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Author Topic: 6 inch lift on 3+3  (Read 6183 times)

Offline 76 3+3

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6 inch lift on 3+3
« on: January 27, 2010, 02:22:36 am »
I have a 76 3+3 GMC which was originally 2wd and now has all the running gear from a 75 3/4 ton Chevy 4wd under it. Been looking at purchasing a 6 inch lift for it. I think OE drive lines will work with a 6 inch lift...am I right or do I need to get them extended? I know one could get a 3+3 starting in 79 or 80 in 4wd and the 4wd's have the two piece rear drive lines. Anyone have any experience with the two piece rear drive line and a lift?

Now that I am thinking about it I think a 4 inch lift requires no extended drive lines.... 
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Offline bryco3

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Re: 6 inch lift on 3+3
« Reply #1 on: January 28, 2010, 04:01:40 pm »
When I lifted my 79 k10 6 inches it needed new drive shafts. The front or rear would not even reach. With a 4 inch you could be ok without having them lengthened. Every truck is different. You'll just have to lift it and have them lengthened accordingly.
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Offline 76 3+3

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Re: 6 inch lift on 3+3
« Reply #2 on: January 28, 2010, 07:04:49 pm »
kinda what i was thinking. i have installed a couple lifts in the past but a two piece rear driveline is something that i have not delt with nor something 30+ years old. probably just end up in a shop for the install. thx
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Offline Irish_Alley

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Re: 6 inch lift on 3+3
« Reply #3 on: January 28, 2010, 09:19:26 pm »
the thing about two piece shaft is you can drop them down 4" and make up what you lose with the 4 or 6" lift. I would get a 6" and put some fat tires in the rear make it d wheels instead  of 6
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Offline Blazin

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Re: 6 inch lift on 3+3
« Reply #4 on: January 29, 2010, 06:13:25 pm »
What the  ??? fat tires in the rear? d wheels instead of 6? Its 4x4 the tires all need to be the same size.
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Offline Irish_Alley

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Re: 6 inch lift on 3+3
« Reply #5 on: January 30, 2010, 12:12:45 am »
lol what I meant was like 18s or something in the rear in 12s in the front and I was on my palm forgot to push shift hit the d button for 4 but only got a d if that makes any sense
« Last Edit: January 30, 2010, 12:15:26 am by Irish_Alley »
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If you can’t tell yourself the truth, who can you tell it to?~Irish_Alley

When you have eliminated the impossible, whatever remains, however improbable, must be the truth ~Sherlock Holmes

Offline 76 3+3

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Re: 6 inch lift on 3+3
« Reply #6 on: January 30, 2010, 01:45:14 am »
I was on CL last night looking for lifts and ran into a post with a guy selling a 76 3+3 4wd (which also used to be 2wd) which had a 6 inch lift and 37's on it. I sent him an email asking about the lift and weather drivelines were lengthened...he said no drive line modifications..just straight bolt on lift..no fender trimming...looked good.
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Offline 76 3+3

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Re: 6 inch lift on 3+3
« Reply #7 on: January 30, 2010, 01:59:43 am »
Sorry...I looked at the email again and he said it would clear 37's but is currently running 35's
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Offline lindsdavid

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Re: 6 inch lift on 3+3
« Reply #8 on: February 24, 2010, 11:38:43 pm »
guys, abit OT is it easy to lift 4" of 77 3+3 2wd?  aside from converting to axel/leafsprings
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