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View Full Version : Octane for 1990 Mustang GT


gchandler
01-13-2006, 08:08 PM
I just bought the car, it is stock, what octane is manufacture recommended for this car?
gchandler
01-13-2006, 10:34 PM
Bueller...









Beuller...
derekf
01-17-2006, 04:11 AM
87.

https://www.pro-touring.com/forum/showthread.php?t=14164

(moving thread out of Emergency Room)