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Aluminum wont rust but it will cause the steel its touching to rust like crazy, I have to break down my trailer and repair steel that is starting to rust heavily because its been in contact with aluminum plate for 3 years.
For a truck under body I plan to go with galvanized sheet steel or something nonmetalic like plastic or fiber glass.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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