I've found that using simple green is very effective most of time, by just letting parts soak overnight. But for parts with old hardened dry grease, I use GunK GP, which can be had at Ace Hardware or the local auto supply. But keep it away from the rubber parts, it will desolve them in time.
After I use the Gunk, all alloy and steal parts are put into a bath of Ospho, which is a waterdown acid which helps get rid of rust, and helps keep rust from returning. Alloy and steel part usually come out with a nice sheen.
The best if you can afford is an ultrasonic tank. Most parts will come out looking pretty nice but the cost is prohibitive.
Peter Naiman
Glendale, WI
> I tried cleaning some greasey grimed ol' Campy
> chainrings, today. I began w/ WD-40 But, It's been
> reformulated and rendered useless on serious gunk,
> along with other once proud over-the-counter brake
> parts cleaners and engine cleaners.
>
> Are there any effective solvents still available in
> these environmentally friendly modern times? Can
> anyone recommend something from the cleaning isles
> of 2005 department or auto parts stores? Or
> elsewhere? I found a citrus solvent a few years
> ago. I think it was called "Xenox." The stuff
> worked almost instantly. It cleared sinuses, too.
> Unfortunately, it was taken off the shelves a few
> months later.
>
> Scott Chemically Challenged Davis--ST. Paul, MN USA
>
>
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