Some of those old engines gave timing it was suppose to fire at in measurements before top dead center .You do the same with a timing wheel most being 26 to 30 degrees before . Just another option
Thanks, Al. The last I knew of timing wheels was in hot Rod magazine when we all had crew cuts and rolled the Camels up in our t shirt sleeves. I need to check on a source for a timing wheel suitable for a small engine.
I've made them ,it's not that hard to do .I use mylar adhesive transfer compasses from McMaster -Carr at about 8-10 bucks a pop and a round aluminum disc . This is a 6" left hand rotation .You can however search the net and print a compass on printer paper and do the same thing .Use a piece of stiff cardboard for a backer .
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