Offroad Upgrade - FordTough.ca - Home of Canadian Ford Truck Enthusiasts
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post #1 of 16 (permalink) Old 05-21-2013, 07:06 PM Thread Starter
 
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Offroad Upgrade

I have a 2002 F150 XLT 4.6L. I'm putting Rancho RS5000's on the rear, and i was thinking of "toughening" her up for light to mild offroading. Any suggestions would be great! I was thinking of possibly upgrading osme steering components, drivetrain, and already wanting the eaton posi diff. I'm going to get 315/70R17's or 35x12.50's on this summer. I'm currently in college until next may so I can't toss away money.
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post #2 of 16 (permalink) Old 05-21-2013, 10:07 PM
 
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If you don't lift the front than your gonna get tire rub with the 315 tire

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post #3 of 16 (permalink) Old 05-21-2013, 10:18 PM Thread Starter
 
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I noticed i have 2" blocks under my leafs on the rear, so I assumed i already have a stock 2" lift already. I'm currently running stock 265's and it seems i have over 3 inches of room for larger tires. I'm also curious of what rims to get. I want to get aluminum, but I don't know what backspacing, offset, etc. to get
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post #4 of 16 (permalink) Old 05-21-2013, 10:22 PM
 
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look at your front shocks to see if you see a black spacer if you can see 1 than you probably have a 2 " in front, as for back sacing / off set on the rims it all depends on how far you want them to stick out past the fender.

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post #5 of 16 (permalink) Old 05-21-2013, 11:22 PM
 
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4wd models have the 2" block in the rear, a 35" will fit with a 3" body lift also you will best off with a a rim that has a 4.5 " backspacing, also if you are going to put a locker or true trac in the rear may as well if it were me i'd do the gears at the same time and x2 because you'll need them in the front and I wouldn't want to kill the transmission, its expensive to play trust me,.. I know my advice is ..don't go cheap do it right or not at all

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post #6 of 16 (permalink) Old 05-22-2013, 03:24 AM
 
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i'd have to agree with skrwz... its gets expencive when you start breaking shit,
take it from me i did a lot of offroading i took my ranger through hell and back and broke damn near every thing under it, dont buy the cheap shit it will leave u stranded
match ur front and rear gears, get a nice offset rim give your truck the wider stance
it will look better and perfrom better in the mudd, you wanna be in the rutts but u wanna beable to get out if you feel ur gonna get stuck,
spend the moeny and you get what you pay for..

thats my advice


MAKE: Ford, MODEL:Ranger, YEAR: 1993, MODS:4inch body lift, 32 11.5 15 M/T's, push bar chrome, rollbar black,4 off road light JVC CD deck,2 12' mtx subs, 1000watt mtx amp,blue neon
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post #7 of 16 (permalink) Old 05-22-2013, 01:53 PM Thread Starter
 
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okay that answered all of my questions, thanks guys!!
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post #8 of 16 (permalink) Old 05-22-2013, 01:55 PM Thread Starter
 
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As for the gearing ratios, i wanted to go to a 4.11 or should i go to 4.56? for 35" tires
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post #9 of 16 (permalink) Old 05-22-2013, 03:44 PM
 
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That kinda depends on how much you drive the truck on and off road. Taller tires will effectively lower your gear ratio making your truck more of a dog out of the hole but faster on the top end, if the truck will do it, so if you have 4.11 tires but a really tall tire it might seem more like a 3.07 gear so kinda useless to spin the tires and get outta da mud. But if you are going to build the truck for mostly road and show like the raptor is built for then you would still be able to maintain some decent fuel economy. It is basically all about making correct choices for what the application is that you really want to use the truck for.

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post #10 of 16 (permalink) Old 05-22-2013, 03:52 PM
 
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It depends on how much street use.
But if it were me,

4.10s for a 35"

37"+ then I would step up to 4.56s

Higher the gear, lower the mpg, higher the RPM


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