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10-24-2025, 01:00 AM
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#1 |
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Registered User
Join Date: Dec 2002
Location: washougal wa
Posts: 47
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Over the top K30 swap
Since I have referenced this site a ton lately I figured I would share my build, maybe theres some info people can use.
I brought home a 71 k20 with an alaskan camper about a year and a half ago. Its been in Helena its whole life. It came with all the original documents, the camper was installed when it was 2 months old in Seattle. From there Im pretty sire they drove it to Alaska since there is a notebook in the glovebox with peoples addresses and info in Alaska. There was also maps for alaska and Alberta, along with everything else that was original in the camper. Fly rods, tools, spare parts, shaving kit, e evrything. Unfortunately didnt find a hidden 45/70 or revolver anywhere. My goal was 4wd and able to haul.the camper and tow my buggy. My 02 dodge is getting old, I hate new junk so this will be my adventure rig. Starting point.....
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68 blazer buggy 68 stepside 58 gmc |
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10-24-2025, 01:10 AM
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#2 |
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Registered User
Join Date: Dec 2002
Location: washougal wa
Posts: 47
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Re: Over the top K30 swap
Its a pretty clean old truck. Need outer rockers and a small floor patch, definitely cant complain.
The frame on the other hand...has definitely had a hard life.
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68 blazer buggy 68 stepside 58 gmc |
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10-24-2025, 01:18 AM
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#3 |
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Registered User
Join Date: Dec 2002
Location: washougal wa
Posts: 47
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Re: Over the top K30 swap
I have a few old trucks and when I built my 68 I boxed the frame, what a game changer. So that was the first order of business on this haggard old frame. I threw a couple holes in to strengthen it up. Ok 74 to be exact...
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68 blazer buggy 68 stepside 58 gmc |
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10-24-2025, 01:22 AM
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#4 |
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Registered User
Join Date: Dec 2002
Location: washougal wa
Posts: 47
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Re: Over the top K30 swap
Yeah specs on this thing, guess that would be good..
Gen IV Ly6 6.0 liter NV4500 205, 32 spline everywhere Gm 60 front with Dodge external outers 10.5 14 bolt with factory disc's 4" lift front springs 56" rear springs Front and rear sway bars Long travel air bags 32 gallon rear tank
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68 blazer buggy 68 stepside 58 gmc |
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10-24-2025, 01:34 AM
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#5 |
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Registered User
Join Date: Dec 2002
Location: washougal wa
Posts: 47
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Re: Over the top K30 swap
Couple shots of my buggy with 68 skins I plan to tow with this truck. My kid and I built the others in the pics too.
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68 blazer buggy 68 stepside 58 gmc |
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10-24-2025, 10:24 AM
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#6 |
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Registered User
Join Date: Mar 2008
Location: Sapulpa, Oklahoma
Posts: 74
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Re: Over the top K30 swap
Absolutely love this build! The frame boxing look so killer!
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10-27-2025, 04:42 PM
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#7 |
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Senior Member
 
Join Date: Aug 2004
Location: Centennial, CO
Posts: 3,135
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Re: Over the top K30 swap
Great project and cool buggies. That will be a sweet setup as a tow and camping rig.
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ClusterTruck: 68 C10 Bought in 89, wrecked in 03. Slow low $ rebuild started '17. 6.0 & TKO http://67-72chevytrucks.com/vboard/s...d.php?t=788602 93 K1500 Short Step, 350, NV4500, EBL flash ECU. Vortec heads & roller cam someday... 05 Jeep Wrangler Unlimited. 3” lift & 6-speed 02 E320 the insurance total “free car” 13 Tahoe LTZ |
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10-29-2025, 04:31 PM
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#8 |
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Registered User
Join Date: Dec 2013
Location: Taylorsville, UT
Posts: 25
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Re: Over the top K30 swap
Very cool. What thickness is the material you used for boxing?
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10-30-2025, 01:48 AM
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#9 |
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Registered User
Join Date: Dec 2002
Location: washougal wa
Posts: 47
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Re: Over the top K30 swap
I dont like the bolt in options for ls swap crossmembers so made ine that has a removable center in case the lan ever needs to ne dropped. And added a box tube one out back.
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68 blazer buggy 68 stepside 58 gmc |
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10-30-2025, 01:51 AM
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#10 |
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Registered User
Join Date: Dec 2002
Location: washougal wa
Posts: 47
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Re: Over the top K30 swap
I started by modifying the trans crossmember for the pos AA nv4500 adapter but ended just starting from scratch and building a new one.
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68 blazer buggy 68 stepside 58 gmc |
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10-30-2025, 01:52 AM
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#11 | |
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Registered User
Join Date: Dec 2002
Location: washougal wa
Posts: 47
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Re: Over the top K30 swap
Quote:
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68 blazer buggy 68 stepside 58 gmc |
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10-30-2025, 04:00 PM
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#12 |
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Senior Member
Join Date: Oct 2012
Location: Phx, AZ
Posts: 553
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Re: Over the top K30 swap
Sweet build, sub'd to follow along
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Scott 1970 C10 Restomod|454/700R4|LWB-->SWB Build Thread 2014 2500HD DirtyMax|Daily Driver|Stock 2003 Tahoe Stock 1985 K5 5.3LS/4L60E|8Lug 4:56|3/4 Ton Front|14BFF Rear|Roll Cage|Dove-tailed & Bobbed |
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