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Be Honest....How Fast?

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Old Nov 9, 2005 | 04:44 PM
  #1  
atuck23's Avatar
atuck23
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From: Fairhope, AL
Be Honest....How Fast?

I installed my Diablo Predator last night. I'm only running the 87 Octane tune but have been pleasantly suprised with the performance improvements.

I also turned off the speed limiter. Not because I plan on doing more than 101 but just becuase I like knowing I could do that or more if I choose to.

I was wondering what top speeds have been hit now with the speed limiter off.
 
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Old Nov 9, 2005 | 06:10 PM
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110 mph - 04 5.4, diablo 93 tune, k&N drop in, MIT intake tube, flowmaster 40 series. By the way I smoked my buddies stock duramax and backed off at 110. The new fords will flat out get it if you invest a little cash.
 
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Old Nov 9, 2005 | 08:32 PM
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Quik Truk
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From: Ohio
Took the needle just a little past 120 and the truck started taking up both lanes of the highway. These 6000+pound 4x4's were not designed to run that fast. I am certin that if you could keep it under control, and had the proper speed rated tires that it could easily top 135-140 given enough room. I will NOT attempt another top end run on the 295/70/17 Nitto Terras...
 
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Old Nov 9, 2005 | 08:35 PM
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Don't forget the speed ratings on your tires guys. I'd hate for one of you to blow a tire at that speed...
 
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Old Nov 9, 2005 | 08:41 PM
  #5  
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blitzen25bm
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From: san diego
i dont think they will get past 135 on a 4x4 with just a chip, they push too much air.
 
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Old Nov 9, 2005 | 09:04 PM
  #6  
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From: HollyWood Ca
Have not heard of anybody going over 132 even heavy moded trucks.
 
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Old Nov 9, 2005 | 09:08 PM
  #7  
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From: CSofA
147mph check out my gallery for pic.
 
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Old Nov 9, 2005 | 10:55 PM
  #8  
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blitzen25bm
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From: san diego
Originally Posted by 73mach1
147mph check out my gallery for pic.
get a picture of the speedo at that speed, would be the highest ive seen with a truck like this.
 
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Old Nov 9, 2005 | 11:41 PM
  #9  
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fordguyforlife
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From: Baton Rouge, LA
if that speed is a dyno run, can the engine push the truck that fast through the air. wind resistance does alot at that speed.
 
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Old Nov 10, 2005 | 01:21 AM
  #10  
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i dont have a chip but my 04 and 05 fx4's will do 110mph. both are stock except for duals.
 
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Old Nov 11, 2005 | 12:57 AM
  #11  
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From: Amishland,Pa.
I`ve done 110 in my stock 04 FX4,Screw.
 
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Old Nov 11, 2005 | 04:28 AM
  #12  
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Black2004FX4
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From: Novato, California
116 mph but it had a lot more in it... i set my hypertech there so i wouldnt be tempted to do any more than that.
 
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Old Nov 11, 2005 | 11:27 PM
  #13  
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DeckedoutF150
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From: Hamilton, ohio
Originally Posted by fordguyforlife
if that speed is a dyno run, can the engine push the truck that fast through the air. wind resistance does alot at that speed.

if i am not mistaken, but that looked like a run slip from a drag race track.
 
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Old Nov 15, 2005 | 10:56 AM
  #14  
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Tire blowage

Originally Posted by osteodoc08
Don't forget the speed ratings on your tires guys. I'd hate for one of you to blow a tire at that speed...
Good point, I was racing a Toyota 4x4 truck in my Jetta last week, got to about 120-130, dropped him.. he finally caught up after I backed off and I let him pass. A mile up the road his tire blew, fortunately he kept control, but man.. that coulda been ugly.

.. and No, I didn't wave as I passed him on the side of the road. haha.

Zip
 
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