Jump to content
Ultimate Subaru Message Board

page 1-5 in 1982 Subaru 1600 and 1800 Service Manual about octane


Recommended Posts

But what is "octane" in this case? Research, Motor, or the standard at the pump, (R+M)/2?

 

My bet it is Research, because I can't see why a low compression engine like an EA81 (8.5:1) would need (R+M)/2 = 90, which is a midgrade or even premium, depending on the market.

Link to comment
Share on other sites

Please sign in to comment

You will be able to leave a comment after signing in



Sign In Now
 Share

×
×
  • Create New...