[Shop-talk] Metal cleaner for paint prep

[Bob Spidell]

Listers,

I've had a new iron gate built for our ranch. I'll paint it using 
Rustoleum self-etching primer and enamel; what is the List wisdom on the 
best prep/cleaner: acetone, brake cleaner, lacquer thinner, etc.? I know 
they'd all work pretty well; any favorites? Drawbacks? Note the iron was 
protected with some sort of oil/grease/wax.

TIA,
Bob