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2004 to 2008 F-150 and Mark-LT
4.2L, 4.6L and 5.4L equipped F-150s and Mark-LTs.


View Poll Results: What engine do you have?
4.2 0 0%
4.6 56 26.17%
5.4 157 73.36%
Other 1 0.47%
Voters: 214. You may not vote on this poll

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  #1  
Old Wed, February 18th, 2009, 07:00 PM
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Quote:
Originally Posted by Buckeyes903 View Post
What is broken in? My 08' just got to 20k, is it safe to assume that is broken in?
Yup....... My truck became noticeably more lively starting about 15k or so.....(even on stock tune)!
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  #2  
Old Thu, March 5th, 2009, 12:40 PM
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Another 4.6 guy over here.

My 0-60 is closer to 10 seconds I think !

Also on a 6" lift, and running 3.73 gears, true 35" tires load range E (heavy SOB's !) 18" rims, and no real power mods yet. Too many other projects going on right now.

If its dry when I get home, might hop in the truck to see what I can get. Been awhile.
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  #3  
Old Mon, April 6th, 2009, 01:51 AM
Desert Racer Desert Racer is offline
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5.4 in mine and did a 0-60 run got a 8.6X with 35's and 3.73 gearing yet the tire size was set at 23XX which is wrong so it should be better.
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  #4  
Old Wed, June 17th, 2009, 01:34 PM
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What altitude are you guys at? I'm at 5000 feet and I could only muster a 9.04 sec 0-60 time out of mine with my current mods. I need some custom tunes pretty bad, but then again I only have 5200 miles on mine right now. Will it be substantially better once I get near the 15k, 20k mark?
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  #5  
Old Thu, June 18th, 2009, 07:40 AM
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I never checked my 0-60 or 1/4 times. Perhaps when I get my programmer back I'll try a few runs on stock, and one of the performance tunes. Just have to think of where I can get some open road...requires a little drive to the farm lands to get away from traffic.
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  #6  
Old Fri, June 19th, 2009, 02:54 PM
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BlackSTX, if you get me some 0-60 times I woudl surely appreciate it or anyone else for that matter. Mine seems really slow, even for a stocker that seems pretty slow, so I am curious what others are running. Thanks
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