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2004 Ford F-150 Rancho 4-Inch Lift Kit

Posted in Vehicle Reviews on November 15, 2004 Comment (0)
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2004 Ford F-150 Rancho 4-Inch Lift Kit
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One of the most recognizable names in suspension systems has recently introduced a kit for one of the best-known trucks on the market today. We recently tested the new Rancho 4-inch suspension kit for the new '04 Ford F-150 4x4 pickup, and found it to be a positive option for making an aggressive off-roader out of your new pickup.

To try something different, this time we're not gonna walk you through the install of the kit...that's what directions or 4x4 shops are for. Rather we convinced the good folks at Earnhardt Ford in Phoenix to lend us two trucks, and we had 4Wheel Parts install the kit on one of them. Then with a tape measure, a highway, and some wide-open desert spaces, we tried to find the good and the bad of Rancho's new kit. Follow along to find out what Rancho's 50 years of suspension experience can do for you and your F-150.

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When compared to the stock F-150, you can easily recognize all the new Rancho parts by the Rancho red paint (there is also an Outlaw black color available.)

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The base kit includes a new sub-frame, braces that run to the center crossmember, and new knuckles, among other things. However the stock upper and lower control A-arms are reused. 4Wheel Parts also added teh Rancho skidplate on the front, and the black differential skid plate that is many times stronger than the flimsy stock version.

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The Rancho kit can also be ordered with a set of RS 9000X shocks. These give the driver nine different settings, from firm to flexible. We found street driving to be pretty good with them set at 5 in the front and 4 in the rear. And though you would suspect that the firmest setting would beat you to death on the high-speed run, we liked the control and stability it gave us.

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The 4-inch lift allowed us to mount a set of 35x12.5-17 Pro Comp Xterrains (actual height 34 inches) on a set of 17x9 Extreme alloys. Though we ran 5 inches of backspacing--the directions say 6 inches is the maximum--we did notice a slight amount of rubbing on the back of the front fender flare on hard turns over ruts at speed, but it was nothing a razor knife couldn't fix.

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As would be expected, the Rancho-lifted Ford was taller. The front of the truck was actually raised 5 inches and the rear 4, but the truck also sits more level now than before. With the tailgate open, you now need to lift hay bales or heavy coolers up to 38 3/8 inches (from 34 3/8 at stock), and getting in now means stepping up 28 1/4 inches from the previous 24.

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Under the big Ford the front skidplate went from 9 1/4 inches to 11, and the center crossmember went from 10 5/8 inches to 15 3/4, though the mounts for the subframe braces hang down with only 13 1/8 inches of clearance.

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Nevertheless, the belly-dragging stock rig was stopped quickly on the rough stuff where the Rancho truck didn't even scrape.

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Even on the beer-can-deep ruts the Rancho Ford could roll through with little problem, thanks to the taller tires and better clearance, where the stock rig was constantly looking for creative lines for its smaller tires. The Rancho kit gains lift by using longer struts in the front and lift blocks in the rear. In addition, since both suspensions were running the same springs, the flexibility didn't change from stock, and the bigger tire had plenty of room to stuff into the rear wheelwells.

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In the high-speed runs, the only complaint we had with the Rancho truck was that the bigger tires needed lower axle gears. The stock truck seemed to get up and go a little more quickly, but we were always on the edge of bottoming it out. The Rancho truck was great with the different settings the RS 9000s allowed, and we had no worries pitching it out in the dirt. The same held true on the road where we would have liked some lower gears to turn the big Pro Comps, and a speedometer adjustment would be needed since ours was reading about 5 mph slower than our actual speed.

Sources

4Wheel Parts erferer
Compton, CA 90220
877-474-4821
www.4wheelparts.com
Pro Comp Tires
866-232-0665
www.procomptires.com
Rancho
Lake Forest, IL 60045

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