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at what point are bigger injectors needed?

Old Jul 5, 2006 | 09:03 AM
  #1  
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From: New Baden, IL
at what point are bigger injectors needed?

I'm setting up an upgrade path, and need to know if injectors are needed and what size for the plan I have...

currently my Evo is set up this way:

3" TBE
Injen CAI/upper IC pipe kit
Greddy Type S BOV
Dynoflash reflash
Greddy Profec B @ 22psi
Walbro 255 fuel pump
SAFC II (not tuned yet)

my next mods are planned out to be 272's and cam gears.


do I need to get bigger injectors before the cams/gears, or will I be able to get away with stockers?
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Old Jul 5, 2006 | 09:05 AM
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From: Florida
Stock will be fine.

But i want to know the answer to when are they needed in the upgrade path, because i have heard by the point you're at they are running a very high duty cycle.
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Old Jul 5, 2006 | 09:06 AM
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From: New Jersey
normaly not till you get a bigger turbo then stock. till then your fine
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Old Jul 5, 2006 | 09:10 AM
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From: DFW
Originally Posted by evodan2004
normaly not till you get a bigger turbo then stock. till then your fine
+1
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Old Jul 5, 2006 | 09:10 AM
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From: Florida
Originally Posted by evodan2004
normaly not till you get a bigger turbo then stock. till then your fine
Hm. That's easy...
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Old Jul 12, 2006 | 03:22 PM
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From: salt lake city
You will be fine with the stock injectors... they are either 550cc or 560cc (cant remember) which are beefy enough to max out your set-up using the stock turbo... for the upgrades you mentioned you wouldnt even need to upgrade the fuel pump, although a lot of people do its not necessary with those mild mods

Last edited by DJ Brett B; Jul 12, 2006 at 03:24 PM. Reason: typo
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