure enough the little bit of slack I had under there kinked.


Thats why I use Copper lines.
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David
87 LTD. Purchased May 88
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Runs 11.50 on 21 lbs with my old style 67 Q Trim & Alchy
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