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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 Wed, January 20th, 2010, 09:26 PM
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Longshot270 Longshot270 is offline
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On paper my truck is capable of 197 mph
Quote:
Longshot's chicken scratch handwriting on the back of an old Walmart receipt and a calculator

5600(max rpm) x 92.11(tire circumference in inches) x 60(minutes in an hour)
12(inches in a foot) x 5280(feet in a mile) x 3.55(diff. gear ratio) x .7 (O/D ratio)

=197
But I'll keep the secret of how to get there to myself
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Last edited by Longshot270; Wed, January 20th, 2010 at 09:39 PM.
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Old Wed, January 20th, 2010, 11:16 PM
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Quote:
Originally Posted by longshot270 View Post
On paper my truck is capable of 197 mph

But I'll keep the secret of how to get there to myself
Well crap! Since my Gear Ratio is higher, you're going to leave me in the dust! I guess it's what I get for buying a POS truck, eh? (Please have the martinis ready when I finally get there.)

- Jack
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Old Thu, January 21st, 2010, 12:40 AM
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Originally Posted by JackandJanet View Post
Well crap! Since my Gear Ratio is higher, you're going to leave me in the dust! I guess it's what I get for buying a POS truck, eh? (Please have the martinis ready when I finally get there.)

- Jack
Ah don't worry Jack I'll be hanging right back there with you with my truck and her 3.73's.
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Old Thu, January 21st, 2010, 02:21 AM
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i had my 07 fx2 up to about 115 or so. could of went higher but my tires needed to be balanced and the truck was vibrating real bad so i decided to slow down.
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