Quote:
Originally Posted by Piotrsko
Never changed #6 plug in a V6 s10? I know of examples where the plug stayed the entire life of the truck
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I remember when PORSCHE introduced platinum spark plugs. Lots of of non-Porsche owners bought them, thinking that they had superior performance than what they'd been using all along, only to learn that their only attribute was electrode longevity, not 'performance'.
The 'cost' of a tune-ups with new sparkplugs on the 6-cylinder engines were so prohibitive to many owners that Porsche pulled the trigger on the 'longer-lasting', 100,000-mile BOSCH technology.
Some local shops are currently fleecing customers, implying that tune-ups and oil changes need to be performed at shorter-than -necessary intervals.
Public education. Wouldn't want any.