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Old 16-10-2008, 11:00 PM
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Default Boost PSI for standard WRX My98
Standard boost for My98?
Last edited by HSMF; 24-07-2015 at 07:20 PM.
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Old 16-10-2008, 11:03 PM
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11psi and max you should go is 2 psi more

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Old 16-10-2008, 11:22 PM
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i think its more then 11psi
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Old 17-10-2008, 10:37 PM
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Quote:
Originally Posted by coolgavin97
Hi guys,
Could anyone tell me what is the standard boost PSI for My98 WRX? And what is the safe boost if I want to boost up. The only mod I have is the intake and exhaust.
Thanks!
I had a MY98 with exactly the same mods as you and my boost gauge read 14.5psi
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Old 17-10-2008, 11:21 PM
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i think the standard for a my98 is 13.5 psi
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Old 18-10-2008, 10:06 AM
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Quote:
Originally Posted by mr_psi
i think the standard for a my98 is 13.5 psi
And you would know.... Mr psi....
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Old 18-10-2008, 12:47 PM
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its just under 1 bar 14.3 psi or something very close
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Old 18-10-2008, 04:32 PM
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Hi Prodigy, did your WRX running the standard boost at 14.5psi? or did you boost up already? If 14.5psi is the standard, its pretty high, isn't it?
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Old 18-10-2008, 04:49 PM
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Quote:
Originally Posted by coolgavin97
Hi Prodigy, did your WRX running the standard boost at 14.5psi? or did you boost up already? If 14.5psi is the standard, its pretty high, isn't it?
Mine was stock standard except the exhaust and CAI. 14.5 psi should be pretty much the norm for a standard MY98..
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Old 19-10-2008, 10:16 AM
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MY92 - MY96 WRX, Turbo: TD05, Boost: 11psi
(Please note that the WRX has been out in Japan since 1992, hence the MY92)

MY97 - MY98 WRX, Turbo: TDO4-13G, Boost: 13.5psi

MY99 - MY00 WRX, Turbo: TD04L, Boost: 14.5psi

V5STi, Turbo: VF28, Boost: 17.5psi (JDM), 16psi (Aus de-tune)
(Please note that the V5 STi was delivered with 17.5psi but too many people popped engines due to shit fuel so Subaru Aust de-tuned most models to 16psi)

MY01 - MY02 WRX, Turbo: TD04L-13G, Boost: 13.5psi

MY02 STi, Turbo: VF35, Boost: 16.4psi

MY03 - MY05 WRX, Turbo: TD04L, Boost: 13.5psi

MY03 - MY05 STi, Turbo: VF35, Boost: 16.4spi
(I'm assuming 03-05 STi specs are the same, someone please correct me if these figures aren't correct)

MY03 - MY06 Forester XT, Turbo: TD04L, Boost: 11.6psi

MY06 - MY07 WRX, Turbo: TD04L, Boost: 13.5psi

MY06 - MY07 STi, Turbo: VF43, Boost: 14.93psi
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