1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Idle adjustment screw, where is it?

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Old Aug 2, 2005 | 03:48 PM
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O 16581 72452 5's Avatar
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Idle adjustment screw, where is it?

My search only brought up text about it's location, i still can't find it. Is there a diagram or picture anywhere?
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Old Aug 2, 2005 | 04:53 PM
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Nevermind, i found this and got my car idling and running like new, aside from the blue smoke out the back.

http://img346.imageshack.us/img346/1290/10018636xu.jpg
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Old Aug 2, 2005 | 05:19 PM
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I'm curious if i did this correctly, i adjusted the idle to around 750, turned the air/fuel clockwise until it just barely started sputtering (i could've gone more), then back 1/2 turn, this raised the idle to 1,200, i backed the idle back to 750 and kept doing this back and forth.

Is clockwise rich or lean? I'd kind of like it lean it a little more than it should be for fuel economy.
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Old Aug 2, 2005 | 05:19 PM
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its located from the right side fender, infront of u, towards the bottom of carb.
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Old Aug 2, 2005 | 05:20 PM
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Originally Posted by Rx7Kidd
its located from the right side fender, infront of u, towards the bottom of carb.
Read my update, i found it after i saw a picture, i still had a little trouble finding it even with the picture.
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Old Aug 3, 2005 | 11:16 AM
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From: colorado
yes it should idle after about 2-3 min at 750, you turn it clock wise to tighten it up(lower rpms) and counter clock wise to up the rpms.


you can turn it kinda a lil bit till it actually shows an increase in rpms. just fiddle with a it a lil bit and keep checking rpms, u should know when its starvin for gas and when ur gettin the right amount at 750
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Old Aug 3, 2005 | 01:16 PM
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Originally Posted by O 16581 72452 5
I'm curious if i did this correctly, i adjusted the idle to around 750, turned the air/fuel clockwise until it just barely started sputtering (i could've gone more), then back 1/2 turn, this raised the idle to 1,200, i backed the idle back to 750 and kept doing this back and forth.

Is clockwise rich or lean? I'd kind of like it lean it a little more than it should be for fuel economy.
clockwise is lean.
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Old Aug 3, 2005 | 01:22 PM
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From: palmyra Indiana
is the air\fuel mixture screw the shiney one visable in that picture? to the left of the idle adjust(i know were its located now)
if not what is that screw for i thought it was the idle adjust and i turned it, now car runs not soo hot...
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Old Aug 3, 2005 | 01:50 PM
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Air/Fuel is on the left, idle adjustment is on the right in the picture.
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