Thread: Recommended Idle RPM 427w?
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Old 10-16-2011, 08:31 PM
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twobjshelbys twobjshelbys is offline
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Join Date: Jan 2009
Location: Las Vegas, NV
Cobra Make, Engine: Shelby CSX4005LA, Roush 427IR
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The recommended idle for my Roush 427IR (fuel injected) is 1000RPM. Sometimes it dips down to 900 or so when warmed up but when cold it starts off at about 1200 and goes lower when warmed up.
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