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Old 07-02-2004, 11:52 PM   #1
WRXVII
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Member#: 15854
Join Date: Feb 2002
Location: Upstate NY
Vehicle:
2002 WRX
VF34'd...

Default Cobb stage 2.5 map with VF30 install

AP is scheduled to arrive on 12th of July. However, VF30 install is scheduled on 10th of July.

VF30 includes install of STi injectors and Walbro FP. What would happen if I were to drive the car with Cobb stage 2 map for several days if driven gently?

What's your thought on this? (double post at engine management)
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Old 07-03-2004, 12:52 AM   #2
voam
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Join Date: Feb 2003
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Undesireable as that is, I think you are OK as long as you avoid anything more than just a few PSI of boost and stay off of boost as much is possible.
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Old 07-03-2004, 04:03 PM   #3
Vector92
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Member#: 40661
Join Date: Jul 2003
Location: Abilene, TX
Vehicle:
2002 Imprezza WRX
WRX Blue

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After I had my VF-34 turbo installed, there was a delay until I could get the injectors installed.

The main worry in this situation, as I understand it, is maxing out the stock injectors. Therefore, I drove it, but always watched my boost gauge and always kept it at 5 psi or less.

After a while, I could drive it easily and consistently this way.
I put a few hundred city and highway miles on it this way. There don't seem to be any problems yet.

Now I finally have the injectors in, so I can let it boost again.
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Old 07-03-2004, 05:02 PM   #4
Raslian
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Location: Bellevue, WA
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1994 Toyota Supra
Red

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Yeah, but he's not gonna be riding on stock injectors. IIRC you'll be okay as long as you stay under 4k RPM, otherwise the engine starts to sputter bad from the STi injectors, and all the extra flow.
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