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How to identify what carb i have...

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by reddog64, Apr 4, 2002.

  1. reddog64

    reddog64 1/2 ton status

    Nov 9, 2000
    Likes Received:
    Federal Way, Washington
    OK.. I know it's a holly... and it has an electric choke... i thought i saw 4011 somewhere.. anyway for me to narrow this down the easy way?
  2. m j

    m j 1/2 ton status

    Dec 28, 2001
    Likes Received:
    a 4010/4011 series looks like a polished old Autolite rather then a traditional Holley 4150/4160
    with the old 4150/4160 there is a 4 digit number stamped into the choke horn, getting old and can't remember what the number is called, that will lead you to what the carb was when it left the factory.
    I have never looked at a 4010/4011 so cannot state that the number will be on that style.
    if you have an older Holley I can look up the specs for you but my books are close to 10 years old so someone else will have to step up for newer stuff

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