Three oil filler tubes compared on an aluminum engine cover cast…

Close-up of an aluminum cam-cover or valve cover rail with three curved oil-fill/breather tubes stood on top for comparison — one rusty and heat-stained, two clean cast-aluminum elbows with flanged bases — plus a corroded tube sleeve. Machined bolt holes run along the casting, with more aluminum engine components and a handwritten note visible below.

AI caption February 2009 · Photo 268 of 465