no mate it wont remove the laquer, back in my early days of valeting we used to de-wax the toyota vans when they came off the transporter with the machine heat cranked up full blast and it only removed the transport wax that they put on in the factory to protect it whist in transit,
if your getting them powder coated anyway its worth thinking about nitromorse yourself or to save the hassle just get them blasted!! it could work out cheaper in the long run.