8100 mi. and head gasket is weeping a bit of oil. loosened all head bolts and re-torqued as per re svc. manual in 3 stages: 10 ft.lbs.,15 ft.lbs. and then 18 ft.lbs. (book states 24 nm).
still appears to be weeping slightly. should i take it to 20 ft.lb., or just plan on replacing?