I use a heated Ultra Sonic parts cleaner with a Simplegreen product that is formulated to use with aluminum. This cleaner works great, and leaves very little residue. This cleaner also will not darken aluminum like some cleaners will do.

Simple Green SMP13406 Extreme Aircraft and Precision Cleaner

Last edited by Gdads51; 03/01/2026 6:13 PM. Reason: add direct link to product source

~ Craig
1958 Viking 4400
"The Book of Thor"
Read the story in the DITY
1960 Chevrolet C10
"A Family Heirloom"
Follow the story in the DITY Gallery
'59 Apache 31, 327 V8 (0.030 over), Muncie M20 4 Speed, GM 10 Bolt Rear... long term project (30 years and counting)

If you don't like driving yourTruck, you won't drive yourTruck..| Living life in the SLOW lane