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ThunderbirdJunkie -> RE: Altitude (4/7/2012 2:33 PM)
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quote:
ORIGINAL: mervman16 quote:
ORIGINAL: quietnas1 Did you tune both the high and low speed needles? Is it a brand new truck, or did you buy it used? Have you had it for sometime? What type of engine do you have? I know out send like alot of questions but out will help in getting a better understanding of what is going on. Yes i tuned both needles. i bought it new about a year ago. rebuilt the engine. about 1 and a half gallons of fuel through it. it has the F4.6. You don't want to go as "lean as you can without ruining it". Tune for performance, not "how lean it is". Watch some tutorials on YouTube.
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