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Yes, aluminum in contact with steel will promote galvanic corrosion. Add a coat of paint between the two surfaces or maybe some herculiner, undercoating, etc. and that should take care of it.


true BUT, how many years (dozens, hundreds??) will it take until there is enough corrosion to make a difference in height, or structurial properties.
Kary

1987 Mitsubishi Pajero "Modified"
The other original Mitsu brother
Northwest Trailmaster