Rustoleum Sunburst Yellow is a good match for the later PM saws but is a bit darker/more red than the earlier SP type models. Some Safety Yellow paints and older John Deere Yellow are a better match to the original shade of yellow that McCulloch used. I have even put light coats of a safety yellow over the Sunburst yellow if the safety was too light.
Your procedure should yield good results. I put my freshly painted parts in the attic of my garage in the summer months (around 140 degrees F) or above my wood stove in the basement in the winter months (that spot can reach 100 to 120 degrees F) and leave them for several days if possible.
I have been printing a few additional silhouettes lately, bonus points to the first correct answer on all 5.
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I thought I had the piston I need for an upcoming project, I decided it is time to move all of them over to the new shop and get them properly documented. Turns out I have enough 68098 pistons for the PM6/Mini Mac saws to last a few years.
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Mark