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Drivelines and 6" lift

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Old 01-29-2014, 09:59 AM
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Drivelines and 6" lift

Hey guys. So I have some questions. I have a 1979 ford f150 short bed with a 351m. It's stock height and it sits a little higher in the back. I found a 6" skyjacker lift for a good price and was wondering if I would need longer drivelines or could I use my stock ones? Will the lift level my truck? Any other information or suggestions are well encouraged. Thanks.
 
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Old 01-29-2014, 10:12 AM
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Yes. a six-inch lift requires longer driveshafts and brake lines.

Typically a lift kit will not level the truck unless it is designed to do so... could opt for four inches in back with a six-inch lift in front to take out the built-in rake.
 
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Old 01-29-2014, 10:24 AM
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So even if I take out all the suspension parts in between the axles and the frame it will still be higher in the back?
 
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Old 01-29-2014, 01:42 PM
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Originally Posted by Buggz_14
So even if I take out all the suspension parts in between the axles and the frame it will still be higher in the back?


What? I am not following what you're try to say.
 
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Old 01-29-2014, 02:23 PM
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Originally Posted by Buggz_14
So even if I take out all the suspension parts in between the axles and the frame it will still be higher in the back?
well, it might sit level.....but minus those parts the rear axle wont be connected to the truck, and it wont be drivable????? Im suspecting you worded that poorly, may i suggest you re word it......
 
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Old 01-29-2014, 02:43 PM
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I think what he is asking is the rake built in some how else. Most trucks sit higher in the rear so when it is loaded it sits level. More than likely it will sit with a rake when you lift it and once every thing settles. If you want it level do like hio said or put your 6 in and see how it sits and figure out what you need todo to make it level.
 
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Old 01-29-2014, 02:53 PM
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Correct me if I'm wrong but I'm doing a suspension lift so new shocks front and back and new coil springs in the front and new leads in the back. Isn't that all that is lifting the truck? So if I take off the factory stuff and put my lift in won't it level at 6 inches.
 
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Old 01-29-2014, 03:08 PM
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It will lift it 6 inches. (actually it might be a wee bit more or less)Front and back. It wont be level.
 
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Old 01-29-2014, 04:14 PM
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I dont mean to jack your thread but.. I kind of am. Just briefly!

If one were to buy a truck that is already lifted 6", would it be safe to assume that it already has an extended drive shaft? And that to lower said truck, it would need a different shaft?


my apologizes, you may have your thread back now
 
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Old 01-29-2014, 04:23 PM
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Ok that's what I was looking for. Thank you. But I'll need longer drivelines correct. Any other things you guys think I need to lift it.
 
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Old 01-29-2014, 05:37 PM
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If you buy a sky jacker lift if SHOULD set level or very close to it, always have for me on my leaf sprung trucks. Cheap lifts like rough country, not so much. This is what I have found from my personal experience.
 
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Old 01-29-2014, 05:38 PM
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Brakelines, steering corrections, maybe pinion angle on rear driveshaft especially since its a shortbed and on the front, might need a cv driveshaft for the front. And there is always other things that pop up you never think about.
 
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Old 01-29-2014, 08:33 PM
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I think you guys are missing something. If you take out the current springs, then put in a 6" lift (new springs) it should sit level. The front sag could be worn out springs. If it still sits uneven after the lift kit is installed, just swap the rear 4" blocks for 3" (or 3" for 2", whichever it has). that will drop the rear.

If the kit comes with new rear blocks, then no worries.
 
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Old 01-29-2014, 10:05 PM
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thats what i was saying. to me it sounds like he is getting a used kit, I maybe wrong. Every truck is different you won't know how to make it level till the lift is on.
 
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