What do you think about this statement.........

Brooks James said
"Antiquated", Quaker State, er I mean
guaranteed sludge
An intake valley in a Ford once was so sludged from it I had to scrape off 3/4 inch of sludge

Yup sludge cleanup was a given any time valve covers or intake came off. Making sure the return homes were un obstructed. I remember you never knew how bad it was going to be it was always a surprise.