[razerwire]

Have to run 112 leaded in my sand car, not to big of deal because my trailer has 100 gal gas tank and nozzle in it. But its more of a pain in cobra, when motor was built 10.25 to 1 works with pump gas in cal, which is 91 octane. You can go to the distributor and get what ever you want. With electronic fuel injection and knock sensors the computer adjusts to what fuel you run.