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Old 08-14-2013, 02:40 PM   #715

GretchenGotGrowl's Avatar
Drives: 11 F150 EB/13 Sonic RS/15 Z06
Join Date: Sep 2010
Location: Little Rock, AR
Posts: 7,133
Originally Posted by etmx183 View Post
What plugs do you use? Autolite XP5263? Hearing a lot about Brisk plugs??, any information you could give would be very thankful.
Back to stock. We tried one step colder and it didn't like it in the mid RPM range.
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