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06-17-2004, 01:14 PM
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#1 |
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Registered User
Join Date: Apr 2003
Location: Edgewood New Mexico
Posts: 2,088
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need help!
ok i was goofing around in my truck earlyer and did a few donuts out in the middle of a dirt feild that my parents own. pulling out of the feild the truck stalled and when i got it to start again it would only run at about 3000 rpm anything slower and it would stall. i figured most likely it was the air filter so i replaced it. now it will start and runn at the higher rpms but at lower rpms it still stalls. my guess is i need to adjust the carb (stock 4bbl quadrajet) for a larger amount of air but have no clue what to do. i have dealt with holleys and am fairly used to them but the quadrajet is just confusing. any ideas of what to do or anything else that could have happened would be appriciated
jeremiah  
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1990 subaru legcy (daily driver) 1987 Toyota 4runner (weekend toy) 1968  C30 flatbed dually 1970 C10 longbed stepside (in pieces)1976 Dodge Dart 1963 Dodge Dart 
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06-17-2004, 01:42 PM
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#2 |
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blood type; Retumbo
Join Date: Jan 2004
Location: next to my reloading bench
Posts: 10,269
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check the brake booster vac hose. also might be stuck-sunk float.
carb adjust ment should not change from having a little fun. Todd
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Man rule #77...if you own a 67 stepside with a caddy 472 you will never be in danger of loosing you man card |
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06-17-2004, 01:49 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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Reverse the process by doing donuts in the opposite direction
 Sorry, no help here, but when you're 32+ years old and someone take you out for "donuts" you'll need time to recover too. 
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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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06-17-2004, 02:04 PM
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#4 | |
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Nothing fits but the oil
Join Date: Mar 2003
Location: Gaston, Indiana
Posts: 424
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Quote:
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Land of the free Because of the brave |
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06-17-2004, 02:08 PM
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#5 |
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Registered User
Join Date: Apr 2003
Location: Edgewood New Mexico
Posts: 2,088
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the reason it might need adjustment is because the air filter was so dirty that i think it was getting little of no air and the air filter has been getting progresivly worse for the last 5 years (i know i know the air filter needs to be changed more often). and the new one is well... clean also there is no brake booster. how do i deal with a folat with as little work as possible because if i need to rebuild the carb i might as well bolt on the holley i have
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1990 subaru legcy (daily driver) 1987 Toyota 4runner (weekend toy) 1968 C30 flatbed dually 1970 C10 longbed stepside (in pieces)1976 Dodge Dart 1963 Dodge Dart
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06-17-2004, 04:21 PM
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Watch out for your cornhole !
 
Join Date: Jun 2003
Location: Azle, Texas
Posts: 14,162
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Dude if it was running, then you goofed off and now it won't run, don't try to adjust the carb to fix it. Doing donuts won't cause the adjustment screws on the carb to move under their own power. You have a problem somewhere else. If you go jacking with the adjustments, you will now have 2 problems.
Trust me, I mechaniced for 12 years full time. Fix the new problem and then readjust the carb if it needs it then.
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I'm on the Instagram- @Gearhead_Kevin |
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06-17-2004, 04:58 PM
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#7 |
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Nothing fits but the oil
Join Date: Mar 2003
Location: Gaston, Indiana
Posts: 424
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I agree with Tex. If it doesn't appear to be the float, or choke, the last thing would be vaccum. Either from the carb, or if you have an automatic, the "T" fitting at the rear of the carb, for the tranny, on the intake manifold.
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Land of the free Because of the brave |
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06-17-2004, 05:51 PM
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#8 |
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Registered User
Join Date: Apr 2003
Location: Edgewood New Mexico
Posts: 2,088
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i found that the problem was the float after tearing down the carb and after compairing the cost between rebuilding the carb and bolting on the holley i decided to go with the holley. another problem that i did not realize on the q-jet until today is that my choke was disconected and as far as i can tell there is nothing to connect it to.
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1990 subaru legcy (daily driver) 1987 Toyota 4runner (weekend toy) 1968 C30 flatbed dually 1970 C10 longbed stepside (in pieces)1976 Dodge Dart 1963 Dodge Dart
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06-17-2004, 06:48 PM
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#9 |
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Nothing fits but the oil
Join Date: Mar 2003
Location: Gaston, Indiana
Posts: 424
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More donuts in your future??
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Land of the free Because of the brave |
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06-17-2004, 06:57 PM
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#10 | |
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Registered User
Join Date: Apr 2003
Location: Edgewood New Mexico
Posts: 2,088
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Quote:
__________________
1990 subaru legcy (daily driver) 1987 Toyota 4runner (weekend toy) 1968 C30 flatbed dually 1970 C10 longbed stepside (in pieces)1976 Dodge Dart 1963 Dodge Dart
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