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03-28-2012, 07:33 PM
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#1 |
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Registered User
Join Date: Dec 2011
Location: mount airy NC
Posts: 308
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idle help (about to go crazy)!
my idle keeps getting way out of adjustment ive fixed it multiple times even took it to a shop and they adjusted it and it stayed good for about 4 days now it idles really low and quits after about 25sec good thing its a 3 on the tree so i can keep it running at stop signs and stuff its just aggravating. its a 250 inline 6 one barrell carb
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77 c10 (went from a inline 6 to 350) (converted to 3 speed in the floor) 350: mild cam, holley 600cfm 4bbl, summit stage 1 intake, accel billet distributer, flowtech headers, 2 1/4" exhaust with glasspacks, powermaster 160a alternator. |
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03-28-2012, 07:39 PM
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#2 |
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Registered User
Join Date: Jun 2011
Location: Baytown TX
Posts: 2,219
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Re: idle help (about to go crazy)!
Might be a weak spring on the idle screw.
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John 82 Chevy Silverado 350ci/TH350 
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03-28-2012, 07:50 PM
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#3 |
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Registered User
Join Date: Dec 2011
Location: mount airy NC
Posts: 308
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Re: idle help (about to go crazy)!
i hope its something simple like that... this truck is driving me crazy lol
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77 c10 (went from a inline 6 to 350) (converted to 3 speed in the floor) 350: mild cam, holley 600cfm 4bbl, summit stage 1 intake, accel billet distributer, flowtech headers, 2 1/4" exhaust with glasspacks, powermaster 160a alternator. |
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03-28-2012, 08:30 PM
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#4 |
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Registered User
Join Date: Jan 2011
Location: Tulsa,Okla
Posts: 590
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Re: idle help (about to go crazy)!
I guess the choke is working ok? The throttle shaft gets worn on those and can cause that. You might try and rebuild it, but that won't cure it if the shaft or body is worn. You might have to spring for a new carb, in the long run it would be worth it. That is a neat old truck, love the six with the 3-speed. Really cool to see you young guys appreciating these trucks.
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"Whoever said money can't buy happiness has obviously never seen a speed shop! |
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03-28-2012, 09:08 PM
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#5 |
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Registered User
Join Date: Dec 2011
Location: Camp Lejeune, NC
Posts: 169
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Re: idle help (about to go crazy)!
are you adjusting the curb idle or the mixture?
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03-28-2012, 09:14 PM
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#6 |
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Registered User
Join Date: May 2010
Location: laurel hill Fl
Posts: 645
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Re: idle help (about to go crazy)!
Sounds to me you have a weak spring. It may be a good idea to rebuild it. Just plan out a weekend pull it off. block the hole from any garbage that could get in. I can rebuild a quadrajet in 4 hours. however you do have to find where the setting are. so before you take it off get it about where you want it mark it and when its off back the screws off and count the turns
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1985 C10 Custom Deluxe LWB 305/700r4 [ Goldfinger ] 1999 k3500 crew cab dually 6.5tdi/4l80e |
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04-09-2012, 01:13 PM
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#7 |
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Account Suspended
Join Date: Dec 2008
Location: indisclosed
Posts: 1,515
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Re: idle help (about to go crazy)!
Or the actual throttle return spring.
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