Has anyone figured out how to keep the oxidation away on the original single stage enamel? My car still has the original coat of Orient Red on it, I'm having it cut next week.

Has anyone found any kind of sealer that will keep it from clouding back up? And yes, the car lives outside.

I can use a harsh wax every 8 weeks and the car looks good, but I want this old girl to SHINE for the car show I've entered it on Fathers day.

Thanks

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1981 240D Four on the floor, Orient Red over Parchment, bought with 154,000 but it's a daily driver and up to 180,000 miles, mostly original paint and all original interior.