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Engine Idle?

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1988 5.0 S.D. AOD, h-pipe/no cats, 2 chamber flowmasters,

Was wondering what engine should idle at?
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Joel5.0
pillowtalk said:
1988 5.0 S.D. AOD, h-pipe/no cats, 2 chamber flowmasters,

Was wondering what engine should idle at?
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625 - 775 RPM but keep in mind that the IAC valve will control the idle speed.
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