While working at Saleen & Shelby American I assisted 2 different EPA Certification engineers to get the cars EPA certified. Both engineers insisted on never using anything but Chevron Supreme fuel in the vehicles until they passed. That's all I put in my cars to this day.
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OE engine rebuilt,3.6 litre LN Engineering billet sleeves,triple row IMSB,LN rods. Deep sump oil pan with DT40 oil.
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