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Old 12-02-2010, 04:35 PM   #3
Dieselwrencher
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Join Date: Sep 2007
Location: Prairie City, Ia
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Re: what to know about converting to 4x4 using 73+ running gear

Quote:
Originally Posted by coggonobrien View Post
i am converting my 71 swb frame to 4x4. what do i need to know to utilize the hardware off of a 73 or newer truck? obviously will have to install the mounting brackets to the frame. will the springs work? are the spring perches on the housings at the correct width or will they need to be removed and reinstalled? will i have an uneven stance front to rear? anything else?

Thanks,
David
David, you can use these parts on yours, but you will have to modify parts to work. I'm sure the 4x4 engine crossmember will need modified to fit. You can install the radiator support brackets, and the shackle mounts as well. The 73 front axle should go right under it once you get the hangers, springs, and shackles installed. I converted my Longhorn to 4wd using hangers from a 72 K5, leaf springs for 73 up, and a 1992 Dodge Dana 60 front. Yes your front axle will be a little wider than your rear axle. But you can install a newer rear axle to get it closer. You will also want to put rear leaf spring hangers from a 4x4 on your 2wd frame to get it to sit level after the swap. Here is a link to my build. You can go there and see how I did mine.

http://www.67-72chevytrucks.com/vboa...d.php?t=310493
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1972 Chevy Longhorn K30 Cheyenne Super, 359 Inline 6 cylinder, Auto Trans, Tilt, Diesel Tach/Vach, Buckets, Rare Rear 4-link and air ride option Build Thread
1972 GMC Sierra Grande Longhorn 4x4
1972 Chevy Cheyenne Super K20 Long Step side tilt, tach, tow hooks, AC, 350 4 speed
1972 C10 Suburban Custom Deluxe
1969 Chevy milk truck
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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