Has anyone diluted Mr. Surfacer and used it through an airbrush for a primer? I would like to know about dilution ratios and any possible harm to the airbrush.

I used it for quite a while now. I heard about others using lacquer thinner, but I always used Gunze Mr. Color Thinner and never had any problems with it.

SeanSki
http://www.pme.org.pl
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"Car's grip is greatly reduced when wheels are not touching the ground" - Steve Matchett