T that_one_dude New member Jul 12, 2009 #1 I have a ford escort LX 1997 and I usually fill it with octane rating 87. Will putting in 91 or 93 be a better choice? What are some of the good effects and/or negative effects?
I have a ford escort LX 1997 and I usually fill it with octane rating 87. Will putting in 91 or 93 be a better choice? What are some of the good effects and/or negative effects?