1st stop now needs to be at a high pressure wash place or a truck stop steam cleaner.
You will find there are decades of experience here and folks are very willing to help. In my time on line its one of the best and most responsive forums I have encountered.

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1985 300D 198K sold
1982 300D 202K
1989 300E 125K
1992 940T

"If you dont have time to do it safely, you dont have time to do it"

"The democracy will cease to exist when you take away from those who are willing to work and give to those who would not."