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12-14-2002, 12:37 AM
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#1 |
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Registered User
Join Date: Nov 2002
Location: spring lake, mi
Posts: 58
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carb question
got a question about a carb that i put on. i switched the stock 2bbl on my 307 to a 4bbl quadrajet. question is when i give it gas it hesitates really bad and sometimes stalls out and when i drive it will hesitate and sometimes stall, any ideas?
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12-14-2002, 12:45 AM
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#2 |
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440 american Horses
Join Date: Mar 2001
Location: Anoka, MN USA
Posts: 470
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Have you had the carb cleaned and rebuilt? New Fuel filter? If not, those are probably the first places to look. Also, how's the tune-up?
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Seth Petro 1969 Chev Short Step 425hp 350, TH400, big tires, fast truck 1979 Pontiac Trans Am 1991 Saturn SL1 - gas mileage! (and free) 1977 Buick LeSabre - for sale May America bless God, and may God bless America 
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12-14-2002, 01:00 AM
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#3 |
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Registered User
Join Date: Nov 2002
Location: spring lake, mi
Posts: 58
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i haven't done anything to it. i got it for free and it worked with no problems for the person that i got it from.
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12-14-2002, 02:25 PM
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#4 |
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72 Cheyenne
Join Date: Oct 2001
Location: San Diego
Posts: 2,086
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Probably just needs some fine tuning by someone who really knows Q Jets, I put a new Q Jet on my truck and still had to spend some time with my Mechanic tuning it. Very sensitive carbs but once you dial them in they kick ass.
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12-14-2002, 03:52 PM
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#5 |
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Registered User
Join Date: Dec 2002
Location: bend oregon
Posts: 32
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check primarys
try adjusting your primary jets to add or sutract fuel from the venturis
when your under the hood with the air cleaner off, and shes warmed up adjust the choke. you may need more or less air also try manualy turning the throtle at the carb ounce she is warmed up. if you throttle it and she begins to cut out you'er probly running fuel rich turn your primary jets down until you have just a very slight stall. this means you're running a little wet(fuel rich) and helps the life of your valves also if you get some cold rain your truck will **** and git. tw71roid good luck |
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12-14-2002, 04:03 PM
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#6 |
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Used to have a truck
Join Date: May 2002
Location: port orchard WA
Posts: 1,552
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huh
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No truck :-( |
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