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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.


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  #1  
Old Sat, July 18th, 2009, 11:27 PM
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Savagetwelve Savagetwelve is offline
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I tried a couple 0-60 runs today:

Stock: 12.1s
#3 Canned 93P: 10.6/10.7s
#2 Canned 87T: 10.5/10.4s
87T (WOT=160/Timing+1): 10.5/9.71/9.75s but was hitting rev limitor
87T (WOT=160/Timing+2/Rev 5350): 9.72s but was still hitting rev limitor

I have a 04 4.6L W/CAI and was told that the only program that I could used until I get my custom tunes was #2 87T
I am running 93 fuel!

Does anyone have any suggestion on how to improve on these numbers?
Also does #2 87T have a max speed & Revs that I shouldn't exceed?
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Old Sun, July 19th, 2009, 04:06 PM
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If acceleration and towing is more important than top speed and fuel mileage, then a set of gears would probably be the biggest help. If not, then I'd suggest more hard parts like headers, cams and such.

Personally, I'd like to be able to do all of that on my truck, but time and money dictate otherwise. Besides, the custom tunes have helped enough right now that I am pretty happy where I'm at until $ improves. All I'm hoping for right now is a set of gears since I haven't too many opportunities to get to open roads where I can really open it up.
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Old Fri, July 24th, 2009, 09:55 PM
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I must have not been clear!
NOT by changing any parts but buy tweaking the 87 tow program to get the most out of it?
Without overloading the engine!
Has anyone adjusted their settings that resulted in a substantial improvement?
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04 STX- Magnaflow Exhaust, Roush Intake, 2" leveling kit, 33" Nitto Dune Grapplers, HID's, Gryphon (Waiting on 87/93 Tunes)
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Old Fri, August 21st, 2009, 09:13 PM
ren007 ren007 is offline
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I have 06 mark lt 5.4 with custom 87 performance tune and the gotts, the best I could do was 9.05s and 16.99 ( looking for a little better)
Is there a big weight difference between f150 4x4 screw and a mark lt?

Thanks
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Old Sat, September 19th, 2009, 12:46 PM
Desert Racer Desert Racer is offline
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8.60 with 3.73 gearing and 35's. Also have a CAI,exhaust,Efans, and gryphon was on 87 custom tuned. Not bad for a big ole ford!
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Old Sun, October 11th, 2009, 01:02 AM
bustintheirazz bustintheirazz is offline
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Theres not a whole lot you can do with the gas engines as far as getting substantial hp gains. Another thing, the 0-60mph and the 1/4 times are inaccurate, meaning they have a quite large level of uncertainty. Just keep that in mind when you run these tests.
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Old Sun, October 11th, 2009, 04:20 PM
JWBFX4 JWBFX4 is offline
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Well I guess I might as well add my input

canned 93 perf. 0-60 was 7.1sec

custom 87 perf. 0-60 was 7.0sec

Cant quite remember what the 1/4 mile times were.
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Old Tue, October 13th, 2009, 01:18 AM
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Quote:
Originally Posted by bustintheirazz View Post
Theres not a whole lot you can do with the gas engines as far as getting substantial hp gains. Another thing, the 0-60mph and the 1/4 times are inaccurate, meaning they have a quite large level of uncertainty. Just keep that in mind when you run these tests.
What do you mean by your first statement? Kinda leaving it opened ended with no evidence?
Second statement. Yah everyone and there mothers brother knows this. It's just fun to do.

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