Originally Posted by ChevroletSS
Hey guys I started taking my 350 roller apart and wanted to get your alls opinion on these main bearings. Do they look normal for having 150,000 miles on them?? Why do they get copper colored??
Id say are normal for mileage. Warn past usabilitty but normal. Check to see you have adiqut oiling at start up. This is ususaly indicitave of loss of or low oil pressure at start up. Extensive cranking at start up will cause this type of wear.