VW T4 Project – War against Rust – Battle I – temporary lost

I am a bit behind my reporting schedule, but several things have happened the past days. I’ll post them in chronological order.  First of all the rust on the fuel tank cap is back. I really should have used zinc and a bit more sanding on it:

I am going to use a different rust converter on it, it might help when it arrives: It is called owatrol rust converter.