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2004 - 2008 F150 2004, 2005, 2006, 2007 and 2008 Ford F150's with 5.4 V8, 4.6 V8 or 4.2 V6 engine
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Old 10-14-2004, 12:42 PM
Robert045.4 Robert045.4 is offline
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Join Date: Aug 2004
Location: Orlando, FL
Posts: 71
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Our Gearing Stinks! Looking for info on gear swaps...

My 04 S-Cab 4x4 Lariat is a great truck other than the stock 3.73 gearing. If you do some calculations against the titan's final gearing, our trucks would need around a 4.30 gear just to be close in final gearing. That's comparing to the 2WD Titan. The 4WD's optional 3.3x something gear in the titan is equal to around a 4.56/4.88. Ford used a very poor choice for stock tranny gearing.

Anyway, I want to go down to a 4.30 gear for better acceleration and towing performance. Who makes a good quality gear and what have some of you guys paid for install on a 4WD application? I am hoping Ford makes the 4.30s since they have the quietest gears. Thanks for any support!

-2004 F-150 Lariat, S-Cab, 4x4. White w/ black interior.
-2004 Explorer Limited, 4.6 V8
-2001 Mustang GT Bullitt
-1993 Mustang GT
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Old 10-14-2004, 01:22 PM
Genesdsu Genesdsu is offline
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Join Date: Oct 2004
Location: San Diego
Posts: 44
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4.56 gears

I swapped in 4.56 Gears from Precision Gears on my 2004 F150 FX4 from stock 3.55 which were a joke. I love it, it really juiced up my truck, specially after 325 tires slowed me down.
Oh yeah, it wasn't cheap either @ $1200 out the door front and rear.

I was going to go for 4.88 for towing, but long term high speed driving would have cost me big time in gas because with 4.88 & 70 MPH you would be around 2200RPM.

Last edited by Genesdsu; 10-14-2004 at 01:24 PM.
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Old 10-14-2004, 01:22 PM

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