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v-afc or s-afc and 450dsm injectors good nuff for 11psi?

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v-afc or s-afc and 450dsm injectors good nuff for 11psi?

Old 05-25-2004, 08:21 PM
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Default v-afc or s-afc and 450dsm injectors good nuff for 11psi?

i plan on boosting 11psi and using an s-afc and 450 dsm injectors for fuel needs, will this b ok for 11psi?.....also for spark iv got msd 8.5mm wires,msd cap and msd blaster 3 coil...should i b ok?
coreyhayman is offline  
Old 05-25-2004, 08:23 PM
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Default Re:v-afc or s-afc and 450dsm injectors good nuff for 11psi?

..maybe.

You're on the fine line of leaning out, and throwing a CEL for manifold pressure. Won't know until you try.
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Old 05-26-2004, 10:40 AM
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Default Re:v-afc or s-afc and 450dsm injectors good nuff for 11psi?

usually you can only get 10psi from DSM 450 and Safc/Vafc before you through the CEL, I wouldn't recommend it for more than 9psi on the HACK, leaning out would be a problem!
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Old 05-26-2004, 10:44 AM
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Default Re:v-afc or s-afc and 450dsm injectors good nuff for 11psi?

Ya.. typical settings for 450s run -40% to -35%.

35% 0f 4.9v (10psi on a stock MAP sensor) is 3.18v... that is CEL territory.
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Old 05-26-2004, 10:51 AM
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Default Re:v-afc or s-afc and 450dsm injectors good nuff for 11psi?

the more you have to enrich fuel for boost, the less boost you will be able to run, cuz the afc will only cut the % of the sensors relay to the ecu, so you probably wouldn't hit 11psi without getting CEL
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Old 05-26-2004, 07:09 PM
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Default Re:v-afc or s-afc and 450dsm injectors good nuff for 11psi?

so if i get s cel my check engine light will sjut stay on all the time and thats it?...
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Old 05-26-2004, 09:14 PM
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Default Re:v-afc or s-afc and 450dsm injectors good nuff for 11psi?

no...you will go into limp mode...it's gonna backfire make weird noises fall flat on it's face...I though I blew my engine when I was hitting 15 psi and it happened
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Old 05-28-2004, 11:01 PM
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Default Re:v-afc or s-afc and 450dsm injectors good nuff for 11psi?

if you want to run higher boost, then drop your settings down past -40% and use an adjustable fuel pressure regulator and set it about +5 psi or so. remember, its not the AFC hack thats making it throw a CEL, its the map sensor not being scaled back enough.
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Old 05-29-2004, 03:32 PM
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Default Re:v-afc or s-afc and 450dsm injectors good nuff for 11psi?

afc hacks suck donkey *****;
get uberdata or turboedit
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Old 05-29-2004, 05:57 PM
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Default Re:v-afc or s-afc and 450dsm injectors good nuff for 11psi?

i ran 12psi on the hack and didn't have any problems, but i would definately suggest getting a standalone.
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