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injector sizing

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Old Feb 5, 2008 | 03:46 PM
  #11  
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damn that sucks. I think I'm going to look at this AC Delco pigtail to adapt them to the stock harness:
PT1672
Attached Thumbnails injector sizing-flexfuelinjectoradapter.jpg  
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Old Feb 5, 2008 | 08:00 PM
  #12  
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what are the advantages to swaping 8.1l injectors into a 5.3l if there are any
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Old Feb 5, 2008 | 08:05 PM
  #13  
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8.1's have a much higher flow rate
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Old Feb 5, 2008 | 08:24 PM
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so there is no real advantage to running them on a mostly stock truck with a few bolt-ons
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Old Feb 5, 2008 | 08:25 PM
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Originally Posted by mbell
what are the advantages to swaping 8.1l injectors into a 5.3l if there are any
If you have a bigger cam or high flowing heads you'll need something larger than the 5.3 injectors to keep you A/F ratio correct.
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Old Feb 5, 2008 | 08:25 PM
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Originally Posted by mbell
so there is no real advantage to running them on a mostly stock truck with a few bolt-ons
you are correct.
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Old Feb 5, 2008 | 09:35 PM
  #17  
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btw, the 8.1 marine injectors are the higher flowing models, can't remember the flowrate right now
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Old Feb 5, 2008 | 10:15 PM
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Originally Posted by jakebdb56
btw, the 8.1 marine injectors are the higher flowing models, can't remember the flowrate right now
That's what I have in my truck and I have them programed at 43lbs/hr.
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Old Feb 5, 2008 | 10:38 PM
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nice, what's your IDC right now?
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Old Feb 5, 2008 | 10:53 PM
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Originally Posted by jakebdb56
nice, what's your IDC right now?
Haha, 99.4% I have a set of 60's I should put in there, if I'm gona keep pushing it
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