Quote:
Originally Posted by luxeryvic
hi i have a 77 monte that im restoring and i just got it runnin but when i go to shut it off it doesnt its not dieseling its runnin like normal im thinkin the ignition swith any ideas??? thanks
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run on with the ignition switch off is usually with these engines/yrs dieseling ...to take the guessing out of it you simply measure the voltage 12 volts at the distributor ....switch on 12volts off o volts ....
with no voltage at the coil and the engine continues to run this is carbon deposits in the combustion chamber glowing causing the fuel vapor to ignite /////no spark needed .......
this is usually an overly rich mixture to avoid detonation .....I would get the proceedure to properly adjust the carb mixture screws ...this means a vacuum guage and tach...check timing first ..and make sure no vacuum leaks before adjusting anything ....
idle should be set to 650 rpm in gear....