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Octane - as per manual '89 745T 700 1989

posted by  NJC on  Tue Aug 2 15:31 CST 2005
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last visit: Sun Jul 24 13:42 CST 2011
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From my manual:

"Volvo engines require unleaded gas with an (R + M)/2 octane rating of 87 or higher."

...

"For improved performance, we recommend the use of premium unleaded gas ⏧ or higher]"

Strange as I had expected Volvo would recommend a higher octane for a turbo. 87 is the cheapest you can get and although the car runs fine, it seems to run better on 89.

I had been running 89 octane for a few tanks and then I went back to 87 ... my car seemed sluggish.

I guess it could be retarding the timing while using the 87 octane..?
--
Norm Cook; Vancouver BC; 1989 745T 208,000KM






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New Octane - as per manual '89 745T [700][1989]
posted by  NJC  on Tue Aug 2 15:31 CST 2005 >


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