454 L29 1997 moves to next stage of repair
So the trouble started last September when a fill up in NJ, (55 gallons), yielded a pinging and suspected bad gas. Then with confirmation it was not the gas, and after idling with octane booster, the ...
Forum Discussion
The purpose of roller lifters is to make up for the lack of ZDDP in modern oils. Old engines will wear the cam prematurely with the lower ZDDP content.
