LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

30 lb injectors to small???

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Old Jul 2, 2007 | 11:53 AM
  #1  
mattbailey's Avatar
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From: Munfordville, KY
30 lb injectors to small???

I was doing a little datalogging and my injector rates are going to 95-96% at WOT. Should I upgrade to 36's or will my 30lb SVO's be okay? I haven't got on the dyno yet, so I really don't know how my A/F looks. My O2's are reading 890-930 at WOT. Any suggestions?

Last edited by mattbailey; Jul 2, 2007 at 12:08 PM.
Old Jul 2, 2007 | 02:21 PM
  #2  
T/A lt1's Avatar
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The injectors should be fine for what you are doing. I use an adjustable fuel pressure regulator to fine tune the AFR with smaller injectors and it works fine for me. I ran 11.15@121mph on stock injectors with about 55+psi of fuel pressure. I just upgraded to 30#'s since I need more fuel with the bigger solid roller cam, more compression and more RPM. Later Clint
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