EFI Comparison (MSD Atomic vs Holley Avenger vs FAST EZ vs Powerjection III)

Discussion in 'High Tech Retrofits' started by CDesperado, May 3, 2012.

  1. woody80z28

    woody80z28 Veteran Member Lifetime Gold Member

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    WOW that is a lot of cam for EFI. What is your MAP reading at idle and under normal cruise?
     
  2. Rick WI

    Rick WI Veteran Member

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    Doubt the cam is the reason. I run a 260/265 @ .050 and .700 lift roller on the street with a FAST system and never replaced an 02 in over 10 years. Does it carbon foul?
     
  3. newschool72

    newschool72 Veteran Member

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    Sounds like the Fast system might work better than the Holley system with an aggressive cam.:)
     
  4. 72 pile

    72 pile Veteran Member

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    Ya it carbon fowels out. I don't remember what the map reads, I'll have to check tomorrow.
     
  5. 72 pile

    72 pile Veteran Member

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    Ok finally got a reading on the map sensor.
    Idle-80
    Freeway cruse-55-60
     

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