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Old 07-26-2016, 04:12 PM   #76
Rednwhitec20
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Re: 4x4 1971 K20 build

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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 07-26-2016, 08:46 PM   #77
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Re: 4x4 1971 K20 build

Awesome project!
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Old 07-26-2016, 09:48 PM   #78
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Re: 4x4 1971 K20 build

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Awesome project!
Thanks! Looks like you need to start a thread for your k10! The L92 was an option along with the 8.1. But the duramax has always been my dream! Things should start to pick up a little as we aren't seeing 3 digit temps and we won't have to wait on many parts.
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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 07-26-2016, 10:31 PM   #79
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Re: 4x4 1971 K20 build

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Originally Posted by Rednwhitec20 View Post
Thanks! Looks like you need to start a thread for your k10! The L92 was an option along with the 8.1. But the duramax has always been my dream! Things should start to pick up a little as we aren't seeing 3 digit temps and we won't have to wait on many parts.
Depending on how your project goes I might just change my mind
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Old 07-27-2016, 12:34 AM   #80
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Re: 4x4 1971 K20 build

We will see. I'm really excited to see how she turns out! I haven't seen an l92 swap yet. Either way you can't go wrong! I'm trying to get my build to be very informational so others can do it as well!
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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 07-27-2016, 09:45 AM   #81
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Re: 4x4 1971 K20 build

I'm definitely interested to see how it turns out and how much work it takes along the way.
I thought about putting a 6.5TD in my truck because they have great fuel economy and ok power. I didn't put much consideration into a Duramax because I didn't think it would fit without a really big hammer so I'm very interested to see what you have to do on yours.

I already have the 6.2 and transmission from a previous project (2000 Silverado RCSB). Wiring that was a pain because of the two different protocols. It it was a beast when it was done. Putting it in my 72 should be a breeze compared to that.
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Old 07-27-2016, 07:51 PM   #82
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Re: 4x4 1971 K20 build

It shouldn't be too difficult for you then. The thing about a duramax is there isn't much support for swaps. Getting it to fit shouldn't be too difficult, it's just all the other stuff like the fuel filter and the extra cooler and such. But I think we can make it work. I'll keep my thread updated and I'll try to remember to let you know. I skipped my pita wiring and sent it off and had it custom made and my ecm and tcm tuned for my exact truck. And if you can, find a donor truck! I couldn't find one and bought my engine and trans separate and also my coolers and wiring separate. The little things forgotten add up really quick!
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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 07-27-2016, 10:31 PM   #83
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Re: 4x4 1971 K20 build

Look on diesel forums, there is plenty of info. Dieselplace is a good one for Duramax info. Get an airdog or FASS and you don't have to worry about where to put a stock gm fuel filter housing.
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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 07-27-2016, 10:49 PM   #84
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Re: 4x4 1971 K20 build

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Originally Posted by Dieselwrencher View Post
Look on diesel forums, there is plenty of info. Dieselplace is a good one for Duramax info. Get an airdog or FASS and you don't have to worry about where to put a stock gm fuel filter housing.
I have looked around about swaps but don't know many people with them done, especially a 4x4 in a factory 67-72 frame. Maybe I'm not searching the correct things. I planned on getting one but I guess I'd be money ahead if I went ahead and bought one now. I bought an LMC under bed tank, will the non-efi sending unit work or what do you recommend? Thanks in advance
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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 07-27-2016, 10:52 PM   #85
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Re: 4x4 1971 K20 build

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It shouldn't be too difficult for you then. The thing about a duramax is there isn't much support for swaps. Getting it to fit shouldn't be too difficult, it's just all the other stuff like the fuel filter and the extra cooler and such. But I think we can make it work. I'll keep my thread updated and I'll try to remember to let you know. I skipped my pita wiring and sent it off and had it custom made and my ecm and tcm tuned for my exact truck. And if you can, find a donor truck! I couldn't find one and bought my engine and trans separate and also my coolers and wiring separate. The little things forgotten add up really quick!
I've subscribed and will be following along. Best of luck with the project!
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Old 07-30-2016, 12:57 AM   #86
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Re: 4x4 1971 K20 build

Let me know how yours goes as well! 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 08-05-2016, 12:40 AM   #87
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Re: 4x4 1971 K20 build

Took the engine and trans over Monday night. He is finishing up the cab this week and the beast will be ready for the dmax. After we get it in all he has left to do is build the floor, get the intercooler and radiator modified into the core support and finish sanding, priming, and getting all the body lines to line up.
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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 08-08-2016, 10:19 PM   #88
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Re: 4x4 1971 K20 build

Well he found some smaller little holes he needed to patch so it set him back a little. But the cab is completely primed and undercoated and rust free!
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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 08-08-2016, 10:20 PM   #89
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Re: 4x4 1971 K20 build

Does anyone know how to upload 2 pictures on 1 post? I upload 1 okay and then I try to upload the other and it removes the first.
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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 08-08-2016, 10:28 PM   #90
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Re: 4x4 1971 K20 build

I think you have to make the pictures smaller. Truck is coming along nicely.
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http://67-72chevytrucks.com/vboard/s...d.php?t=753294
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Old 08-08-2016, 10:40 PM   #91
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Re: 4x4 1971 K20 build

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I think you have to make the pictures smaller. Truck is coming along nicely.
I can try. Hope nobody minds the excessive amount of posts from it. Also thanks for watching the build!
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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 08-08-2016, 11:30 PM   #92
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Re: 4x4 1971 K20 build

What i figured out is rather than post directly from my phone i email myself pictures, then when i am at home on my PC i open the email attachment and save that picture or pictures, i do this instead of plugging the phone in to the computer and transferring files from the phone to computer, when you send the email you have to pick the file size, when i had a Samsung i always picked medium, with my Iphone i can use Large, this makes a great picture to upload to the forum, i can upload all 5 pictures to one post.
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Swamp Rat build thread :
http://67-72chevytrucks.com/vboard/s...d.php?t=595019

72 3/4T 4X4
4" BDS Lift
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Old 08-09-2016, 10:25 PM   #93
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Re: 4x4 1971 K20 build

Fitting in some parts and getting the pedal fitted in. Hoping to get the power plant in by the end of this week. We will see.
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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 08-09-2016, 10:27 PM   #94
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Re: 4x4 1971 K20 build

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What i figured out is rather than post directly from my phone i email myself pictures, then when i am at home on my PC i open the email attachment and save that picture or pictures, i do this instead of plugging the phone in to the computer and transferring files from the phone to computer, when you send the email you have to pick the file size, when i had a Samsung i always picked medium, with my Iphone i can use Large, this makes a great picture to upload to the forum, i can upload all 5 pictures to one post.
Thanks i did the last with my computer and will try to do the rest that way when I have multiple photos to upload.
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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 08-18-2016, 12:42 AM   #95
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Re: 4x4 1971 K20 build

Getting ready to button up the body work.
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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 08-18-2016, 07:03 PM   #96
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Re: 4x4 1971 K20 build

It's coming along very nice and fast! Great work!
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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 08-18-2016, 07:16 PM   #97
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Re: 4x4 1971 K20 build

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Originally Posted by Dieselwrencher View Post
It's coming along very nice and fast! Great work!
Thank you sir! Seems like it can never be fast enough!
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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 08-18-2016, 11:41 PM   #98
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Re: 4x4 1971 K20 build

You're making leaps and bounds compared to how long it took me to get my truck into primer.
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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 08-21-2016, 01:40 AM   #99
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Re: 4x4 1971 K20 build

Today we got the engine in. After 1 broken cherry picker. The wheel broke off but it just scratched my oil pan. Everything clears pretty good from the heater to the newer style brake booster. The oil filter sits perfect right in the frame rail. It looks as is my factory style trans tunnel will work. We notched a little to get it to fit better and to clear a sensor that's behind the go fast pedal. In the pictures all of the weight is on the frame. We just have to get holes drilled and everything lined up. I'm going to just use a lift pump with filters so I can do away with the factory style and then I will bypass my FICM module as the fuel only acts as a cooler for it. I will get better pictures and give more information when it's all bolted up and in place. He also started mocking up the coolers around the core support. I am using the factory ones and will get pictures when I go over Monday to finish the motor up, hopefully.
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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 08-21-2016, 01:44 AM   #100
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Re: 4x4 1971 K20 build

Not too many adjustments need to be made to the floor. Just towards the back where the transfer case bolts up needs to lift a little. Plan on cutting two lines straight back and lifting it up like a tab and adding side piece triangles to lift it up.
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K20 Build
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