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#1 |
Registered User
Join Date: Mar 2012
Location: T-Town WA
Posts: 4
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Coverting to 4WD
Converting to 4WD.
I finally came across someone that is selling 2 separate 4WD frames. 1970 K20 Dana 44 hd w/disk front axle, Eaton rear axle 1972 K10 Dana 44 w/disk front axle, Corp 12 bolt rear axle Both frames are supposedly in great shape, no damage. Also, is there a way to verify that the frames are indeed K frames, and not C frames converted to 4WD? I have a 1972 Super Cheyenne C20 that I will be converting Both frames are in the $400 range each. Any advise as to which would be a better frame to purchase? Any advise is greatly appreaciated. |
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#2 |
Registered User
Join Date: Jul 2008
Location: Eastern Oregon
Posts: 2,334
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Re: Coverting to 4WD
How are you going to use it ?
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71 C-20 07 Magnum RT AWD |
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#3 |
Senior Member
![]() Join Date: May 2003
Location: Sandown, NH
Posts: 2,819
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Re: Coverting to 4WD
K/4wd frames & C/2wd frames are very different in the rear section and are easy to tell apart. K frames are straight over the rear wheels and the C frames bow out to the sides over the rear wheels / axle. There are other differences, but that one just stands out !
Gary
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Gary 72 SWB 4x4 My 72 SWB Build http://67-72chevytrucks.com/vboard/s...d.php?t=259859 |
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#4 |
The Few, The Proud
![]() Join Date: Jun 2007
Location: Ball Ground, Georgia
Posts: 1,830
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Re: Coverting to 4WD
Looks for factory rivets in the cab/suspension mounts.
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Shannon |
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#5 |
Registered User
Join Date: Jul 2008
Location: Eastern Oregon
Posts: 2,334
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Re: Coverting to 4WD
I am in the process of dropping a low hump 68 cab & clip on a 71 K-10, will keep up updated....
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71 C-20 07 Magnum RT AWD |
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#6 |
Registered User
Join Date: Mar 2012
Location: T-Town WA
Posts: 4
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Re: Coverting to 4WD
It will be my do all truck, and occasional offroading. Minor lift, nothing overly aggresive.
I think i'm going for the K20, more heavy duty. But my understanding is that most aftermarket stuff is for K10's. |
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#7 |
Registered User
![]() Join Date: Feb 2012
Location: Orangevale, California
Posts: 323
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Re: Coverting to 4WD
example of Original K frame. This is the one under my truck. There are some cross members removed in this pic but it shows the basically straight rails compared to a 2wd frame.
My K frame is about 25% thicker then my old C 2WD frame too. Hope this helps.
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http://67-72chevytrucks.com/vboard/s...d.php?t=509467 2008 Dodge 3500 Blue Tech 2013 Challenger SRT8 392 1972 Landcruiser Rock Crawler LS1 1969 4X4 Resto Mod |
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#8 |
Registered User
Join Date: Jan 2013
Location: Eastern TN
Posts: 1,921
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Re: Coverting to 4WD
Back then there wasnt alot of difference in them. My K20 has a 4" lift and it uses the same springs as the 73+ body. Same thing for the K10, atleast the later versions of the body style. Front axles were both Dana 44 and the 60 wasn't offered yet. Some off the componants in the axle are heavier though. Point being that just about anything will switch between the two frames. Same price and equal condition I would get the K20 frame or box the K10 if you plan to abuse it.
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#9 | |
Registered User
Join Date: Jul 2008
Location: Bowie, MD
Posts: 313
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Re: Coverting to 4WD
Quote:
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#10 |
Registered User
Join Date: Mar 2012
Location: T-Town WA
Posts: 4
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Re: Coverting to 4WD
Thanks for all of the replies and help. I'm going with the K20 frame. it's only a $25 price difference.
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#11 |
Registered User
Join Date: Jul 2008
Location: Bowie, MD
Posts: 313
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Re: Coverting to 4WD
Wait I'm confused. Sorry, I'm fairly new to the classic truck game. Are you going with the K20 frame because of the axles that come with it? Or is there something different about the K20 frame itself?
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#12 |
Registered User
![]() Join Date: Feb 2012
Location: Orangevale, California
Posts: 323
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Re: Coverting to 4WD
I would take a tape measure with me.... pull the tape from each front corner to opposite rear corner. and I would buy whichever frame was closest to being exactly the same in both measurements. Not to mention eyeballing them both for being straight.
All things being equally straight I would buy the K20 as well.
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http://67-72chevytrucks.com/vboard/s...d.php?t=509467 2008 Dodge 3500 Blue Tech 2013 Challenger SRT8 392 1972 Landcruiser Rock Crawler LS1 1969 4X4 Resto Mod |
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#13 |
Registered User
Join Date: Jan 2013
Location: Eastern TN
Posts: 1,921
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Re: Coverting to 4WD
K20 is thicker but most parts are the same. In othr words the K20 would be considered a light duty 3/4 on todays market. Nothing wrong with them and I personaly believe the old 1/2 tons were over built. Alot of guys who hope these up box the frames for added strength.
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