I always thought a cheap easy way was Pam or cooking spray. coat the areas before you go and it wipes right off later at wash time. You can raid Mama's cupboard and it would be free.
T.
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2000 Blk GTP: TOG, Borla, SD-Hood, GPS PCM, Modded ASCD Intake, FPR, Buick STB's, 3.4, 13.69@104.3, soon quaife LSD.
2001 Torch Red/ Mod Red Z06, Stock 12.55@ 116.44