Originally Posted by kstanf150
The worst engine I've ever cracked open was a 1978 Chevy 305 (this was back in 1988) that according to the original owner the only oil ever used was Valvoline.
The sludge was so bad the oil drains at each end of the heads was almost closed shut....it was a mess.
Proves all oils have limits
What it proves it not all cars are maintained as they should be.
The worst engine I've ever cracked open was a 1978 Chevy 305 (this was back in 1988) that according to the original owner the only oil ever used was Valvoline.
The sludge was so bad the oil drains at each end of the heads was almost closed shut....it was a mess.
Proves all oils have limits
What it proves it not all cars are maintained as they should be.