[BUXMAN66]

thanks guys!just wondered if anyone else had noticed this before.i think i'll give it a coat of por-20 aluminum header paint.tried the brake cleaner,gas on a rag and scrubbed,carb.clnr.,simple green(in concentrate)nothin'worked!word to the wise,good idea to clear coat it b-4 installing to seal the pores of the rough cast alum.thanks again!

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'68 swb 350/350 w/edelbrock total performance-performer pkg.ceramic headers,2.5" delta-flow 40 series flowmstrs.restored guage dash,interior,pioneer shaft-style stereo w/advent 300w 3way 6x9's,lift-up shock mount tonneau cover.drums w/6 lug alum. wheels w/knock-off's.