got a 04 #3cyl piston that deteriorated,valve indintation, and alum melted on cyl wall- head is cracked(of coarse) i managed to scrape the crap of the cyl wall and hone, got 1 grove thats gonna stay, owner wants a head and piston put in, rod and crank looks fine spent 2hrs on cleaning cylinder plus cab off and eng removed ben on the rack a week , all parts will in the 6th 120k on motor this happened after egr cooler replacement and on the test drive after replacement, customer pay! he says it never missed when he brought it in, but had been adding coolant for over 10k miles. he wont long block it!too funny, any comments?