Démarré par frederor, 06 Septembre 2010 à 08:24:27
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CitationGeez, dude. All you need is a fairly accurate tachometer, and a little patience.First, make sure you don't have any vacuum leaks, and the engine is properly tuned.Then, once it's warmed up, idling in drive, with the wheels blocked or somebody holding the brakes, hook up the tach, and observe the reading.Adjust this reading down or up to the correct idle speed setting with the throttle plate stop screw. Then, adjust the idle with the idle mixture screws until the idle is at it's highest. Then, one by one, lean each idle screw until you see an idle RPM drop of 50 RPM's. (On most carburators, leaning the idle means turning the adjustment screw clockwise) Once you achieve a 100RPM drop, adjust your idle speed again to the correct speed, and re-adjust each idle screw for "best idle" and then a 50 RPM "lean drop". Once you get to the proper idle speed and "lean drop" the adjustment is done.
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