Re: need help
A GT is a SOHC 4.6L. Factory calibration is based on 87 octance fuel. The better fuel you can run, the better for the car IMHO. If you run 93 all the time, then you can have the car re-calibrated/tuned to make use of the extra octane.
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Jeff Chambers
1990 Mustang GT 10.032 Seconds / 137.5 MPH
14-time Street Warrior World Record Setter
CRT Performance
2001 Tropic Green Mustang GT - 12.181 / 113.2 MPH
2002 Ford F-250 Crew Cab 7.3l Power Stroke - 17.41@77.2
"There's nothing boring about a small block automatic shifting gears at 9400 rpm!"
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