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Old 03-29-2011, 10:54 PM   #1
brett3xx
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Converting 2wd to 4x4 using 3/4 ton 4x4 frame?

I'm wanting to convert my 67 to 4x4. I found a complete 71 3/4 ton 4x4 truck on craigslist I may buy for the swap. Will there be any problems I'd run into using the 3/4 ton verses a 1/2 ton frame.
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Old 03-30-2011, 08:05 AM   #2
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Re: Converting 2wd to 4x4 using 3/4 ton 4x4 frame?

That is the easiest way to do it.Should go smoothly.
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Old 03-30-2011, 09:05 AM   #3
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Re: Converting 2wd to 4x4 using 3/4 ton 4x4 frame?

shouldn't be an issue. You should gain disc brakes on the front with this as well.
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Old 03-30-2011, 02:07 PM   #4
brett3xx
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Re: Converting 2wd to 4x4 using 3/4 ton 4x4 frame?

Is there any difference between the 1/2 ton 4x4 frame and 3/4ton frame, I'm going to have to shorten the frame because it's lwb but that shouldn't be a problem
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Old 03-30-2011, 06:15 PM   #5
Ridgeback
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Re: Converting 2wd to 4x4 using 3/4 ton 4x4 frame?

No difference in the frames until you get to one ton.
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Old 04-07-2011, 02:36 PM   #6
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Re: Converting 2wd to 4x4 using 3/4 ton 4x4 frame?

The difference you are going to find is the parking brake and low hump high hump.
Parking brakes are foot opereated on the 71
and the high humps are on 4x4 trucks
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Old 04-07-2011, 04:38 PM   #7
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Re: Converting 2wd to 4x4 using 3/4 ton 4x4 frame?

Quote:
Originally Posted by O'skool 72GMC View Post
The difference you are going to find is the parking brake and low hump high hump.
Parking brakes are foot opereated on the 71
and the high humps are on 4x4 trucks
High humps are also in 2wd's. Any factory big block truck, or a 4 speed truck will have a high hump.
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Old 04-07-2011, 04:39 PM   #8
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Re: Converting 2wd to 4x4 using 3/4 ton 4x4 frame?

Quote:
Originally Posted by Ridgeback View Post
No difference in the frames until you get to one ton.
That won't matter in the 4x4's because GM never built a 67-72 4x4 1 ton.
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Old 04-07-2011, 04:41 PM   #9
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Re: Converting 2wd to 4x4 using 3/4 ton 4x4 frame?

Quote:
Originally Posted by brett3xx View Post
I'm wanting to convert my 67 to 4x4. I found a complete 71 3/4 ton 4x4 truck on craigslist I may buy for the swap. Will there be any problems I'd run into using the 3/4 ton verses a 1/2 ton frame.
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On the 4x4's, the 1/2 tons and 3/4 tons have the same height and thickness when talking about the actual channel of the frame. You will be fine.
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1972 C10 Suburban Custom Deluxe
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1971 Camaro RS 5.3 BTR STG3 Cam Super T10
1940 Ford 354 Hemi 46RH Ford 9" on air ride huge project


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