5.0L Tech
Hey everyone,
I just bought my first mustang 5.0. Its a 1988 mustang 5.0 lx and when i bought it, it had about 5 gallons of fuel which was regular gasoline (87 octane). I was reading on other forums to not use regular and to use 92,93 octane. I used 93 octane(premium) even though the previous...