What are the mod on your car? What does it run? Do NOT get rid of the speed density. I will help you through the surge and idle problems.
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Jason B Johnson
88LX,speed density,edel heads,4.30s,B-303,cobra,tremac,
12.38 @ 111.28 1.80 60ft 28X10 street tires
12.17 @ 112 26 X 10 slicks
http://www.mustangworks.com/mustangs/pictures/Listing347-slot3.jpg