Q-Jet to Holley conversion

Discussion in 'Chevy C/K Truck Forum' started by 85 Silverado, Feb 12, 2009.

  1. 85 Silverado

    85 Silverado New Member

    I just completed a switch from a stock QuadraJet Carb to a Holley 600 Carburetor on my 1985 C10. Wow, what difference!! Gas mileage went from 12 MPG to 16 MPG and the performance is WAY better. I have a list of replacement parts used if anyone is looking to replace their QuadraJUNK for a Holley.
    PEACE OUT < :sign0011:
  2. tlperry68

    tlperry68 Epic Member 5+ Years 1000 Posts

    I lovr Holley's ad Crters. I didn't get better milager after I put on the holley though. It sure sounds good wen the hod is off!
  3. dwill3015

    dwill3015 Epic Member 5+ Years ROTM Winner 1000 Posts

    Thanks for letting us know what an improvement it made!
  4. ME83silverado

    ME83silverado New Member

    I have been thinking about switching my 4brl Qjet with a holley carb but was told by a guy it wasn't worth it.. This isn't true im guessing? Its my daily driver and id like to see a little gain in power and maybe mileage. I was thinking about getting a 650 myself. Any thoughts?

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