What is need?
There will be no harm in using a HM oil now.
And very likely benefits.
Slightly thicker is the right direction for older engines.
More additives are good.
Seal conditioners can help prevent or cure those type of leaks.
There will be no harm in using a HM oil now.
And very likely benefits.
Slightly thicker is the right direction for older engines.
More additives are good.
Seal conditioners can help prevent or cure those type of leaks.