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Re: Min. Oktan?

91RON/ROZ = 87 R+M/2 (or something) 

It's just a different way of calculating the octane.  If you're in the
States, the sticker means 87 octane.  I think that there's an explanation
of it in the owner's manual or Bentley or other.

Later

James A. Gardiner
Georgia Institute of Technology, Atlanta Georgia, 30332
Internet: jg140@prism.gatech.edu

'85 'rocco 


On Mon, 5 May 1997, Benton Yoshida wrote:

> 
> 
> I noticed a sticker on the doorjam of my '81 that reads:
> 
>         Oktan min. 91ROZ/RON
> 
> Does this mean that my car requires premium?!  Is the 91ROZ/RON the same
> scale as the RMS or whatever method used for calculating octane?  I can't
> believe that with a 8.0 or 8.5:1 engine that I need premium.  Is this why
> I've been losing stoplight showdowns to Vipers?  TIA, TIA, benton-------
> 
> 
> 
> 
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