Thread: Why some rust and others don't.

Scenario - two puma's of same age and as close as can be determined have had the same lives. One has constant issue with rusting door bolts (swapped out once and rust quickly came back) and the other has absolutely none.

The only difference beteen the two that can be determined is that the one that gets the rusty bolts has a four pad electronic protection (yes, I know...) and the other one is an SVX.

Thoughts?

Your thinking of the product called Duralac, which we use at work alot in marine for dissimilar metals which is like a tacky liquid in a tube which will set hard. its great stuff but on threads can be a challenge if you need to undo them,
a friend bought his patrol with a system like this and after 3 years his tray looks like a ship wreck of rust but the cab and chassis ok, we thought maybe the way the system was set up it has used the tray as a sacrificial anode
but very strange, i still think heavy fish oiling is the way