Thread: What kind of paint?

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If the paint is not cracking, blistering or peeling, and there are not more than one or two paint jobs on it, You can probably paint over it without major problems.

Lacquer paints won't be a problem, but if it has an air-dried enamel, it may be sensative to the newer style paint reducers.

Clean it good with wiper, sand thoroughly, and do the bodywork with a filler that is okay to use over paint.

The rust preventative is only necessary if you expose bare metal.

Since you don't know what the old paint is, or if it will lift (shrivel) when you paint, use a catalyzed primer, with a fast reducer, and put at least three heavy coats on. Make the first coat a thin one, then allow the coats to dry well each time, before spraying again. (A catalyzed (2-part) primer will protect the old paint from being attacked by the new paint.)

Spray a thin coat of a different color (guidecoat), then sand it flat with 360 or 400.

Touch up the flaws in the body that you will find. Spray the repairs with a sealer just before you reprime, or paint.