Re: media blasting - special considerations?
Ask a shop what media & pressures they use. To strip the paint, it is best to use plastic at about 35 lbs., and then the fastest way to get the rust to disappear is to use Aluminum Oxide at about 45 lbs. Low heat build-up when AO is used at that pressure. AO is much sharper than glass or sand and thus can be finer in grit to do the same job. DO NOT ASSUME just because they do media blasting that they will be competent in your sheetmetal. Have a talk so both of you understand what is expected.
BTW, in our area it generally runs about $125 an hour and to thoroughly do a Coupe body, doors, deck lid, tank, W/S frame and all of the floor pans (removed) and the body on a rotisserie takes about 6-8 hours.
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