Series I L67 Fuel Injectors - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 11-10-2003, 09:43 PM   #11
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What all would be involved in taking my Series 1 N/A and upgrading to #24 or higher injectors ? DO I have to just install them? Just wondering, thanks
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Old 11-10-2003, 09:45 PM   #12
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just install them. the O2 will adjust them, if you go alot larger, get a ZZP afc 2.0 to calibrate the maf signal for the additonal fuel
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Old 11-10-2003, 09:50 PM   #13
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So thats all you did when you installed yours? I really wonder what happened when the engine was cold and not listening to the o2 sensor and it unknowingly had larger injectors. I guess after a few starts and running around town it'll relearn, but just out of curiosity I wonder what happens....
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Old 11-10-2003, 09:50 PM   #14
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Quote:
Originally Posted by jeffrey10x2
just install them. the O2 will adjust them, if you go alot larger, get a ZZP afc 2.0 to calibrate the maf signal for the additonal fuel
ok, thanks. I plan to go to 24s, someday. Will that add any HP?
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Old 11-10-2003, 09:55 PM   #15
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it didnt take that long to relearn it. anytime you install a new performance part. its best to disconnect the battery and relearn everything
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Old 11-11-2003, 02:00 AM   #16
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Quote:
Originally Posted by h1081dan
Quote:
Originally Posted by jeffrey10x2
just install them. the O2 will adjust them, if you go alot larger, get a ZZP afc 2.0 to calibrate the maf signal for the additonal fuel
ok, thanks. I plan to go to 24s, someday. Will that add any HP?
Not by itself, no. This would be done with alot of other performance upgrades, where the fuel system wasn't keeping up with engine demand.
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Old 11-11-2003, 03:29 AM   #17
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24 seems high on an L27...unless highly modified. Maybe 21 would yield more efficient results. I'm still running stock 19'*...the mini-afc 2.0 I'm getting this week will tell me which way I wanna lean.
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