When is it good to Sand/ Media blast your car?

1968FormulaS340 said

That is a very bad way to strip a car.

Fst73_360...... Why do you think you need to strip your car all the way down? This shouldn't be needed unless the car has several past paint jobs.

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Looking through the restoration threads, I like how smooth and clean the car looks after its stripped and primered. But I guess I can get that same look with out the need for blasting it and save money on the winshield gaskets.