It is becoming difficult to get solar red. I purchased some Dupont Acrylic Lacquer before they stopped mixing it on Jan 1 this year. Take a look at my webpage http://www.geocities.com/jims68fb/SolarRed.html to see the codes and the stuff I purchased.
I had tried to get some urethane mixed for it but the paint shops told me none of their urethanes had the formula for the solar red (Chevy matador red). They tried to computer match some and it turned out too orange.