09-08-2013, 06:02 PM
Took some elbow grease with GoJo. It does work, but as any consistent thick grease-like substance will need to be removed then, together with the dirt. When we are talking surfaces, it's just fine, but small creases like knurling, it is labor-intensive.
OK, here are some "After" Photos.
OK, here are some "After" Photos.