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Old 08-22-2016, 09:07 AM   #101
Dieselwrencher
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Re: 4x4 1971 K20 build

Good deal! It's looking great!
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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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Old 08-22-2016, 10:46 AM   #102
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Re: 4x4 1971 K20 build

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Originally Posted by Dieselwrencher View Post
Good deal! It's looking great!

Thank you!
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1971 C20 Daily, Built 350/700R4
1971 K20 Project, LLY Duramax, 5 speed Allison, and 8 in lift on 37x13.50s
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Old 08-22-2016, 02:25 PM   #103
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Re: 4x4 1971 K20 build

Going to try and finish drilling and bolting it up today.
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1971 C20 Daily, Built 350/700R4
1971 K20 Project, LLY Duramax, 5 speed Allison, and 8 in lift on 37x13.50s
K20 Build
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Old 08-26-2016, 01:50 PM   #104
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Re: 4x4 1971 K20 build

The intercooler and body wiring harness are ordered in. The factory intercooler is way too big. Front clip is on.
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1971 C20 Daily, Built 350/700R4
1971 K20 Project, LLY Duramax, 5 speed Allison, and 8 in lift on 37x13.50s
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Old 08-26-2016, 02:32 PM   #105
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Re: 4x4 1971 K20 build

Looks like it fits in there nicely.
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Old 08-26-2016, 03:23 PM   #106
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Re: 4x4 1971 K20 build

Very nice!
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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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Old 08-26-2016, 06:19 PM   #107
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Re: 4x4 1971 K20 build

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Looks like it fits in there nicely.
It sure does! Just looks like a big block on steroids.

Going over tomorrow to get my starter in. Going to take pictures and put them in my post on how I did it. What would you guys recommend on doing with my steering gears? It is a little leaky. Go redhead? It's going to have to turn a lot more tire and a lot more weight.
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1971 C20 Daily, Built 350/700R4
1971 K20 Project, LLY Duramax, 5 speed Allison, and 8 in lift on 37x13.50s
K20 Build
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Old 08-28-2016, 04:30 PM   #108
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Re: 4x4 1971 K20 build

So problems... Intercooler nor the radiator will fit. They are just too tall. Anyone have a recommendation on a radiator I should use?
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1971 C20 Daily, Built 350/700R4
1971 K20 Project, LLY Duramax, 5 speed Allison, and 8 in lift on 37x13.50s
K20 Build
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Old 08-28-2016, 04:34 PM   #109
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Re: 4x4 1971 K20 build

I would consider tilting it back if too tall. Fab some brackets to hold the top. Otherwise, Summit and Jegs brand radiators work great and less expensive than most. I have one on my truck and fit perfect. Just measure your support. Had mine for 6-7 years and no issues on a BBC.
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Old 08-28-2016, 07:21 PM   #110
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Re: 4x4 1971 K20 build

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Originally Posted by ripdog28 View Post
I would consider tilting it back if too tall. Fab some brackets to hold the top. Otherwise, Summit and Jegs brand radiators work great and less expensive than most. I have one on my truck and fit perfect. Just measure your support. Had mine for 6-7 years and no issues on a BBC.
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If I tried tilting it back it would be in my fan. It's about 2.5" too tall. I will look, thanks!
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1971 C20 Daily, Built 350/700R4
1971 K20 Project, LLY Duramax, 5 speed Allison, and 8 in lift on 37x13.50s
K20 Build
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Old 08-28-2016, 11:18 PM   #111
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Re: 4x4 1971 K20 build

Somehow I Missed your duramax swap. My build is similar but still haven't got to fitting my duramax driveline. Looks good from another Kansan to another. Trevor
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1971 Cheyenne Super 4x4 swb (tilt,tach,buckets, original blue shoulder belts,am/fm,cruise,tow hooks, dealer 8 track)
1972 Cheyenne Super K20 4x4 Custom Camper (tilt, tach, am/fm, tow hooks, bed toolbox, aux gas tank
1972 Cheyenne Super Crew Cab K30 4x4 Duramax, Allison, np205, buckets, tow hooks (CURRENT PROJECT)
http://67-72chevytrucks.com/vboard/s...d.php?t=624819
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:2004 Jeep Wrangler Rubicon (daily driver)

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Old 08-29-2016, 12:31 AM   #112
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Re: 4x4 1971 K20 build

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Originally Posted by 71blksuper4x4 View Post
Somehow I Missed your duramax swap. My build is similar but still haven't got to fitting my duramax driveline. Looks good from another Kansan to another. Trevor
Thanks! Your build is awesome and I may have to have you make me a crew one day? I would like to come check it out someday! I'm from Ottawa.
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1971 C20 Daily, Built 350/700R4
1971 K20 Project, LLY Duramax, 5 speed Allison, and 8 in lift on 37x13.50s
K20 Build
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Old 08-29-2016, 09:11 AM   #113
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Re: 4x4 1971 K20 build

First picture is the side of the engine stand. I used 1.5" square tubing with a 1/4" wall thickness.

Second is the trans cross member, bolted in the same factory holes.

Third is from the bottom. You can see the washer spacers we used on the bottom of the stand with a bolt through them to keep them aligned. The cross member was not modified other than the corners were trimmed to get it in. It is about 8" from the front cross member.

Fourth shows the mounting plate and the sbc motor mounts. I had bought Mounting plates off of Merchant Automotive but it would be better off to build your own since they are too small to fit a sbc motor mount.

Overall I am very happy where it sits. The oil filter and housing sits right in the center of the frame rail which i think is nice. The starter can come out without moving the engine. I think I will have to put a resonator plug as my turbo silencer might sit too high. The only thing that was cut was a small piece up under the pedal to clear a sensor, and the tabs that were all around the trans tunnel were trimmed off. We may have to raise the floor up a bit above the transfer case, we will find out soon.
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1971 K20 Project, LLY Duramax, 5 speed Allison, and 8 in lift on 37x13.50s
K20 Build
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Old 09-05-2016, 11:35 AM   #114
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Re: 4x4 1971 K20 build

New intercooler is mounted. Getting lights and wiring ran.
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1971 C20 Daily, Built 350/700R4
1971 K20 Project, LLY Duramax, 5 speed Allison, and 8 in lift on 37x13.50s
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Old 09-05-2016, 11:37 AM   #115
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Re: 4x4 1971 K20 build

Good clears good with a few inches to spare. Glass is in. Getting anxious!
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1971 C20 Daily, Built 350/700R4
1971 K20 Project, LLY Duramax, 5 speed Allison, and 8 in lift on 37x13.50s
K20 Build
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Old 09-05-2016, 03:47 PM   #116
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Re: 4x4 1971 K20 build

Nice Build man. Been awhile since I been on and just read from beginning. Nice to see another 4x4. I'm just about done with mine, I'm subscribing!
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1970 Chevy K20 build thread
http://67-72chevytrucks.com/vboard/s...d.php?t=634164
1967 stepside rebuild
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Old 09-10-2016, 02:49 PM   #117
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Re: 4x4 1971 K20 build

Went and picked the beast up to bring back to our shop on Thursday. Down to wiring, brakes and fuel. Have a few things here and there. Will probably order my radiator within the next week or so. Sadly it will not be finished this year for the local car show. I will be taking my c20 in though and I'll try to get some pictures of some 67-72 rides. There were quite a bit of them last year. There's already around 1300 preregistered. If your close come on down.
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1971 K20 Project, LLY Duramax, 5 speed Allison, and 8 in lift on 37x13.50s
K20 Build
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Old 09-14-2016, 01:21 AM   #118
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Re: 4x4 1971 K20 build

Well my driver side drop idea just won't quite work as it will hit the oil pan on the trans and possibly the engine if it was flexed enough and depending on how far my yoke sits out. I believe it could be done but it is just way too close for my liking and I want to do it right. Maybe I just need more lift. (The pan was designed to clear a driver side front shaft so they moved the pan over to keep the capacity.) Damn lucky 2wd guys. Any how I will be finding a manual shift driver drop case (NP261 or NP241 with input shaft swap) to get it running but it wont be 4wd until I can find and afford a 78-79 ford dana 60. I am hoping to hear it run by the end of November but we will see. We started corn harvest so I will not have much time to work on it unless it is wet out. But that just means more money to spend on the rig.
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1971 C20 Daily, Built 350/700R4
1971 K20 Project, LLY Duramax, 5 speed Allison, and 8 in lift on 37x13.50s
K20 Build
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Old 09-18-2016, 02:45 PM   #119
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Re: 4x4 1971 K20 build

Pretty cool shot of these Blazers. Not my picture, I forgot to take pictures. The orange on is on a 90s dodge frame with a Cummins that is still turbo'd and is also supercharged. Sitting on 37's.
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1971 C20 Daily, Built 350/700R4
1971 K20 Project, LLY Duramax, 5 speed Allison, and 8 in lift on 37x13.50s
K20 Build
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Old 09-19-2016, 05:36 PM   #120
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Re: 4x4 1971 K20 build

I've seen that orange one at Des Moines Good guys last year I think.
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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


Tired of spark plugs? Check this out.
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Old 09-19-2016, 06:00 PM   #121
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Re: 4x4 1971 K20 build

Another 6bt swap
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1971 C20 Daily, Built 350/700R4
1971 K20 Project, LLY Duramax, 5 speed Allison, and 8 in lift on 37x13.50s
K20 Build
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Old 09-19-2016, 06:04 PM   #122
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Re: 4x4 1971 K20 build

Have anymore of that truck? That is awesome!
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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


Tired of spark plugs? Check this out.
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Old 09-19-2016, 06:42 PM   #123
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Re: 4x4 1971 K20 build

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Originally Posted by Dieselwrencher View Post
Have anymore of that truck? That is awesome!
Just ones other people took, my stupid self forgot to take some.
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1971 K20 Project, LLY Duramax, 5 speed Allison, and 8 in lift on 37x13.50s
K20 Build
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Old 09-19-2016, 06:43 PM   #124
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Re: 4x4 1971 K20 build

My favorite there was this sweet LS9 swapped GMC.
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1971 C20 Daily, Built 350/700R4
1971 K20 Project, LLY Duramax, 5 speed Allison, and 8 in lift on 37x13.50s
K20 Build
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Old 09-19-2016, 06:46 PM   #125
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Re: 4x4 1971 K20 build

This crew was widened the best feeling to fit on an LBZ chassis. Still a dually, has the 07 dash, and was built to haul his camper. Had a lot of bodywork done. He said the hood was 14 pieces to get it to fit. There were 2078 cars that went for the 30th! Hope the Dmax is done for the 31st!
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K20 Build
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