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Old 01-29-2007, 11:32 PM   #1
scooby1220
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Member#: 125129
Join Date: Sep 2006
Chapter/Region: Tri-State
Location: NY
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2004 WRX VF34'd
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Default Attention all Cobb stage 2.5 owners, must read!

Sorry if everyone alreay knows this but I felt it would be beneficial to post this up. If you have, or are planning on upgrading to a VF30/34 turbo and want to use the OTS AP maps you must use the restrictor pill from your stock turbo. Many new VF series turbos come shipped with the compressor and wastegate hose assemblies already installed with a restrictor pill in place, however, the restricor pill is not the same, at least for me it wasn't. In order for the BCS to work correctly it needs the stock pill from the stock turbo. For me, the one included with my VF34 caused 22psi spikes with lots of fluctuation. After switching back to the stock pill I am at 17psi with minimal fluctuation.

Again, I apologize if this is common knowledge.
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Old 01-29-2007, 11:35 PM   #2
hondaeater69
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fairly common knowledge round these parts, but thanks for thinking of us!
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Old 01-30-2007, 12:12 AM   #3
PaulRex
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good man. But yeah most people know the deal already.

I just got rid of using restrictors all together on my car and use bigger vacuem hoses with a gm solenoid.

lata
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Old 01-30-2007, 12:58 AM   #4
RiftsWRX
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Join Date: Apr 2001
Chapter/Region: MWSOC
Location: Glendale Hts, IL, USA
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2000 NFR AP1 S2000
'07 Honda FIT sport (5MT)

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Quote:
Originally Posted by PaulRex View Post
good man. But yeah most people know the deal already.

I just got rid of using restrictors all together on my car and use bigger vacuem hoses with a gm solenoid.

lata
Definately our #1 stocked part. Our GM supplier gets ansy when we don't order our box of 100.

Jorge (RiftsWRX)
www.ProjectWRX.com
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