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08-05-2005, 10:07 AM
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3v's are slow
Join Date: Dec 2004
Location: Here and There
Posts: 17,152
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Another MAF/injector question
Got to thinking about this some more today.
When tuning my car with the 42# univer and the 42# injectors last fall and this past spring, should I have left the injector slopes to factory (24/24) instead of changing them 42/55 or whatever they are at now? What happens when you change them like I did?
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2009 Porsche Carrera S 2008 ///AMG C63.. Eurocharge Tune. RIP  2019 AMG GLC43..wife's 03 F250 SD.. Edge Evo, AFE Stage 1 CAI 08 GT. JBA axle back, FRPP springs, FRPP swaybars.. daughter's 01 Cobra vert... wife's I need a new toy |
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08-05-2005, 10:11 AM
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3v's are slow
Join Date: Dec 2004
Location: Here and There
Posts: 17,152
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Re: Another MAF/injector question
Does this affect when you peg a meter?
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2009 Porsche Carrera S 2008 ///AMG C63.. Eurocharge Tune. RIP 2019 AMG GLC43..wife's 03 F250 SD.. Edge Evo, AFE Stage 1 CAI 08 GT. JBA axle back, FRPP springs, FRPP swaybars.. daughter's 01 Cobra vert... wife's I need a new toy |
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08-05-2005, 10:22 AM
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Daddy x4 ...we're done
Join Date: Dec 2004
Location: Oxford, AL
Posts: 11,551
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Re: Another MAF/injector question
Quote:
You're MAF transfer is VOLTS vs. CFM, so if you left the smaller injectors in the scalar, then you're transfer would have to show less air coming in at a particular voltage; if you didn't change the transfer, then the computer would be injecting your 42# injectors at a pulsewidth that would be required if they were 24# injectors -- which means they would end up dumping almost two times the amount of fuel needed!
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-Brian '86 Mustang GT Convertible '88 Mustang LX coupe '11 Odyssey TE '21 Insight Touring |
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08-05-2005, 10:22 AM
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Daddy x4 ...we're done
Join Date: Dec 2004
Location: Oxford, AL
Posts: 11,551
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Re: Another MAF/injector question
Quote:
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-Brian '86 Mustang GT Convertible '88 Mustang LX coupe '11 Odyssey TE '21 Insight Touring |
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08-05-2005, 02:19 PM
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The Kocky One
Join Date: Dec 2004
Location: Yeah, but those cutters won't bust any walnuts.â„¢
Posts: 1,948
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Re: Another MAF/injector question
As Italian said...
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For Sale: Reproduction Window Stickers, 87+ Mustangs, Cobras, Lightnings, and HD F150! Richard White 93 Cobra Kocky will be back! 
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