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Author Topic: 1.8t boost pressure  (Read 12578 times)

Offline gtirobbie

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1.8t boost pressure
« on: 24 September 2011, 18:02 »
I've just today bought a boost gauge for my 1.8t (agu) to see what boost it's running as it's apparently been mapped, so was wondering what bar boost it should be running if it has been mapped or what it would be if it hasn't, it's a standard car no induction kit etc. Any info would be great
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Offline RTechUK

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Re: 1.8t boost pressure
« Reply #1 on: 24 September 2011, 18:09 »
Quote from: gtirobbie on 24 September 2011, 18:02
I've just today bought a boost gauge for my 1.8t (agu) to see what boost it's running as it's apparently been mapped, so was wondering what bar boost it should be running if it has been mapped or what it would be if it hasn't, it's a standard car no induction kit etc. Any info would be great

Hello,

Depending on who mapped it and in what manner they mapped it you will see around 14.5psi / 1bar of boost from a good spec1 remap,  I strong spec1 remap will see around 18/19psi /1.3bar peak boost which will tail to around 14.5psi.

Nick
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Offline gtirobbie

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Re: 1.8t boost pressure
« Reply #2 on: 24 September 2011, 18:53 »
Hi thanks for that, I'm not sure who mapped it as I have no proof, I'm not that convinced that it has been as it doesn't feel any quicker than a standard one to me and I assume it should!
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Offline daz veedub

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Re: 1.8t boost pressure
« Reply #3 on: 24 September 2011, 21:39 »
Quote from: gtirobbie on 24 September 2011, 18:53
Hi thanks for that, I'm not sure who mapped it as I have no proof, I'm not that convinced that it has been as it doesn't feel any quicker than a standard one to me and I assume it should!

what is it gettin ?
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Offline gtirobbie

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Re: 1.8t boost pressure
« Reply #4 on: 25 September 2011, 08:47 »
I'm fitting the gauge today so will post up what boost it's making once fitted
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Offline gtirobbie

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Re: 1.8t boost pressure
« Reply #5 on: 01 October 2011, 13:21 »
Right I finally connected up the boost gauge and on full throttle is making just under 0.5 bar boost so I assume it hasn't been mapped? Is this about right though for a standard 1.8t?
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Offline Wazzzer

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Re: 1.8t boost pressure
« Reply #6 on: 01 October 2011, 13:28 »
seems a bit low, this weather won't be helping though
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Offline gtirobbie

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Re: 1.8t boost pressure
« Reply #7 on: 01 October 2011, 17:18 »
Once upto temperature it's bang on 0.5 bar, so is this about rightish?
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Offline Big Tone

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Re: 1.8t boost pressure
« Reply #8 on: 02 October 2011, 16:54 »
Quote from: gtirobbie on 01 October 2011, 17:18
Once upto temperature it's bang on 0.5 bar, so is this about rightish?

0.5 bar = just above 7psi

Standard boost 7-8 psi..............its not mapped or you are in limp mode! :grin:

Any codes/fluctuation in boost at first?

Oh, and you are in 3rd/4th when you do a WOT run aren't you?
« Last Edit: 02 October 2011, 16:59 by Big Tone »
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Offline gtirobbie

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Re: 1.8t boost pressure
« Reply #9 on: 02 October 2011, 20:30 »
Theres no fault codes coming up, so that is about right for a standard car? Think it was actually in 5th when I tried it??
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