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Discussing 1991 Mustang GT Normal Idle 1500rpm? in the 5.0 Mustangs Forum. My Fox is completely stock but after reaching normal op. temp. it stays at 1500rpm. ...

       

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Old November 23rd, 2007, 06:20 PM   #1
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1991 Mustang GT Normal Idle 1500rpm?


My Fox is completely stock but after reaching normal op. temp. it stays at 1500rpm. I'm going to set idle according to the thread in the Tech Directory but I was wondering what other fellow pony owners had to say.
 

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Old November 23rd, 2007, 06:23 PM   #2
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1,500 rpms is way too high. I'd be shooting for 800 to 1,000 at idle.
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Old November 23rd, 2007, 07:33 PM   #3
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Correct idle is 800...
 
Old November 23rd, 2007, 07:33 PM   #4
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I've got cams and my car doesnt even idle that high...Im looking at 1100-1200 rpms at startup and no higher than 1000 after warmup....1500 is rediculous...
 
Old November 23rd, 2007, 08:22 PM   #5
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Just set the idle with the screw on the throttle body...
 
Old November 23rd, 2007, 09:39 PM   #6
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Originally Posted by sneezingfox View Post
Just set the idle with the screw on the throttle body...
the IAS?
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