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Old 03-14-2015, 08:53 PM   #4
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Join Date: Mar 2007
Location: West Chester, Ohio
Posts: 2,631
fleetw00d is very helpful fleetw00d is very helpful
I removed the FITV from the 92 EX; compared the position of the adjustable piston (assumed this one hadn't been changed since the factory set it); the top of the piston was about midway in the upper port. I turned the piston in the one I rebuilt in by at least half a turn to be in roughly the same position.

Installed it on the car the other day; ran it to purge the air. Started it today while about 50 degrees outside. Fast idle was steady at 1800. Shut it off, opened the top of the FITV and turned it down by 1/2 turn. Restarted; fast idle was about 1600. I'll double check it tomorrow morning when it should be somewhat colder.
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