Quote:
Originally Posted by island911
Some use oven cleaner on the cheap.
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I tried this once and it left a blotchy dark gray finish on the aluminum. Might've left the cleaner on too long...
A local guy had this VW engine case vapor blasted after it sat outside half-buried in muck for 20+ years. Now this case is magnesium, and I don't know if aluminum can be treated in the same way, but it might be worth looking into.
https://www.raptorblaster.com/what-is-vapor-blasting-wet-blasting/
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'67 912, '70 911T, '81 911SC, '89 3.2 Targa - all sold before prices went crazy
'25 BMW 230i coupe - current DD
'67 VW Karmann Ghia convt. & '63 VW Beetle ragtop - ongoing projects
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