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Regular gass


Vehicle Information: Model: cpe; Year: 1969; Body Type: Coupe; Engine (type, size, modifications): stock; Total Mileage: xx6954;

I hear so much talk about the need for fuel additives and the quest for high octane gas in the 912 community, but my car runs great on regular gas (89 octane I guess). I used to get terible guilts about not running premium, but the car never knocks & gets +30 MPG on the highway, making for a really economical sports car. Car has a big bore kit, but otherwise stock.It shows 125- 130 compression consistently during big tuneups over the last 4 years. There is no discernable difference in performance.Can I start sleeping at night or should I go back to premium gas?

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