Cleaning an aluminum engines (LS-1) exterior ?

[Che70velle]

Originally Posted by BMR Sales

Sounds like it is together if he is ready to install it

Lol...I guess I should have carefully read the entire post first, huh?

TJ, I sprayed my aluminum engine with a mag wheel cleaner, which contains sulfuric acid. The stuff is harsh, the fumes will harm you, and it will cause unpainted steel/iron to rust almost immediately, if you get the spray on it.
BUT it will make the aluminum a consistent, uniform finish. Will it stay that way? No. All of these aluminum engines turn that way eventually. I guess if you coated the engine with a sealer afterward, it wouldn't do that, but I'm guessing.
I tried other cleaners/degreasers first, like Greased Lightening, and Purple Power, but the spotting still remained. It was like new when I installed it, but 500 miles later, it's back spotty again. I'm sure there are other options out there, but just saying what I used.