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

2.2 Injectors

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Old Oct 16, 2007 | 12:51 AM
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HunterKiller89's Avatar
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2.2 Injectors

what are the 2.2 stock injectors rated? 24lb? 28lb? im gonna be running my 42lbers soon and need to know how much fuel to cut out.
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Old Oct 16, 2007 | 01:13 AM
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Admiral Jedi's Avatar
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24lb I believe.
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Old Oct 16, 2007 | 01:19 AM
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thought so. so i need to remove 43% fuel from the 42lb injectors to run like stock 24lb injectors....sounds good i spose.

does anyone know if i am supposed to enter the -57 value in all the MAP Load AND MAF Load cells? or just the MAP Load cells? cause i think if you do both, it will try and reduce fuel flow by 114%, but im not positive.

Last edited by HunterKiller89; Oct 16, 2007 at 05:57 AM.
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Old Oct 16, 2007 | 09:10 AM
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From: USAG Stuttgart, GER
Originally Posted by HunterKiller89
thought so. so i need to remove 43% fuel from the 42lb injectors to run like stock 24lb injectors....sounds good i spose.

does anyone know if i am supposed to enter the -57 value in all the MAP Load AND MAF Load cells? or just the MAP Load cells? cause i think if you do both, it will try and reduce fuel flow by 114%, but im not positive.
neg, hold on ill post something for ya.

EDIT: (copied from one of my previous posts)

The calculations for larger injectors:

The 2.2 has a stock injector size of 24lb/hr. That makes it a 252cc injector. If i want to run larger injectors on my car it would come out to:

(32lb/hr)252/336 - 1 = -25%

(42.5lb/hr)252/446.25 - 1 = -43.52%

(60lb/hr)252/630 - 1 = -60%

Ok, so what you need to do is put -43.52 in the fuel map in EVERY cell. Yeah i know thats a lot. Ill reinstall the software tonight and clarify it with you. Ill also have that diagram for ya. Might be late because my engine is here =P
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Old Oct 16, 2007 | 07:32 PM
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already got that done
since the FIC isnt actually installed in the car yet, ive only done some basic things. Ive rescaled it to a 7000RPM redline instead of an 8500RPM redline to get more usable cells, along with scaling it for 30PSIa boost, as i doubt ill be above 15PSI ever. i might not even go above 10PSI since ive got a 3.4" pulley
all the cells are showing -43% (my calculations gave me -42.8 or something that rounds up to 43?) and thats about everything i can do at this point
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