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Old 09-20-2012, 08:14 PM   #1 (permalink)
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How do you jack up a lifted truck?

Hey guys, I'm looking into re-doing my rear leaf springs (sagging) and possibly adding a 1/2" coil spacer up front to my current lift.

How do I safely go about jacking up the frame? My floor jack won't go that high.

Also, I'm trying to decide between add-a-leafs and a shackle drop. Do I need to worry about driveshaft angles with a shackle drop?
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Old 09-20-2012, 08:18 PM   #2 (permalink)
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Jack up under the axles or point where ever u can then use jack stands under the frame. Then let off the jacks where needed.
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Old 09-20-2012, 10:06 PM   #3 (permalink)
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Stands under the frame, jack up under the pumpkin and slide in your stands. From there, take off the wheels and droop out the axle. Move the jack to whatever side you are going to be working on with a jack stand on the other side and use the jack to lower the axle enough to get your blocks or whatever you will be working on taken care of.

Use 6 ton jackstands on the frame. They're bigger, studier and taller. 3 ton jack stands just don't cut it for workin on leafs without putting the axle on the ground... especially if you have some lift.
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Old 09-20-2012, 10:17 PM   #4 (permalink)
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I love my Bumper Air Jack....Slid it under the hitch and up we go. Wish it would lift the heavy cummins tho.

Rick
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Old 09-20-2012, 11:27 PM   #5 (permalink)
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Originally Posted by ramsport59 View Post
I love my Bumper Air Jack....Slid it under the hitch and up we go. Wish it would lift the heavy cummins tho.

Rick

what is the point if you can't lift your diesel truck...?
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Old 09-20-2012, 11:41 PM   #6 (permalink)
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Ok what if I filled two 5 gallon pails up with concrete and set my jack stands on top. Good idea or bad idea?

Or would it be better to make a 12" tall platform out of wood?
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Old 09-21-2012, 12:03 AM   #7 (permalink)
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do you know how to crib wood? like 2x4s or 4x4s...? there's a rating for wood and cribbing and it's quite strong. every bit as strong or stronger than concrete in some cases.

or just spend less than a couple bills on some proper jackstands.

10 Ton Jack Stands (Set of 2)

or slightly taller

http://www.gregsmithequipment.com/10...Stand-Set-of-2
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Old 09-21-2012, 12:03 AM   #8 (permalink)
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Quote:
Originally Posted by wcbcruzer View Post
Ok what if I filled two 5 gallon pails up with concrete and set my jack stands on top. Good idea or bad idea?

Or would it be better to make a 12" tall platform out of wood?
Cribbing can be pretty stout if ya do it right.... which since your suggesting it, I'm going to assume you know the do's and don'ts.

Personally, I don't like concrete because its failure isn't slow. At least metal bends and wood squishes.... concrete just goes boom!

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Old 09-21-2012, 12:14 AM   #9 (permalink)
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Safety is my number 1 concern. I kinda liked the idea of cribbing because I have these powerbuilt bottle jack stands that would allow me to raise or lower the frame at will (without axle attached), but after thinking about it I probably won't need to anyway. So I guess I'll pick up a pair of high jack stands and call it a day. Seems to be the safest (and easiest) option.

Thanks for all the input guys. Some great ideas in here that gets the mind thinking.
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Last edited by wcbcruzer; 09-21-2012 at 12:18 AM.
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Old 09-21-2012, 12:16 AM   #10 (permalink)
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Oh kinda off topic but do you think 30" is enough frame height to be able to drop both axles?

Just wanna be sure..
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Old 09-21-2012, 12:25 AM   #11 (permalink)
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Just measure your frame height at ride height and figure how high you'd lift to get up in air and figure which stand you'll need. I like the truck to be up high when I'm working on it.
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Old 09-21-2012, 12:26 AM   #12 (permalink)
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On a second gen, you actually don't need as much height as a 2003+ because of the lack of droop in the front from the upper control arm mount and shackle mounts in the rear. That in mind, 30" is more than plenty.

I've used HF 6 Ton jackstands size I was old enough to drive and never had a single problem... plus they're very affordable.
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