I have heard this consistently a long time; just experienced it for myself.
I was in the "auto" area of S. Tacoma, WA recently and stopped in their HQ. Enjoyed their sports/super car display (more below), and also picked up a can of "Engine Bay Dressing." Good stuff. I posted about it here and some snaps of their rotating car display.
So here is the deal. I have this 98 mustang base model with the 3.8 v/6 engine. It is a very clean relatively low mileage car. I am using it to show at car shows, all stock, of course. I do not want it to fall into the modified class. The thing is, the engine and engine bay are all very clean as...
bobistheoilguy.com
I am going back over to that area later today to pick up the paint I originally went to have mixed. I may stop back in to see what else might interest me. I may check out that glass sealant as that could be a bonus in the non-summer months here given the rain volume.