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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, April 7th, 2010, 11:37 AM
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I'm with Jack on the wheel size.
The stock OEM on the 20's is 275/55r20.
This is the same size as the stock OEM 18 tire once squish is taken in and accounted for.
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Old Wed, April 7th, 2010, 11:43 AM
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IF your OEM tires were 275/55/20s, you've reduced your effective gear ratio to 3.58. You've lost a bunch of "mechanical advantage" and your truck is going to be slow off the mark. Now you can spend more money and re-gear if you'd like your acceleration back.

- Jack
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Old Wed, April 7th, 2010, 11:59 AM
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Ooops - I failed to pay attention to the WOT part.

Sorry.
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Old Wed, April 7th, 2010, 12:15 PM
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Hey! Welcome to the "stupid post club"! I'm the charter member and we're always happy to have new members join us.

- Jack
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Old Wed, April 7th, 2010, 12:20 PM
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Quote:
Originally Posted by JackandJanet View Post
Hey! Welcome to the "stupid post club"! I'm the charter member and we're always happy to have new members join us.

- Jack
I nominate myself for president-elect. Do I hear a second?

My only hope to make up for that one is for 15 people to post questions about GR or TS in the next 10 minutes...(assuming a 15 atta boys for 1 aw $h!t ratio).

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Old Wed, April 7th, 2010, 01:14 PM
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It's more like 20:1, at least that's how I remember it. I've got such an "atta-boy" deficit right now that there's no hope for me.

- Jack
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