Car is Over Boosting, why??

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Old Mar 7, 2003 | 10:26 PM
  #1  
dc2pffsssttt's Avatar
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From: NJ, USA
Default Car is Over Boosting, why??

We finished the turbo install, but theres a problem. The wastegate is supposed to run 6-7 psi right? Its boosting at 11. What could be the problem with that??
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Old Mar 7, 2003 | 10:44 PM
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From: tx
Default Re: Car is Over Boosting, why?? (dc2pffsssttt)

maybe a vaccum leak. check your lines.
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Old Mar 7, 2003 | 11:08 PM
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T3
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Default Re: Car is Over Boosting, why?? (dc2pffsssttt)

Internal or external? What turbo?
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Old Mar 8, 2003 | 07:33 AM
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dc2pffsssttt's Avatar
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Default Re: Car is Over Boosting, why?? (T3)

its an external wastegate (Deltagate), on a t3/t4 turbo.
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Old Mar 8, 2003 | 07:37 AM
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Default Re: Car is Over Boosting, why?? (dc2pffsssttt)

you could have a different spring in there beside the 6-7psi one....my buddy had a 35psi spring in his, even though it still said 7 on the outside...
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Old Mar 8, 2003 | 10:33 AM
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nonvtec allmotr's Avatar
 
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From: balto, md, usa
Default Re: Car is Over Boosting, why?? (dc2pffsssttt)

its an external wastegate (Deltagate), on a t3/t4 turbo.
...Thats prolly your problem right there... i hated my deltagate it boost krept soooooooooo bad -LSiTurbo


[Modified by nonvtec allmotr, 7:34 PM 3/8/2003]
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Old Mar 8, 2003 | 11:58 AM
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Default Re: Car is Over Boosting, why?? (Tinker219)

you could have a different spring in there beside the 6-7psi one....my buddy had a 35psi spring in his, even though it still said 7 on the outside...
ouch 35 psi?
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Old Mar 8, 2003 | 12:05 PM
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Default Re: Car is Over Boosting, why?? (dc2pffsssttt)

its an external wastegate (Deltagate), on a t3/t4 turbo.
Those wastegates are famous for boost spiking. Get yourself a tial wg instead.

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Old Mar 8, 2003 | 08:54 PM
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Default Re: Car is Over Boosting, why?? (boostedsol)

i havent had any problems with the deltagate yet, but the tial is a much better wg.
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