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Vanspeed · 09-21-2010, 10:45 AM

I usually use unleaded regular in my car but I notice when I fill up, the car runs strange for a bit, then clears up. I am talking about 89 octane. What do you use and what is recommended for stock model a's with a 5.5 head?

09-21-2010, 10:45 AM	#1
Vanspeed Senior Member Join Date: May 2010 Location: Suttons Bay, Mich. Posts: 3,386	what gas do you run? I usually use unleaded regular in my car but I notice when I fill up, the car runs strange for a bit, then clears up. I am talking about 89 octane. What do you use and what is recommended for stock model a's with a 5.5 head? __________________ *Respecting and Resurrecting Ford Model A's.*