Originally Posted by drath85
mine just happened actually, 140,000mi, #4cyl. just did a total rebuild with a 20 over bore and a port and polish, new valves and new seats and it runs fantastic now! i can feel a lot more horsepower than before.
Post back in 30k miles. Curious.
-After zetec swap, car never ran right.
-Was a member of the "#2 dropped valve seat" club...Twice! Now a SPI->Zetec club member.