WITHIN OEM STANDARDS

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Scott wrote:


In the 1980s Ford said their new engines were designed for 1500 miles/qt. to better lubricate the valve guides and that 400/qt. was "acceptable." They later doubled that when a state attorney general sued them over this.
At about the same time, VW went further and said 200/qt. was acceptable so they wouldn't have to fix valve seals that almost failed by 30,000 miles. But the EPA got after them because this also caused excessive hydrocarbon emissions, so VW issued a recall that included Teflon seals, a valve adjustment, and elimination of the EGR valve. My Rabbit ended up having no emission controls except the charcoal canister and a vacuum advance delay valve.
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