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02-15-2011, 02:12 PM
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#1 |
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Registered User
Join Date: Jan 2011
Location: CA
Posts: 9
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63 GMC Closed Knuckle D44F Swap to open knuckle?
Hi Folks,
Does anyone know if there are years of front open-knuckle D44s on Chevrolet or GMC trucks that will swap with my current closed-knuckle on my 63 GMC 3/4T 4x4 without cutting/welding etc.? Is there a straight bolt-on swap out there? If so, what years/models might they be? Thanks!! Last edited by Teech; 02-15-2011 at 02:26 PM. |
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02-16-2011, 01:28 AM
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#2 |
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Registered User
Join Date: Sep 2008
Location: San Carlos, Ca.
Posts: 3,048
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Re: 63 GMC Closed Knuckle D44F Swap to open knuckle?
I picked mine up from a '72 3/4 ton. It was an easy swap even though I went from 1/2 ton to 3/4 ton. I think I remember brake lines being an issue.
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Chris '63 k15 long step Vortec 7.4 - L29 Blackbear tune, Five 0 Motorsports injectors, Chris Straub Cam, NV4500, divorced 205  52" front and 63" rear spring swap D44 / 14bff - disc axles Milemarker 9K and 10.5K hydraulic winches 63" & B52 Spring Install http://67-72chevytrucks.com/vboard/s...ng+swap+thread NV4500 Reverse Build Thread http://67-72chevytrucks.com/vboard/s...=reverse+build L29 - 7.4 Vortec Build http://67-72chevytrucks.com/vboard/s...&highlight=L29 |
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02-16-2011, 08:42 AM
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#3 |
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Registered User
 
Join Date: May 2007
Location: Deale Md
Posts: 4,663
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Re: 63 GMC Closed Knuckle D44F Swap to open knuckle?
You can use a axle up to 1987 and it will bolt in. When you go from drum to disc brakes that is the big change as ie brake lines,master cylinder, ect.
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James 63 GMC V6 4speed carryall 65 chevy swb bbw V8 auto 68 K20 327/4 speed, buddy buckets 2002 GMC CC Dually Duramax 64 GMC lwb 3/4 V6 4speed SOLD 66 GMC swb bbw buddy buckets SOLD IG duallyjams The only thing that stays the same is constant change! |
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02-16-2011, 10:20 AM
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#4 |
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Registered User
Join Date: Jan 2011
Location: CA
Posts: 9
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Re: 63 GMC Closed Knuckle D44F Swap to open knuckle?
Thanks guys. Up to '87: Good to know! I'm prepared for all the mods to switch to discs...I don't have the parts yet, but I know what's in store. Thanks again.
Last edited by Teech; 02-17-2011 at 10:34 AM. |
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02-21-2011, 12:53 AM
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#5 |
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Born Psycho
Join Date: Feb 2001
Location: brentwood,cal,usa
Posts: 4,734
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Re: 63 GMC Closed Knuckle D44F Swap to open knuckle?
axle is a bolt in swap, brake lines are definitly different and the steering will be a lot different. we used a 72 p-s box on my nephew's 63. had to modify the column and space the box away from the frame. not a big problem but took a little time to get everything right. he's put well over 100K on that truck since we built it several years ago.
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jerry moss 72 cheyenne super K20- tilt,tach,vacuum,speedwarning,buckets,shoulder belts,am/fm,tow hooks,bumper guards,toolbox,aux. fuel tank,posi front and rear,plus other goodies!!! SOLD 69 suburban K20-tilt,tach,vacuum,speedwarning,buckets,shoulder belts,am/fm,4 inch all spring lift,4 speed, 14 bolt full floater, dana 44 HD,warn winch,posi front and rear,tow hooks,plus other goodies. 73/80 chevy/gmc K20 SB400,turbo 400,205,tilt,a-c,gas hog. 77 K/5 cheyenne blazer-daily driver/beater. SON HAS IT NOW BRENTWOOD,CALIFORNIA |
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02-23-2011, 10:50 AM
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#6 |
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Registered User
Join Date: Jan 2011
Location: CA
Posts: 9
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Re: 63 GMC Closed Knuckle D44F Swap to open knuckle?
Thanks Jerry. Fortune has smiled on me: the truck already has later model power steering! I'm doing a complete (mostly) rebuild, so the brake lines should be no problem. 100K miles on your rebuild? That's great...I hope to do the same. Thanks again.
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