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cant get 302 to idle right

5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

cant get 302 to idle right

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Old 07-28-2014, 12:41 PM
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nathan_hebb
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Default cant get 302 to idle right

howdy, i have a 302 ive been building for awhile. pretty much typical, mild cam, alum heads, headers, performer rpm intake 650 edelbrock carb, when it first starts, (cold) it idles kinda high, (1,000-1,200) then once it gets around 190 it drops down to 4-500 and barely wants to stay there, should i adjust the timing, or fuel? while its warm or cold?
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Old 07-28-2014, 03:00 PM
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mjr46
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you need to adjust hot idle screw on the throttle linkage, then when cold set the screw on the throttle step up for the choke and set choke properly.adjust
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