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01-17-2019, 04:24 AM
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#1 |
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Registered User
Join Date: May 2017
Location: Seatac, wa
Posts: 172
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Is it a carburetor problem?
My friend has a 77 c10 with a 302, it's starts fine but after about 45 minutes of driving it will ahut off in idle. Anybody have any thoughts?
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01-17-2019, 04:44 AM
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#2 |
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Senior Member
 
Join Date: Dec 2006
Location: Studio City, Calif.
Posts: 2,855
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Re: Is it a carburetor problem?
With the engine fully warmed up, I would check the carb adjustment screws and also the idle speed as the first things to look at and go from there if still a problem.
If still a problem I would check all vacuum hoses and maybe put a vacuum gauge on it to see the reading and behavior.
__________________
'69 GMC C2500 Custom Camper, 8 1/2' bed, New GM 350, NP 435 Close Ratio 4spd. Trans., 3.73 Dana-60 open.Camper and Trailer wiring, PS, PB, AC, tach , three gas tanks, 2nd owner, Work-Truck supreme. Best $300 I ever spent. |
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01-17-2019, 09:55 AM
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#3 |
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Registered User
Join Date: Jan 2007
Location: vernon b.c.
Posts: 3,021
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Re: Is it a carburetor problem?
fuel filter maybe
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01-17-2019, 08:09 PM
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#4 |
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Old Duffer
Join Date: Mar 2003
Location: Maine
Posts: 1,821
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Re: Is it a carburetor problem?
I'd check the gas cap. He may be drawing a vacuum in the tank that the fuel pump can't over come. That's not all bad either....nobody wants to collapse a fuel tank!
The next time it happens, open the gas cap and listen for a rush of air.
__________________
'68 Short C20 Flatbed Dually w/ 292 4bbl, Langdon cast headers, and WC T5 trans. '81 G10 Shorty Van "Good judgement comes from experience, and a lot of that comes from bad judgement." Will Rogers "Under promise, then over achieve." Last edited by slomotion; 01-18-2019 at 03:27 AM. |
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01-27-2019, 06:20 PM
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#5 | |
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Old Duffer
Join Date: Mar 2003
Location: Maine
Posts: 1,821
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Re: Is it a carburetor problem?
Quote:
__________________
'68 Short C20 Flatbed Dually w/ 292 4bbl, Langdon cast headers, and WC T5 trans. '81 G10 Shorty Van "Good judgement comes from experience, and a lot of that comes from bad judgement." Will Rogers "Under promise, then over achieve." |
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01-27-2019, 10:52 PM
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#6 |
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Senior Member
Join Date: Mar 2003
Location: Colfax-California
Posts: 8,382
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Re: Is it a carburetor problem?
Ign. module?
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01-28-2019, 04:05 PM
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#7 |
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Registered User
Join Date: Apr 2016
Location: Portland, Or
Posts: 387
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Re: Is it a carburetor problem?
What kwmech said. Ign. module, or it could be the coil.
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01-28-2019, 05:54 PM
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#8 |
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Registered User
Join Date: Feb 2016
Location: Trenton,Ontario & South Carolina
Posts: 755
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Re: Is it a carburetor problem?
If that is a real 302 DZ Z/28 engine in there ,I think a carb problem would be the least of the problem,pull that engine out,save it for a guy with a 1969 Z/28 and stab in a crate engine.
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01-29-2019, 04:27 AM
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#9 |
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Registered User
Join Date: May 2017
Location: Seatac, wa
Posts: 172
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Re: Is it a carburetor problem?
I appreciate the feedback I'm waiting to hear back from him I guess he has a brother-in-law that's going to look at some of that stuff and if he has any of the questions I'm going to turn them on to this form
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