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1997 to 2003 F-150 4.2L, 4.6L, and 5.4L equipped F-150s

 
 
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Old Sun, October 25th, 2009, 03:37 AM
AZFX4 AZFX4 is offline
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I have a 03' FX4 with a 5.4 and 3.55ls rearend. Cai and Exhaust and Gryphon using canned tunes. Using the tow tune the best 0-60 I got was a 8.62... After seeing people getting mid 7s to high 7s, to me that is horrible.. And I don't break traction either.. Feels like I lose power of the line, like it lags. And then it lags at 55mph..

My buddies 04' FX4 with exhaust and Edge ran a 7.6, he just installed a CAI and ran a 7.2...
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