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going to run more boost... are these guages accurate?

inark

By inark,
in General Automotive Discussion

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inark Grand Master

inark

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also i want one of those apillar (i think thats the a pillar) guage holders... anyone know where i can buy one online? cheapest ive found so far is 120

XCUZME Experienced

XCUZME

Posted
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You sure about that cereal_jacques?

Autospeed had a gauge test a while ago and autometer did not fair too well.

I dunno, i'm changing to an apexi gauge because im not 100% on the accuracy. If i'm 0.01psi over 12 im going to start pinging even though i cant hear it, so i need accuracy.

uLa32 Proficient

uLa32

Posted
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uas (www.nismo.com.au) or jms (www.japanesemotorsport.com.au) have some... approx 70 bux for dble.

dunno if its a good idea if you want to get those pillar thingies tho... coz i used to have one (a double) to fit my oil press and boost gauge and it made a bit of a blind spot. not so bad but still annoying. and of course the probs with cops. ended up getting rid of it.

check out my pic. all i did was just buy the cup and bracket set (mines a 2" gauge) and used the existing screw to put it into place. crappy pic... will take better ones in the morn.

nice and stealth... well almost... and not easily seen from the outside.

Originally posted by inark

also i want one of those apillar (i think thats the a pillar) guage holders... anyone know where i can buy one online? cheapest ive found so far is 120

inark Grand Master

inark

Posted
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cool... i want it somewhere where i can see it quickly at a glance so if im caning it i can see it without taking my eye off the rd too much... doesnt the steering wheel get in the way?

uLa32 Proficient

uLa32

Posted
Posted

steering wheel *just* out of range. depends on where you put your hands tho. if your left hand holds your wheel at the 9 o'clock pos then yes. but if your left hand is on the gear knob, your right hand on the 12 o'clock pos and your leaning towards the middle then you will see it no probs! :D

mine's only an oil press gauge tho, so i only glance at it now and then...

inark Grand Master

inark

Posted
  • Author
Posted
Originally posted by uLa32

steering wheel *just* out of range. depends on where you put your hands tho. if your left hand holds your wheel at the 9 o'clock pos then yes. but if your left hand is on the gear knob, your right hand on the 12 o'clock pos and your leaning towards the middle then you will see it no probs! :D

mine's only an oil press gauge tho, so i only glance at it now and then...

lol

cereal Veteran

cereal

Posted
Posted
Originally posted by XCUZME

You sure about that cereal_jacques?

Yeah.....

Autometer are used for all the US drag cars.

It's obviously not gonna be as accurate as an electronic boost gauge, but it's a hell of alot better than splitfire or one of the other cheaper brands.....

Gradenko Mentor

Gradenko

Posted
Posted

A distributer once told me that Splitfire and Autometer are made at the same factory. Makes sense considering how similar Splitfire guages look to the ultralite series. In any case, I wouldn't trust any automotive guage to set boost pressure. Most of these are for interior decorating, not as a precision measuring tool. If you care for your ride, take it to a dyno and let them set boost level.

I've been through this my self when trying to set boost pressure. Guage read 12psi but I was getting a boost cut, and that only occurs at 14psi+.

Jay95R33 Grand Master

Jay95R33

Posted
Posted

I've got 2 VDO 52mm gauges in my A pillar mount and theres almost zero blind spot caused by it. I know the 60mm gauges do cause a bit of a blind spot. Theres only 8mm difference, but to look at them in a A pillar holder the difference looks massive.

The one I have, both gauges are behind the line of the steering wheel (if you know what I mean).....

I too went with VDO, they are standard equipment for a lot of Eurpoean cars and have good backup service.

I had to send my oil temp gauge back because the capilory was a little too short, they exchanged it without a question.

I can take some picies if you want to see them :)

J

adam 32 Grand Master

adam 32

Posted
Posted

dinesh: i dont think thats a good idea. boost pressure set on the dyno can differ from the road. for example my car was set at 14psi, get it out on the road and its nudging 1.1 bar (15.9psi)

i personally think a good guage is the best way to go. it tests the car under road conditions. the same conditions it is exposed to every day

inark Grand Master

inark

Posted
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thats ok im going to get it dynoed anyways as im doing a case by case report for all my mods which im puting on my page... with all the dyno sheets and basically a bang for buck type report

Gradenko Mentor

Gradenko

Posted
Posted
Originally posted by adam 32

for example my car was set at 14psi, get it out on the road and its nudging 1.1 bar (15.9psi)

Was it set at 14psi using the dyno operators guage? Cause that kinda examplifies the inaccuracies in gauges I was talking about.

But otherwise, yeah, boost levels change under different loads or in different gears. Its the trade off we pay for using pneumatic control. Personally, I'm not too worried about a psi or 2 of creep in higher gears. By that time, the car would be pushing enough air thtough the cooler to cool down any extra heat from the turbo.

The fact remains, most guages are should be considered inaccurate until proved otherwise by testing. Still, they are useful for monitoring extremes changes in pressure.

Guilt-Toy Grand Master

Guilt-Toy

Posted
Posted

I dont care what anyone says and that is pillar gauges do stuff with your vision and it is a pain in the arse..

once you get used to it if you move your head around them you can see everything..

So i have adjusted to them.. sometimes i hit my hand on them when palming the steering wheel

Another reason why the police book you for them is because in a accident you can hit them with your head (OUCH) But sir i have a AIR BAG :)

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