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Injector Change
I am completing a 3400 build in an 2005 Impala, and will be switching to the Injectors from a 2002 Trailblazer.
2005 Impala -
22.5lb/hr injectors at 370kPa or 236.25cc/min at 53.7PSI
2002 Trail Blazers -
28lb/hr injectors at 410kPa or 294cc/min at 59.5PSI
Using the Impala's pressure, I get
278.91cc/min or 26.54lb/hr
Yielding 15.22231% increase
Is there anyway to easily adjust the Injector settings with HPTuners?
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12-06-2011 09:04 PM
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Originally Posted by
Khipset
I am completing a 3400 build in an 2005 Impala, and will be switching to the Injectors from a 2002 Trailblazer.
2005 Impala -
22.5lb/hr injectors at 370kPa or 236.25cc/min at 53.7PSI
2002 Trail Blazers -
28lb/hr injectors at 410kPa or 294cc/min at 59.5PSI
Using the Impala's pressure, I get
278.91cc/min or 26.54lb/hr
Yielding 15.22231% increase
Is there anyway to easily adjust the Injector settings with HPTuners?
23.5 to 25.5 IFR depending on your altitude and other factors. That should get it running, anyway. They functioned well over a fairly broad range of fuel pressures for me.....
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ty sir
Edit: As far as Altitude goes - I'm in FL so, assume Sea Level.
Last edited by Khipset; 12-06-2011 at 11:10 PM.
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Mr. Common Sense
Using the HPTuners VCM Editor, open your configuration file.
Go to Engine - Fuel Control - General.
Under Injector Control, select Flow Rate vs. KPA.
Make sure you take note of the units displayed -
If you are showing lb/hr, set all values in the table to 26.37.
If you are showing g/sec, set all values in the table to 3.32.
Save the file witha new name (do NOT over-write your stock file) and flash it to your PCM.