2000 Tundra 4.7 - 235k miles.
Current owner has used synthetic oil at 6-7.5k intervals since 70K.
Valve covers were removed due to leakage; all of the gaskets were rock-hard.
Current owner has used synthetic oil at 6-7.5k intervals since 70K.
Valve covers were removed due to leakage; all of the gaskets were rock-hard.