Quote:
Originally Posted by Pfiffle
........and set dwell first or not needed.?
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Speaking of tune up procedure on points only, You set the dwell after you have initially set the point gap statically. Adjusting the point gap (on stock GM type points) while the engine is running is setting the dwell. Dwell is a term applied to how long the points are closed during firing of each spark plug, which is how long the coil is allowed to discharge it's high voltage charge. The dwell setting is the fine tuning, the initial point gap is the coarse tuning. Here is a link from an online dictionary.
ttp://100megsfree4.com/dictionary/car-dicd.htm