Can I just go back to 87 if I use 89 for my car?

  • Thread starter Thread starter Gerard G
  • Start date Start date
G

Gerard G

Guest
My car supposed to be using 87 unleaded but I use 89 unleaded plus instead.Can I just go back to 87 unleaded eventhough I am using 89 unleaded plus for 3 years already?
 
Back
Top