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Thread: quick question bout pwm

  1. #1

    quick question bout pwm

    okay i've been reading a lot about hho today. I see that if you have a fuel injector you need to use a pwm. im broke college student so i want this to be affordable. i have 07 gmc 4.8L. Could I get away with just using a efie or is a pwm necessary?

  2. #2
    Join Date
    Nov 2009
    Posts
    1,418
    A PWM is only necessary if you live where it gets down below freezing and are forced to run full strength electrolyte to stop your electrolyte from freezing solid and doing some damage. Otherwise you can control heat/amps by using the right strength of electrolyte with no need for a PWM. The EFIE is much more important and necessary to see significant gains. Cheap EFIE's are next to useless is the bad news.
    "Democracy is two wolves and a lamb deciding what to have for dinner. Liberty is a well-armed lamb."

    ONE Liter per minute per 10 amps which just isn't possible Ha Ha .

  3. #3

  4. #4
    Join Date
    Nov 2009
    Posts
    1,418
    NO, not in my book. Just controlling the MAP/MAF does not work. You need to control all the sensors and coax the ECM to use the leanest possible tables it has.
    "Democracy is two wolves and a lamb deciding what to have for dinner. Liberty is a well-armed lamb."

    ONE Liter per minute per 10 amps which just isn't possible Ha Ha .

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