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Posted by Jerry in Idaho [69.59.83.175] on Thursday, October 20, 2011 at 15:24:06 :
I am making new ones for my WDX. I'm using white oak, and will soak them in some Thompson's Water Seal I happen to have.
The reason I am posting this is I have seen several posts on cab blocks a and RB blocks in the past. Some have suggested using pressure treated wood, due to availability and simplicity, I presume. What some might not know is this: you have to be very careful using some types of pressure treated wood in direct contact with steel. The chemicals they are now using will literally dissolve a nail, washer, joist hanger, etc. For this reason, the industry watchdogs are requiring the use of "hot-dipped" galvanized nails, washers, hangers, etc.
If you are considering making your own blocks, be sure you don't end up rotting out the floor of your cab or your running boards.
JH
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