Funny, my motorcycle (1999 Honda CBR1100XX) has a ratio of 11:1 and it runs on RUG-87. It also Compression ratio can't be the only factor in determining octane rating required.
http://www.motorcycle.com/mo/mccompare/97opensb/honda.html :) Tim 1982 300TD 1991 300TE 4Matic --------------------------------------------------------------------------------------- Date: Thu, 4 Jan 2007 17:55:39 -0500 From: "Mike Canfield" <[EMAIL PROTECTED]> Subject: Re: [MBZ] compression ratio 300SL That's what I was looking for.......Compression ratio that high most certainly requires high test. ----- Original Message ----- From: <[EMAIL PROTECTED]>
If thats the 300 SL I'm thinking about its 10.5:1
