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11-22-2007, 02:17 PM
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#1 |
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Registered User
 
Join Date: May 2005
Location: Beauregard, AL
Posts: 64
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Carb problem???
My '70 C10 with 250 six cil. and 1 bar. carb runs great until I hit about 55mph, then any acceleration thereafter and the engine bogs down. I have to feather the accelerator to keep the speed up around 50mph or more. Does the carb need adjusted, or what?
Thanks, Tim
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------------------------------------- Tim '67 C/10, '04 Tahoe ------------------------------------- |
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11-22-2007, 05:14 PM
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#2 |
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1970 Daily Driver
Join Date: Jun 2007
Location: Glenns Ferry IDAHO
Posts: 1,037
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Re: Carb problem???
Have you changed your fuel filter?
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It's not truly yours if you didn't build it yourself or if you don't do your own maintenance. |
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11-22-2007, 06:10 PM
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#3 |
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Step Brother
Join Date: Sep 2007
Location: knoxville TN
Posts: 1,950
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Re: Carb problem???
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11-22-2007, 06:29 PM
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#4 |
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Active Member
Join Date: Jul 2007
Location: Centrally located between Houston, Austin and Waco. BCS area.
Posts: 7,947
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Re: Carb problem???
These carbs are extremely easy to work on.
As mentioned, first check your filters. If they're dirty that will restrict the fuel flow when it's needed. Next check the fuel flow of the fuel pump. Disconnect line from the carb and place a plastic container on the end. Have some one crank it while you observe it. It should have a pretty good squirt of fuel while it's cranking. If it's just oozing out, you could have clogged up fuel lines to the pump or the pump itself may be bad. The next thing is to remove the top of the carb and check the float adjustment and make sure the bowl is clean... |
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11-22-2007, 10:19 PM
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#5 |
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New Member
Join Date: Oct 2006
Location: Silverdale, WA
Posts: 17
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Re: Carb problem???
I had a similar problem. I had just rebuilt the carb and it ran great for like three days. On a whim I checked the points (also recently replaced) and found them out of spec. A quick adjustment and it ran great again.
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Thanks! Bkrscum ___________________________________________ 70 1/2T, LWB, CST 93 HD Ultraclassic Electraglide 04 Jeep Grand Cherokee (Mama's) 05 Jeep Wrangler Unlimited |
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11-22-2007, 11:05 PM
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#6 |
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HERE.......Somewhere
Join Date: Oct 2006
Location: Birmingham AL
Posts: 2,488
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Re: Carb problem???
does it have a choke??? cause mine did and I did not know it and I was in the walmart parking lot when it sputtered off and then I fired it back up and it done it again. I finally a put in gear and cut off and I let it drift at 4 or 5 miles an hour into a parking spot and the choke is pushed all the way in
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Current rides: 2013 Hyundai elantra gt DD 1995 camaro my first crush lmao Was: 1970  with a 350 4barrel and 288 horses Classics make it possible! Last edited by 70' GMC; 11-22-2007 at 11:06 PM. |
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11-23-2007, 10:58 AM
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#7 |
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Registered User
Join Date: Sep 2005
Location: Smith Mountain Lake Virginia
Posts: 1,537
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Re: Carb problem???
I just went through it - my problems was the vacuum advance on the electronic distributor I had just put in - it was stuck and not operating - replaced with a spare and away it went!
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"A cat will almost always blink when hit between the eyes with a ball peen hammer" (you don't always have to state the obvious) Wear your PPE! You can eat with false teeth but you can't see with a false eye. 1959 Studebaker Silverhawk 350/400 1972 C10 L6 3OTT 2005 F350 - Built - whew! |
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