S steveh Joined May 25, 2005 Messages 1,023 Location wisconsin Mar 21, 2009 #1 What is up with the octane of preimum unleaded? Most gas stations in my town have lowered the octane from 93 to 91.
What is up with the octane of preimum unleaded? Most gas stations in my town have lowered the octane from 93 to 91.
T tropic Joined May 6, 2008 Messages 549 Location New Mexico, U.S.A. Mar 21, 2009 #2 Sounds like progress to me.
C chevrofreak Joined Jun 17, 2005 Messages 4,942 Location Billings, MT Mar 21, 2009 #3 Most premium is 91 around here. You don't need as much octane at higher elevation.
H HTSS_TR Joined Apr 17, 2006 Messages 19,528 Location Lake Forest, CA Mar 21, 2009 #4 Premium was lower to 91 in California many years ago. When it was 93, I filled up my tank with 1/2 premium and 1/2 mid-grade to get 91 as required by my car. Now I have to pay full premium price to get 91.
Premium was lower to 91 in California many years ago. When it was 93, I filled up my tank with 1/2 premium and 1/2 mid-grade to get 91 as required by my car. Now I have to pay full premium price to get 91.