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Old 02-21-2001, 10:58 PM   #1
wrxman555
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Member#: 2677
Join Date: Oct 2000
Location: South Bend, Indiana
Vehicle:
2001 Lexus IS300
Silver

Post What stock internals need to be replaced to run 10 PSI safely and reliably? (EJ25)

Just need some input. Cobb Camms are already on the list but what else?
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Old 02-21-2001, 11:01 PM   #2
RidinLow
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Chapter/Region: Tri-State
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1995 325i
Arctic Gray

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None, providing the motor is tuned correctly.

Edit: by internals, I'm assuming you mean the stuff inside the block.

[This message has been edited by RidinLow (edited February 21, 2001).]
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Old 02-21-2001, 11:03 PM   #3
8Complex

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04 FXT
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Post

Transmission & rear diff helps.
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Old 02-21-2001, 11:28 PM   #4
RawCode
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Location: Anchorage,AK USA
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2002 Impreza 2.5RS
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Yeah nothing needs to be changed, just ask Shiv over at http://www.vishnuperformance.com/ Him and his Tec-II work well for Hi PSA

RawCode
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Old 02-21-2001, 11:38 PM   #5
kaos200
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Post

I'd go a step extra and get a set of pistons
with slightly lower compression (as long as you stick to 10psi, you're not a boost junkie, are you )

[This message has been edited by kaos200 (edited February 21, 2001).]
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Old 02-23-2001, 12:23 AM   #6
stimpy
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Location: Austin, TX
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2008 STI

Post

If the RS is a MY98 or MY99, then you should be fine with basic engine management. If it is a MY00+, then there was an increase in compression ratio and, therefore, a lower maximum boost. Full engine management would probably be the best thing in that case.

-Jon
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