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ta23
Forums Junkie


Location:
NSW
Registered:
October 2003
icon5.gif  Boost queries Wed, 24 December 2003 06:39 Go to next message
I have a 3TGTEU in a TA23, I recently hooked up a boost gauge and it is hitting boost around 4000rpm and is running 6psi. Is this normal for a relitively standard 3TGTEU? (mods see below)

Does the EMS have anything to do with when the boost comes on and how much boost pressure the turbo is running?

Is there any small easy ways of getting boost to come on earlier?

Thanks in advance Smile

[Updated on: Wed, 24 December 2003 06:40]

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haydennz
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Registered:
June 2003
Re: Boost queries Wed, 24 December 2003 08:25 Go to previous messageGo to next message
I believe .7bar is the correct boost level, aka 7.35psi - I'd say your boost gauge is slightly inaccurate(its happened to me before, brand spanker .5/1psi out) or else you have some sort of leak somewhere perhaps.

as for boost response, with my 1 1/2" exhuast i usaully had 1-2psi at 2000rpm and full boost at 3,500 with it really hauling at 4000rpm (2nd gear) - another problem with the ct20 is cracking around the wastegate(from my experience) - I also now have a 3" exhuast which made the ct20 alot more efficent i think but the ct20 is currently RIP.

and i dont know anything about the EMS.
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ta23
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Location:
NSW
Registered:
October 2003
Re: Boost queries Wed, 24 December 2003 08:35 Go to previous messageGo to next message
hmm thats weird cause mine doesnt start to boost at all until like 3500-4000 in 2nd at full throttle

[Updated on: Wed, 24 December 2003 08:35]

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haydennz
Regular


Registered:
June 2003
Re: Boost queries Wed, 24 December 2003 08:36 Go to previous messageGo to next message
the wastegate will have cracks around it(this is in the exhaust housing) mine had minor cracks when i removed but still boosted up quite quick, its not *too* bigger job to remove the turbo so it could be worthwhile, deffinatly a problem there tho.

We are talking about the stock ct20 here arnt we?

[Updated on: Wed, 24 December 2003 08:37]

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ta23
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Location:
NSW
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October 2003
Re: Boost queries Wed, 24 December 2003 08:45 Go to previous messageGo to next message
yep stock CT20
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haydennz
Regular


Registered:
June 2003
Re: Boost queries Wed, 24 December 2003 09:32 Go to previous messageGo to next message
"twinturbo86" posted a good question in one of the other threads refering to lag.

and that was, where is the boost gauge plumbed in? (personally mine is plumbed in between the fuel cut sensor(little 2cm nub point out to the right, plumbed in wif a T) mine always pegged at 7 pound.
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ta23
Forums Junkie


Location:
NSW
Registered:
October 2003
Re: Boost queries Thu, 25 December 2003 11:50 Go to previous messageGo to next message
not too sure where it is plumbed, it is plumbed with a T-piece, I will find out more specifically where it is tommorrow.
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Fattony
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Location:
Melbourne
Registered:
May 2002
Re: Boost queries Fri, 26 December 2003 00:51 Go to previous message
Your ems could only effect boost when you are using a solonid for a high and std setting. The std setting would not be effected but the high setting can be adjusted in 500rpm increments so you can set it to come on to like e.g 20psi at 5000rpm and 6psi before that, so i dun think it is the ems causing it.
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