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05-28-2021, 09:28 PM
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#1 |
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Senior Member
 
Join Date: Oct 2012
Location: Lexington, Ky
Posts: 2,140
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84 6 cyl automatic, low idle: need help
So it idles too low in neutral, barely runs in gear when stopped. Runs fine going down the road.
Checked all vacuum lines and replaced several. New plugs, cap & rotor. Adjusted timing couple of times, no change on the idle speed. Would like to find the idle adjustment screw but cant find it. Looked and looked. Throttle linkage is on back side of carb facing the firewall, hard to see (second picture). Anyone know how to adjust, or ideas ?
__________________
Larry 84 Chevy SWB, "Roy", dark blue orig paint, 6 cyl auto, PS, 88,000 miles. 72 Highlander LWB "Olive" med olive over lt yellow, air, 77,000 miles (sold) "It's a sorry man who can't find his wife a good job" |
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05-29-2021, 08:19 AM
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#2 |
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State of Confusion!
 
Join Date: Jul 2002
Location: Gulfport, MS USA
Posts: 47,061
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Re: 84 6 cyl automatic, low idle: need help
I have a pdf on adjusting those carbs, but it is too big to upload to board. I can email it to you if you want. Here is pic from instructions. that may help
__________________
Bill 1970 Chevy Custom/10 LWB Fleetside 2010 Toyota Tacoma PreRunner SR5 Double Cab - DD Member of Louisiana Classic Truck Club (LCTC) Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God! |
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05-29-2021, 08:34 AM
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#3 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,702
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Re: 84 6 cyl automatic, low idle: need help
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05-29-2021, 10:36 AM
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#4 | ||
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Senior Member
Join Date: Oct 2012
Location: Lexington, Ky
Posts: 2,140
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Re: 84 6 cyl automatic, low idle: need help
Quote:
Was reading your build thread on your blue shortbed last night, very NICE. Quote:
Thank you both for your help !
__________________
Larry 84 Chevy SWB, "Roy", dark blue orig paint, 6 cyl auto, PS, 88,000 miles. 72 Highlander LWB "Olive" med olive over lt yellow, air, 77,000 miles (sold) "It's a sorry man who can't find his wife a good job" |
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05-29-2021, 11:45 AM
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#5 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,702
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Re: 84 6 cyl automatic, low idle: need help
You asked for idle screw.
Pic shows it. |
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05-29-2021, 01:36 PM
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#6 | |
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Senior Member
Join Date: Oct 2012
Location: Lexington, Ky
Posts: 2,140
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Re: 84 6 cyl automatic, low idle: need help
Quote:
__________________
Larry 84 Chevy SWB, "Roy", dark blue orig paint, 6 cyl auto, PS, 88,000 miles. 72 Highlander LWB "Olive" med olive over lt yellow, air, 77,000 miles (sold) "It's a sorry man who can't find his wife a good job" |
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05-31-2021, 08:16 AM
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#7 | |
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Senior Member
Join Date: Oct 2012
Location: Lexington, Ky
Posts: 2,140
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Re: 84 6 cyl automatic, low idle: need help
Quote:
It's in the base of the carb, firewall side, below the throttle linkage. Thank you ! and have a wonderful Memorial Day.
__________________
Larry 84 Chevy SWB, "Roy", dark blue orig paint, 6 cyl auto, PS, 88,000 miles. 72 Highlander LWB "Olive" med olive over lt yellow, air, 77,000 miles (sold) "It's a sorry man who can't find his wife a good job" |
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05-31-2021, 12:08 PM
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#8 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,702
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Re: 84 6 cyl automatic, low idle: need help
Are you gonna share a pic of it’s location.
Is it in those pics I linked. Might be somebody comes along on a search in the future. |
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05-31-2021, 01:22 PM
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#9 | |
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Senior Member
Join Date: Oct 2012
Location: Lexington, Ky
Posts: 2,140
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Re: 84 6 cyl automatic, low idle: need help
Quote:
 Drawing is from Bill's PDF
__________________
Larry 84 Chevy SWB, "Roy", dark blue orig paint, 6 cyl auto, PS, 88,000 miles. 72 Highlander LWB "Olive" med olive over lt yellow, air, 77,000 miles (sold) "It's a sorry man who can't find his wife a good job" |
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