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960 octane survey 900

The control system for the car contains two knock sensors and the algorithm in fact keeps the engine running at the edge between knock and no knock. It primarily does this by altering the ignition timing.

I've experimented with milage and acceleration runs to see if there was any difference between 89 and 93 the two upper ratings available at the Mobile station I use. NONE FOUND!

I use the 89 most of the time. If I'm going to be pulling my boat trailor on a hot summer day I will treat it to 93.

In fact, with the issue raised, I think I'll try the 87 cheap stuff!
--
'96 965 with 16' wheels at 112K. Had '85 745 Turbo Diesel for 200K.






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