2.2L L61 Performance Tech 16 valve 145 hp EcoTec with 155 lb-ft of torque

injectors

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Old 08-30-2007, 05:13 PM
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injectors

whats the biggest injectors a stock 2.2 can handle; stock engine with a CAI, header/downpipe/catback....just wondering...please dont flame..injectors are something i know nothing about
Old 08-30-2007, 06:08 PM
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You don't need new injectors with just bolt-ons. The stock ones are more than sufficient unless you go f/i
Old 08-30-2007, 06:08 PM
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Originally Posted by XM15
You don't need new injectors with just bolt-ons. The stock ones are more than sufficient unless you go f/i
X2
Old 08-30-2007, 06:14 PM
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As if right now the stock ones, because you cannot tune to compensate for the injectors on the 2.2L

The 2.4L and 2.0L need bigger injectors, you can still have fun with your squirtguns.
Old 09-04-2007, 09:11 AM
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ok thanks guys
Old 09-04-2007, 09:12 AM
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got here too late. Oh well, but yeah no reason for you to swap unless you go s/c or t/c
Old 09-04-2007, 09:24 AM
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Also understand that putting on a larger injector without controlling anything will be your downfall.

Your computer is set to run at a certain duty cycle for every driving condition from idle to wide open throttle.

Think of it like this, a 24 # injector at 25% duty cycle is going to flow less fuel than a 34# injector at 25% duty cycle.

Excess fuel will cause overly rich fuel mixtures and a power LOSS.

But like everyone said, there shouldn't be a need for larger injectors.
Old 09-04-2007, 12:36 PM
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I speak from experience when i say the Computer wont handle larger injectors.
Old 09-04-2007, 02:25 PM
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what injectors are an option for us anyway, say if we're taking the motor up to 7Kish...I know stock injectors can't provide enough fuel for that airflow.
Old 09-04-2007, 02:31 PM
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If you need them for an upgrade - it will let you know. Such as with the Garrett Alpha Turbo Kit - it gives you larger injectors with the kit. Otherwise...you dont need them.
Old 09-04-2007, 03:56 PM
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Originally Posted by IonNinja
what injectors are an option for us anyway, say if we're taking the motor up to 7Kish...I know stock injectors can't provide enough fuel for that airflow.
Quick and easy would be stock ss/sc or irl injectors. they are cheap and easy to find but you would need something to tune them of course.
Old 09-04-2007, 04:01 PM
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Originally Posted by IonNinja
what injectors are an option for us anyway, say if we're taking the motor up to 7Kish...I know stock injectors can't provide enough fuel for that airflow.
Any Bosch style High Impedance Fuel Injector.
Old 09-04-2007, 05:22 PM
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will any of these clip into the stock harness or do they need to be spliced in?
Old 09-04-2007, 05:47 PM
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bosch style should clip right in
Old 09-04-2007, 06:08 PM
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Originally Posted by IonNinja
will any of these clip into the stock harness or do they need to be spliced in?
I would assume it would be just fine but I'm not 100%
Old 09-04-2007, 06:43 PM
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cool, gotcha...

good to know when the time comes...
Old 09-04-2007, 06:48 PM
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I have a set of Stock SSS/c Injectors Fit Leak free and Clip right in
Old 09-04-2007, 09:41 PM
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did they do anything performance wise or mileage wise?
Old 09-04-2007, 09:43 PM
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Originally Posted by disposable_her0
did they do anything performance wise or mileage wise?
who are you asking this to?
Old 09-06-2007, 01:56 AM
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there really is no need for them...u cant really even tune the 2.2 for them anyways...only need a piggy back ecu for that.
Old 09-06-2007, 08:05 AM
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Originally Posted by disposable_her0
did they do anything performance wise or mileage wise?
They Killed Performance The Car kept going into limp mode in Second Gear, plus i had to change my oil cause there was gas in it.
Old 09-06-2007, 09:19 AM
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Originally Posted by YellowLT
They Killed Performance The Car kept going into limp mode in Second Gear, plus i had to change my oil cause there was gas in it.
That was cause you put in larger injectors and didn't change anything, correct?

Curious: what size did you go with? The 32 #?
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