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09-09-2020, 11:53 AM
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#1 |
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Registered User
Join Date: Nov 2018
Location: san diego, ca
Posts: 1
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K10 LS Swap
Men,
I have a 1968 GMC K10. I want to do an LS swap on this bad boy. Is there anyone who makes an LS swap kit for 4x4's? I am only seeing 2wd stuff. Are there any differences between the 2? Also - in terms of the swap, are there any differences between the chevy and GMC? Most kits are for chevrolet and dont mention GMC at all Thank you!! |
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09-09-2020, 12:08 PM
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#2 |
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Almost Satisfied
 
Join Date: Mar 2002
Location: Springfield, MO
Posts: 2,932
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Re: K10 LS Swap
Welcome to the forum!! If you look in the LSx Swap under Engine and Drive-train section you will find all kinds of great information on what you are about to do. Good luck.
__________________
1971 C10 Stepside. LSx 6.0 with BTR Stage IV, Speed Engineering Headers, 4L80e transmission w/3200 Circle-D Stall. 3.73. Posi. Purchased this truck when I was 17. I started the rebuild (or take apart) in 1993. I have drug it around all over the country in pieces. Finally back on the road in 2021. "I can't complain, but sometimes I still do. Life's been good to me so far." |
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09-09-2020, 12:22 PM
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#3 | |
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All about them K’s
 
Join Date: Jun 2014
Location: Land of Entrapment
Posts: 6,490
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Re: K10 LS Swap
Quote:
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Tyler '57 3100 http://67-72chevytrucks.com/vboard/s...d.php?t=813888 '72 K20 Cheyenne: 5” lift, 35’s, front dana 60 blah blah blah… http://67-72chevytrucks.com/vboard/s...d.php?t=662879 ‘69 K10 SWB: 4” lift 33”s… in a million pieces http://67-72chevytrucks.com/vboard/s...d.php?t=805206 '98 Silverado LT K2500HD ECLB Vortec 454/4l80E: 6" lift 35x12.5x20’s |
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09-09-2020, 01:26 PM
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#4 |
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Registered User
Join Date: Jul 2012
Location: Whitehorse yukon
Posts: 1,218
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Re: K10 LS Swap
You can buy the swap cross member kits 400 obo they require a lift kit
You can use a universal swap cross member from places like jegs around 60 bucks There aimed at 50s trucks Or you can modify your motor mount cross member yourself And yes there is lots of write up talk in the ls and 4x4 sections ls swap is under engine category |
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09-09-2020, 01:34 PM
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#5 |
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Registered User
Join Date: Apr 2019
Location: Austin Texas
Posts: 6
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Re: K10 LS Swap
I have been thinking the same about my 1972 K10. The best info comes from the build threads in my opinion. Search for 4x4 LS swap or 4x4 5.3. Here are a few that I have gained a ton of info from.
Creamsicle http://67-72chevytrucks.com/vboard/s...d.php?t=782232 Crash's 69 K10 http://67-72chevytrucks.com/vboard/s...d.php?t=494599 And a 2wd here that he keeps to a very small budget Rusty C10 https://ls1tech.com/forums/conversio...71-c-10-a.html One more 2wd but you get some great info and video from his build thread. https://www.youtube.com/c/RustyWrenches/playlists Here's a Jimmy 4x4 with NP205 build http://67-72chevytrucks.com/vboard/s...d.php?t=663780 And Another 4x4 Jimmy http://67-72chevytrucks.com/vboard/s...d.php?t=661982 |
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09-09-2020, 03:43 PM
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#6 |
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All about them K’s
Join Date: Jun 2014
Location: Land of Entrapment
Posts: 6,490
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Re: K10 LS Swap
I’m gonna go with the 55-59 v8 swap cross member in mine. $100 and no lift required. There’s a thread or two around about it.
__________________
Tyler '57 3100 http://67-72chevytrucks.com/vboard/s...d.php?t=813888 '72 K20 Cheyenne: 5” lift, 35’s, front dana 60 blah blah blah… http://67-72chevytrucks.com/vboard/s...d.php?t=662879 ‘69 K10 SWB: 4” lift 33”s… in a million pieces http://67-72chevytrucks.com/vboard/s...d.php?t=805206 '98 Silverado LT K2500HD ECLB Vortec 454/4l80E: 6" lift 35x12.5x20’s |
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09-09-2020, 06:01 PM
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#7 |
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Registered User
 
Join Date: Dec 2012
Location: Los Banos CA
Posts: 2,705
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Re: K10 LS Swap
I used a 81-87 front cross member but if I had to do it again I would have just built it from scratch.
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1956 Chevy Bel Air 2 door 1956 Chevy 210 4 Door 1970 K20 LWB project the Hulk build w/Supercharged 4.8L-ly2/4L60E HULK BUILD 1970 C10 Yellow/White Deluxe LWB w/ 5.3L-LC9/6L80E 1968 K10 LWB Dark green my son calls it "THE HULK Jr"HULK JR *SOLD* GO  GO!!!
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09-09-2020, 08:55 PM
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#8 |
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Roto Reuter thats the name...
Join Date: Feb 2010
Location: Darien, NY
Posts: 1,853
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Re: K10 LS Swap
I just recently completed my first LS swap in my 70 K10. The sky is the limit on how far you can go. I used a Gen III LM7 with drive by cable. I put in a 5.3L 4L60E combo. I used the 4L60E because of the length and fit. This way I didn't have to modify my driveshafts. Nice thing about the Gen III (mine was 2000 Yukon) is that there is only one PCM and the drive by cable allowed me to use the stock pedal. Check out my build thread link in my signature and jump right in. Very nice swap and well worth it. Turn the key and go.
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~ Dan  My 70 K10 SWB build:http://67-72chevytrucks.com/vboard/s...d.php?t=782232 My 71 SWB build:http://67-72chevytrucks.com/vboard/s...d.php?t=651394 1970 SWB Fleet K10 4X4, 5.3L LM7, 4L60E, Dakota Digital RTX, Vintage Air, Ididit tilt 1971 SWB Fleet C10 - Original SWB Arizona truck, new custom restoration project "Kick out your motor and drive while you're still alive - kick it out!" - Heart 1977 |
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