Question for Lars -- Carburetor for ZZ4.
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Joined: May 2001
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From: Exiled to Richmond, VA - Finally sold my house in Murfreesboro, TN ?? Corner of "Bumf*&k and 'You've got a purdy mouth'."
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St. Jude Donor '06-'10, '13
Question for Lars -- Carburetor for ZZ4.
In my "owners manual" for my ZZ4 motor, GM recommends a Quadrajet with a part number of 17066422. They say it is a service replacement carb. with adjustable idle mixture and electric choke. The say to change out the secondary metering rods to AH (PN 7033812).
What are the specs on that carb ? CFM, Original application?
I have the stock QJet from my 1980 L-48, and I think the number is 17080204. Are these two carbs. comperable?
Let me know what you think.
What are the specs on that carb ? CFM, Original application?
I have the stock QJet from my 1980 L-48, and I think the number is 17080204. Are these two carbs. comperable?
Let me know what you think.
Team Owner
Joined: Jun 2001
Posts: 23,375
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From: Virginia USA
Re: Question for Lars -- Carburetor for ZZ4. (BSeery)
Lars, I am looking to either send you my carb or get one of those Edelbrock q-jet's What do you recommend? Will the Edelbrock work with my stock 1971 air cleaner?
Brian,
How big is that "Owners Manual"? The place where I got my engine couldn't find it and I was wondering if I could get a copy from you.
Thanks
John
Brian,
How big is that "Owners Manual"? The place where I got my engine couldn't find it and I was wondering if I could get a copy from you.
Thanks
John
Thread Starter
Team Owner
Joined: May 2001
Posts: 29,745
Likes: 3
From: Exiled to Richmond, VA - Finally sold my house in Murfreesboro, TN ?? Corner of "Bumf*&k and 'You've got a purdy mouth'."
CI 6-7-8 Veteran
CI-VIII Burnout Champ
St. Jude Donor '06-'10, '13
Re: Question for Lars -- Carburetor for ZZ4. (theandies)
Brian,
How big is that "Owners Manual"? The place where I got my engine couldn't find it and I was wondering if I could get a copy from you.
Thanks
John
How big is that "Owners Manual"? The place where I got my engine couldn't find it and I was wondering if I could get a copy from you.
Thanks
John
Tech Contributor
Joined: Aug 1999
Posts: 14,380
Likes: 6,391
From: At my Bar drinking and wrenching in Lafayette Colorado
Re: Question for Lars -- Carburetor for ZZ4. (BSeery)
That carb is a general service replacement carb with no specific application - it was never used originally on anything. It is a 750 cfm Q-Jet, and it has fewer emissions provisions on it than your '80 unit. Your '80 carb will, however, run just fine, as its cfm rating is the same. The AH rod is a medium rich rod, and is a pretty safe selection for a moderate performance engine.
Tech Contributor
Joined: Aug 1999
Posts: 14,380
Likes: 6,391
From: At my Bar drinking and wrenching in Lafayette Colorado
Re: Question for Lars -- Carburetor for ZZ4. (theandies)
theandies -
Your original Q-Jet should be perfectly rebuildable if it's not really screwed up.
Edelbrock offers two styles of Q-Jets: A pre-75 version and a post-75. For your application, just make sure you use the early version carb, and everything should swap right over.
Your original Q-Jet should be perfectly rebuildable if it's not really screwed up.
Edelbrock offers two styles of Q-Jets: A pre-75 version and a post-75. For your application, just make sure you use the early version carb, and everything should swap right over.
Thread Starter
Team Owner
Joined: May 2001
Posts: 29,745
Likes: 3
From: Exiled to Richmond, VA - Finally sold my house in Murfreesboro, TN ?? Corner of "Bumf*&k and 'You've got a purdy mouth'."
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CI-VIII Burnout Champ
St. Jude Donor '06-'10, '13
Re: Question for Lars -- Carburetor for ZZ4. (lars)
Thanks Lars!!
Do you know if the primary metering is the same? Or do I need to change mine to match what they recommend in the replacement QJet ?
I have no idea what jet and rods mine have in it, and can only guess that they would be stock.
Do you know if the primary metering is the same? Or do I need to change mine to match what they recommend in the replacement QJet ?
I have no idea what jet and rods mine have in it, and can only guess that they would be stock.
Team Owner
Joined: Jun 2001
Posts: 23,375
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From: Virginia USA
Re: Question for Lars -- Carburetor for ZZ4. (lars)
Lars - The q-jet that I have is fairly "new" so there should be no problems fixing it. It runs good but I think it needs to be setup by someone with more knowledge than I have on q-jets....+ your reputation proceeds you :yesnod: and gives you a little more beer money for your famous Vette weekends.:cheers: I currently have the divorced style choke and would like to get a little more modern. If I sent you the carb for rebuild and/or tuning do you have the parts to convert it over to electric choke and if so the electric chokes only needs a switched +12VDC source to work right? I think at this point if I buy a new Edelbrock q-jet I'll be divorced style. :lol: :lol: I'll have to convince my wife to send you my carb...I'll keep you posted.
Brian - Thanks for the part number on the manual. I think I'll pick one up. Did you get it at a GM parts dealership or did it come with your engine?
Thanks guys :yesnod:
John
[Modified by theandies, 2:33 PM 11/15/2001]
Brian - Thanks for the part number on the manual. I think I'll pick one up. Did you get it at a GM parts dealership or did it come with your engine?
Thanks guys :yesnod:
John
[Modified by theandies, 2:33 PM 11/15/2001]
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Thread Starter
Team Owner
Joined: May 2001
Posts: 29,745
Likes: 3
From: Exiled to Richmond, VA - Finally sold my house in Murfreesboro, TN ?? Corner of "Bumf*&k and 'You've got a purdy mouth'."
CI 6-7-8 Veteran
CI-VIII Burnout Champ
St. Jude Donor '06-'10, '13
Re: Question for Lars -- Carburetor for ZZ4. (theandies)
Bryan - Thanks for the part number on the manual. I think I'll pick one up. Did you get it at a GM parts dealership or did it come with your engine?
Thanks guys :yesnod:
John
[Modified by theandies, 2:33 PM 11/15/2001]
Thanks guys :yesnod:
John
[Modified by theandies, 2:33 PM 11/15/2001]
