bogging down

  1. TheRealDylan

    1985 4.3

    I have a 4.3 v6 that is mainly stock, except for an HEI distributor and edelbrock carburator from JEGS. I know the 600 cfm is overkill for this engine. Although when it first got the truck, it was running well with this setup. I am not sure what changed, but it has 0 power and won't go over 35...
  2. B

    Silly Question but could I possibly have an ECU?

    Strange question, I know but I have an 84 K20 w/502. Bought truck with an OLD analog Projection 4 fuel injection system. Truck runs amazing at full throttle but stalling when slowing or stopping and hard to get going again. I changed all tune up stuff, fuel pump and even new distributor b/c...

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