[TR] Octane

TERRY SMITH terryrs at comcast.net
Sun Sep 23 07:26:25 MDT 2018


Just curious.  Why is Premium gasoline recommended for a TR3 (and I suppose other Triumphs?)while regular is just fine for other vintage cars.  I know it's to prevent knocking, but how and why?  Does it have to do with being a short-stroke engine or something?  

Thanks, everyone,
Terry


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