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Holley vs Quadrajet

Discussion in 'The Garage' started by nigsbro, Jan 25, 2006.

  1. nigsbro

    nigsbro Registered Member

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    Hey there
    I have a 80s k5 with a 350 sb in her fitted on it is a Holley 600 vac sec and im looking to get a new carb as im getting 6 mpg and shi..y pick up too.
    I was looking at a Quadrajet or another Holley what is the better carb out of these 2?

    :confused: :confused: :confused: :confused: :confused:
     
  2. Thunder

    Thunder 3/4 ton status

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    IMO Q-Jet is the best. If you are looking for better MPG and all around driveability and dependability..
    If you want straight line performance get a Holley. The stock ones dont work that greart off road tho.
    The Holley truck avenger carb is a good off road carb if you want to pay the bucks they want for them.
    But
    You can get a rebuilt Q-jet that performs just as good and is better off road for wayyyyyy less.
     
  3. mrk5

    mrk5 The Sticker Guy Moderator Vendor GMOTM Winner Author

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    If you are going to buy a new carb, my quick answer would be to get a qjet.

    The Holley Truck Avenger is a good offroad carb, but I don't care what they say you are going to need to do some tuning.

    It does depend on you. I like the Holley because I understand how to tune it better than I do a qjet. Plus I was able to get one slightly used off the internet for $250. However, if I had been buying a carb brand new I would have purchased a qjet from www.smicarburetor.com
     
  4. theperfectgarage

    theperfectgarage 1/2 ton status

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    I will second every word of that and add that I've heard good things about the edelbrock Q- jet.
     
  5. nigsbro

    nigsbro Registered Member

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    I forgot to add im running a edelbrock performer intake manifold,headman headers and a 445 465 lift cam and flat top pistons would the quadrajet be ok on performance still?
     
  6. walla2k5

    walla2k5 1/2 ton status

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    Don't see why not.I'm running a Torker 2, Q-Jet and a 280 cam...
     
  7. 86haubs

    86haubs 1/2 ton status

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    I agree with everything here. Unless you run a good size cam the Qjet is your bet bet. I have had mine on my truck for years, not one problem. The important thing is getting it set up right the first time.
     
  8. theperfectgarage

    theperfectgarage 1/2 ton status

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    The verdicts in... get a Q - Jet.
     
  9. ProJunkRacing

    ProJunkRacing 1/2 ton status

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    I second you on that
     
  10. koldsimer

    koldsimer 1/2 ton status GMOTM Winner

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    My rebuilt q-jet will start my truck on it's side and while it is nearly vertical. It doesn't run smoothly or anything but it impresses me.
     
  11. big dan

    big dan 1/2 ton status Premium Member

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    when my q-jet went bad i got a holley and loved it for 2 months then it went nuts, got a new one for free (warranty), loved it for 2 months then it went nuts, now i have my rebuilt q-jet and everyday i kick myself for paying $300 for nothing.
     
  12. nigsbro

    nigsbro Registered Member

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    well thanks everyone I have just ordered a Quadrajet and it will be here saturday morning so with any luck it might breathe some life it to the old thing well i can live it hope.
     

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