Hi Mark,

Just out of curiosity, ever do a reverse leak-down on this thing and check for good head gasket integrity between cylinders?

Almost sounds like timing / timing advance isn't the root problem, but then again, I'm a Jap car specialist.

"TheLugN... Login to read more.

iATN Members:
Login to read this message and participate
Auto Repair Pros:
Join iATN to read this message and others
Vehicle Owners:
Find a nearby iATN member to repair your vehicle