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Model specific boards => Golf mk4 => Topic started by: gtirobbie on 24 September 2011, 18:02

Title: 1.8t boost pressure
Post by: 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
Title: Re: 1.8t boost pressure
Post by: RTechUK 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
Title: Re: 1.8t boost pressure
Post by: 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!
Title: Re: 1.8t boost pressure
Post by: daz veedub 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 ?
Title: Re: 1.8t boost pressure
Post by: gtirobbie on 25 September 2011, 08:47
I'm fitting the gauge today so will post up what boost it's making once fitted
Title: Re: 1.8t boost pressure
Post by: gtirobbie 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?
Title: Re: 1.8t boost pressure
Post by: Wazzzer on 01 October 2011, 13:28
seems a bit low, this weather won't be helping though
Title: Re: 1.8t boost pressure
Post by: gtirobbie on 01 October 2011, 17:18
Once upto temperature it's bang on 0.5 bar, so is this about rightish?
Title: Re: 1.8t boost pressure
Post by: Big Tone 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?
Title: Re: 1.8t boost pressure
Post by: gtirobbie 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??
Title: Re: 1.8t boost pressure
Post by: Wayne on 02 October 2011, 20:47
Quote from: gtirobbie 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??

Try it in 3rd or 4th  :smiley:
Title: Re: 1.8t boost pressure
Post by: gtirobbie on 02 October 2011, 20:51
Cool will do, cheers
Title: Re: 1.8t boost pressure
Post by: gtirobbie on 03 October 2011, 10:29
Right I tried it in 3rd and 4th this morning and it's actually just under 0.5 bar, does this seem a bit low?
Title: Re: 1.8t boost pressure
Post by: porter_89 on 03 October 2011, 11:57
thats standard power aint it

cheers
Title: Re: 1.8t boost pressure
Post by: porter_89 on 03 October 2011, 12:04
mines hitting 1.38bar atm wanting more tho with this super turbo nick is building lol
Title: Re: 1.8t boost pressure
Post by: Big Tone on 03 October 2011, 13:35
Quote from: porter_89 on 03 October 2011, 11:57
thats standard power aint it

cheers

Yep,
Title: Re: 1.8t boost pressure
Post by: porter_89 on 03 October 2011, 15:41
Sorry mate you aunt got a remap get it dine tho
Title: Re: 1.8t boost pressure
Post by: gtirobbie on 03 October 2011, 15:48
Yeah I will do, does it make a noticible difference? Anything else I should uprate at the same time?
Title: Re: 1.8t boost pressure
Post by: porter_89 on 03 October 2011, 20:48
Right it will make a massive difference night and day lol
Updated parts
Silicone tip turbo intake pipe
Forge 007p.diverted valve yellow spring
Full turbo back exhaust
Updated panel filter smoothed air box or cai cold air induction
Them.the.remap mate and after new brakes

Cheers
Title: Re: 1.8t boost pressure
Post by: Wayne on 03 October 2011, 20:58
Quote from: gtirobbie on 03 October 2011, 15:48
Yeah I will do, does it make a noticible difference? Anything else I should uprate at the same time?

Yes night and day difference
Title: Re: 1.8t boost pressure
Post by: gtirobbie on 03 October 2011, 21:18
That's great stuff, thanks for the advice and info!