In January I sprayed some SPI black on a 63 Impala restoration. Gave it 24 hours to dry and then cleared with Universal 4000/Normal activator. Having trouble getting all the micro scratches buffed out. Waited 2 weeks. Could not get any good days to get it out into the sun. Horrible winter here in Iowa. Hand sanded with 1500 and followed with 2000. Buffed with Presta on wool followed by foam. Polish with foam after that. Some swirls showed up when I pushed it out into the sun. Inside it looks fabulous under a regular light bulb but get the reflection of window light and you can see the micro scratches. This is my first time with Universal, so need some guidance. Forecast shows some sunny days coming up with highs in the upper 40s.