Many places use different gas formulations in the winter to make friendlier
emissions. Side effect - you get worse mileage, so you probably turn out
MORE emissions overall.
Jim Miller wrote:
> In the summer my R/T runs pretty well on 87 but in the winter it will
> knock
> unless I use 89. Could it be that cooler air in the engine causes more
> spark advance?
> JIm in Waco
>
> kwreimer wrote:
>
>> WOW! Your truck runs ok on 87 octane not mine. i need at least 89 octane
>> Baby.
-- -andy andylevy@yahoo.com Maintainer, DML FAQ - http://www.dakota-truck.net/faq/ http://home.twcny.rr.com/andylevy/dakota/ '99 CC 4x4 318 auto
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