My MGB was originally a pastel yellowish color. It had been repainted red, then body rust, etc... I had the body restored and repainted a turquoise green. But the engine compartment was still that yellow. Fast forward 20 some years when I was applying for classic car status. The requirements are 'all original, pristine look'. They had no problem with the new paint, but the dirty yellow engine bay was a no-go. One can of engine clean and a power wash, followed (when dry) by a can of flat-black high heat paint and the engine compartment looked great. Passed the classic requirements with no issues.
... View more