That was the thought back then but they didn’t seem to do much in the way of preventing coking. They did catch stuff but the buildup seemed to happen just as fast with or without
That was the thought back then but they didn’t seem to do much in the way of preventing coking. They did catch stuff but the buildup seemed to happen just as fast with or without
With the amount of people tracking the same issue on the old Mazda speed forum, I’d doubt it. The pcv system was known to lose ring seal on those engines as well.