Quote:
Originally Posted by Dronston
I think those are valve rockers but I am by no means a specialist. I have no idea if these colors were used, I always thought there were read or otherwise the same color as the engine block.
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If you mean the blue 'bars' on the diesels, yes they were painted to protect against rust and to stand out a little. Normally these would be bare metal, which offcourse rusts if you dont use it (running the engines) or oil it nearly everyday.
