BTW the hotrod article (i found it online) says that new oils may not be good for .. drum roll please... "for older flat tappet-equiped vehicles, running non-stock, preformance cams, and valvetrains."

Also that the issue is NOT just with the oil but with poorly made and heat treated cams and lifters.

http://www.racingheadservice.com/Information/ArticleDetails.asp?ID=-1228096506

52 Chevy 1/2 ton - work in progress
65 Mustang coupe - work not in progress smile
67 Mustang GT convertibile
67 Camaro RS/SS
We are now even with fords and chevys. smile
Now i need a mopar. Hahahahahahahahaha