i suggest changing the distributor. i had erratic timing for a while, during cruising speed the emgine would chug here and there. One day I decided to replace the distributor cured my erratic timing, and stopped the chugging.
pree ignition timing is advanced
check the timing it may be advanced
Ignition timing, spark plug or wire, internal engine,
what is the ignition timing for a 1988 Chevy 454 engine
the ignition timing is 6 degree BTDC.
engine idle set too high or the timing is off and needs reset.
Degrees
The 1993 Subaru Legacy 2.2 liter engine ignition timing is the sequence that allows the engine to run smoothly. The ignition timing is synchronized with the crankshaft position sensor.
If your engine backfires when trying to start and the valve timing is correct, then it could be electronic ignition unit or the pick up that causes the spark to occur with wrong timing.
ignition problem
Ignition Timing Advancers are mechanical 'bolt-on' pieces to advance the ignition timing of the engine to a specific degree of timing advance. The majority of its application for these parts are for motorcycles or on racing applications.
Ignition Timing Advancers are mechanical 'bolt-on' pieces to advance the ignition timing of the engine to a specific degree of timing advance. The majority of its application for these parts are for motorcycles or on racing applications.