Steel rod life expectancy

[joespanova]

Originally Posted by Ed Wright

SBC? Why so much clearance? You do know that aluminium rod will expand much faster than the steel crank, right? Imagine how loose they are at operating temps. I don't run my steel rods that loose.

Well , I don't know what to tell ya........engine builders a lot smarter than me have run em that way for years........if I ran em tighter and it failed I'd be blaming it on that.........