Thread: CIS At Altitude
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2jmotorsports 2jmotorsports is online now
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Join Date: May 2010
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I know a few guys who run stock CIS-equipped mid-years and SCs up there with no issue.

I suspect it may be time to go through the CIS and rule out any other possible issues? Vacuum leak check and fuel pressures check as a starting point maybe?
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Old 07-10-2020, 11:13 AM
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