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Boost gauge going mad,, any ideas

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Old 04 May 2012, 07:12 PM
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addi monster
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Default Boost gauge going mad,, any ideas

Today i installed a boost gauge to my bug wrx, i teed of the inlet mani in the correct place, when i hit full boost the needle wavers back and forth like lightning lol, i have been told the t peace needs i restrictor in it ?? in damn sure i have never done this before, any ideas chaps
Old 04 May 2012, 07:25 PM
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r1c
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That's correct, you need a restriction in the vac line. Good quality gauges usually have them built in
Old 04 May 2012, 07:37 PM
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thanks for that fella, where can i buy one ? lol,
Old 04 May 2012, 08:24 PM
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Just tighten a cable tie around the pipe that feeds the gauge. All it needs is the tinyest hole to move the needle , mine did the same. Alternativly u can fill the tee peice with resin and drill a tiny hole. Cable tie is the easy fix
Old 04 May 2012, 08:34 PM
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cheers, i will have a bash tomorrow,
Old 04 May 2012, 09:36 PM
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It's the same principle as the restrictor 'pill' in the actuator vac pipe, the vacuum from the engine is very unstable it is just a case of forcing it though a small hole.

Good idea with the Resin in the pipe, I might try that. I'm not fussed about the needle movement but my gauge rattles like buggery!!!
Old 04 May 2012, 09:38 PM
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Does you car make enough boost to warrant a gauge?
Old 04 May 2012, 09:47 PM
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addi monster
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Originally Posted by r1c
It's the same principle as the restrictor 'pill' in the actuator vac pipe, the vacuum from the engine is very unstable it is just a case of forcing it though a small hole.

Good idea with the Resin in the pipe, I might try that. I'm not fussed about the needle movement but my gauge rattles like buggery!!!
Mine sounded like a tappet rattle, (shat mi sen) until i worked out what it was
Old 04 May 2012, 09:47 PM
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CharlySkunkWeed
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Originally Posted by r1c
It's the same principle as the restrictor 'pill' in the actuator vac pipe, the vacuum from the engine is very unstable it is just a case of forcing it though a small hole.

Good idea with the Resin in the pipe, I might try that. I'm not fussed about the needle movement but my gauge rattles like buggery!!!
thats why i did mine , rattles drive me mad ! Still does it a bit , but definatly not as bad.

The problem with the resin is trying to drill a hole small enough.
Old 04 May 2012, 09:48 PM
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addi monster
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Originally Posted by jayallen
Does you car make enough boost to warrant a gauge?
Ahhh gayallen you know nothing of my new build spec do you
Old 04 May 2012, 09:55 PM
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Originally Posted by addi monster
Ahhh gayallen you know nothing of my new build spec do you
I do, your mrs let the cat out the bag the other night...just before she let the snake out from its lair....
Old 04 May 2012, 09:57 PM
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Originally Posted by jayallen
I do, your mrs let the cat out the bag the other night...just before she let the snake out from its lair....
At this point i would just like to remind all SN users who mr GAYALLEN is,.


Old 04 May 2012, 10:01 PM
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i still would !
Old 04 May 2012, 10:05 PM
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jayallen
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The disturbing thing is, thats not only his desk top photo its his new w@nk material...


Nice **** tho...
Old 04 May 2012, 10:36 PM
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ssshhhhhh
Old 06 May 2012, 11:40 AM
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mig welding tip in the pipe.
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