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05-03-2002, 02:41 PM
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#1 |
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Registered User
Join Date: Sep 2001
Location: Bluff, Utah USA
Posts: 2
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Carb problem?
have problems going up hills, it seems that i have no power but when i'm on a flat road it has power. i have a 4 barrel Quadrajet. any ideas?
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05-03-2002, 03:20 PM
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#2 |
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Registered User
Join Date: Aug 2001
Location: Wichita Kansas
Posts: 104
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Have you made any mods to your engine (i.e new cam) components lately or did it just start happening? If you have then you might need a larger CFM rated carb, if you have not then read on.
The 1st thing I would do is replace your fuel filter. If you have the stock rochester carb I would change the filter in the carb and I would add a wicks in-line fuel filter and install it in addition to the original filter location. It is easy, quick and cheap. If that did not help then I would take of your air cleaner off and get some B-12 or other carb cleaners and start your engine and clean out your barrels. Use the whole can and clean the hell out of it. Go on and get some new plugs because they will foul if you do this. If that does not work then I would get a rebuild kit. Rochester kits are rather common and will be under or around 50 bucks. Good Luck! ~ Shawn
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1972 Cheyenne Super 88K miles 2002 Impala (real nice) http://community.webshots.com/user/shawn72chevy Wichita, KS |
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05-03-2002, 03:21 PM
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#3 |
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Resident Curmudgeon
 
Join Date: Dec 1999
Location: NH
Posts: 6,664
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What size gas line running from tank to carb. 4BBL v8 should be 3/8, if you have 5/16 and use the throttle hard it may starve for gas.
------------------ Jeff Jesseman Cheyenne Parts Northeast Franconia, NH 67 Chevy SWB Fleetside 70 GMC Burb 1/2 ton 2wd 72 Chevy Burb 3/4 ton 4x4 Parts bought and sold
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Currently on or near the homestead: 67 Chevy SWB 2WD stepside 350/3 on tree (Pat's) 67 GMC SWB 2WD Fleet 402/auto (Brian's under construction) 67 Chevy 3/4 ton 2WD 402/auto (Business Hauler) 67 Chevy 1 ton dually 2WD 396/4 speed (Former business hauler, Needs TLC) 68 Chevy 1/2 ton Suburban 2WD 250 six/3 on tree (Brian's Needs TLC) 70 Chevy 3/4 ton 4WD 350/4 speed (Pat's - Disguised as a 68 GMC) 71 Chevy SWB stepside (Crushed by tree - parts donor) 72 Chevy 3/4 ton 4WD (Parts donor) 72 Chevy 3/4 ton 4WD Suburban (Parts Donor) 72 GMC 3/4 ton 4WD 292 six/4 speed (Mine - Disguised as a 67 GMC) 81 GMC 4WD Dually Dump Body 350/4 speed (Business Hauler) 82 Camaro Z/28 355/Super T-10 (Pat's toy) 93 Caprice 9C1 (Brian's Cop Car) 02 Toyota Camry (Reliable but a souless steel and plastic hulk) 2011 2SS RS Camaro M6 Factory Hurst Shifter  Maybe I need to sell some of this crap  Yet another Bozo with a sawz-all |
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05-03-2002, 03:26 PM
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#4 |
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Senior Member
 
Join Date: Sep 2001
Location: Seattle, WA, USA
Posts: 5,817
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Make sure your float(s) are not sinking. They may be filling full of gas when you're going up hill. Are you running rich while going up the hill?
Some of those Q-jets have bowl fillers that keep the gas from sloshing around. Maybe you need those (if you have them) and new float(s)... ------------------ '69 3/4 ton C20 2wd w/ 350ci/400THM and a wood bed! '69 3/4 ton Custom 20 2wd w/ ORIGINAL 350ci/4sp Manual and a wood bed (parts beast). Seattle, WA. *See pics of my trucks and project at www.webshots.com!
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'69 3/4 ton C20 2wd-350ci/TH400 '69 3/4 ton Custom 20 2wd-350ci/4sp Manual '99 2wd 5.7 Chevy Tahoe Seattle, WA. |
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