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Old 02-02-2007, 01:13 PM   #11
fdryer
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Join Date: Jan 2006
Location: NYC
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2003 L-Series 3.0L Sedan
Default Re: Fact or Fiction?: Premium Gasoline Delivers Premium Benefits to Your Car

fireman5031,
It can reasonably be assumed that if the owner's manual specifically states that regular 87 octane gasoline is recommended then one should follow the recommendation. As it stands, why would vehicle manufacturers state in the owners manual one octane rating if the car absolutely requires a higher octane? If it can be proven without a shadow of doubt by an independent entity that can be accepted in a court of law then there are definite ramifications. Those ramifications are a failure to disclose, misinformation, false advertising, liability issues that the unknowing public will join together to litigate the vehicle manufacturers, and a sense that the vehicle manufacturers are conspiring to defraud the automotive public. By following the manufacturers recommendation instead of word-of-mouth hearsay you are using the minimum octane required to operate you engine properly. A higher octane is just more money for the gasoline retailer and little benefit to your motor, all things taken into consideration. The car isn't hauling a yacht, four atv's, a motorhome, etc., that would create an undue load upon the engine/transmission system. Then it might warrant buying hi-octane for the time being to allow the engine the slight advantage because of the higher engine load otherwise regular unleaded for everyday use.

By recommending fuel with an octane rating the vehicle manufacturers are protecting themselves from this liability issue especially when a higher octane is needed for high performance engines which are spelled out in the owner's manual and probably labeled appropriately inside the fuel door in bold letters.

Last edited by fdryer; 02-02-2007 at 01:23 PM..

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