1). Better ring protection (better sealing, etc)
2). Better valve stem seal protection (prevent them from just becoming rock hard and leaking out oil into the combustion chamber)
Which would be best in this scenario?
3000+ mile change intervals are not needed.
2). Better valve stem seal protection (prevent them from just becoming rock hard and leaking out oil into the combustion chamber)
Which would be best in this scenario?
3000+ mile change intervals are not needed.