1971 K30 burb - LS3, 4l80e, np205, Dana 70f, 14bff, Detroit lckrs, 4"lift, 35" BFG's - Page 3 - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Cobalt964ruf · 07-07-2014, 07:27 PM

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**Dieselwrencher** · 07-07-2014, 07:40 PM

Nice project and sounds like a decent plan too. That is a nice one to start with!

Cobalt964ruf · 07-07-2014, 09:20 PM

Thank you diesel

Cobalt964ruf · 07-07-2014, 09:22 PM

4l85e 5 gear planet trans from a box truck. Name: image.jpg
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Cobalt964ruf · 07-13-2014, 11:31 AM

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. My daily driver and tow rig that the 71 burb will replace once finished.

Cobalt964ruf · 07-14-2014, 05:39 PM

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. Power steer gearbox rebuild kit. Will plumb ram assist while I'm in it.

Cobalt964ruf · 07-18-2014, 01:55 AM

the really cool thing about this truck is it is missing only 3 parts. 3rd door door panel, ambulance passenger door catch bar, and outside trim pieces. none of my projects have ever been this complete. lol. seems like I always spend months to years looking for parts on other projects. best thing is this was only $1500.00 for a running and driving k20 burb.

Cobalt964ruf · 07-18-2014, 04:37 AM

Quote:

Originally Posted by Bigdav160

It's going to be an interesting build. That's a nice parts truck. Do you plan to use it's longer springs? You might need a lift as the "K" - LS conversions I've seen leave little front axle-to- oil pan clearance. You might consider cross over steering as these 4x4's can have some bump steer.

Dave, yes its a nice parts truck I agree. 47k miles driver. its a shame cept I want the burb more lol. im not a crew cab kinda guy, so it wasn't that hard for me. what kinda truck you runnin dav?

Bigdav160 · 07-18-2014, 12:57 PM

K20 Suburban, of course.

Cobalt964ruf · 07-18-2014, 02:44 PM

Sweet, nice lookin rig.

Gobuffalo · 07-22-2014, 01:53 AM

How are you planing to marry the 4L85E to the NP205? I ask because I just bought a LQ4/4L80E and am considering swapping out the 496 and TH400 in mine.
I like the 550hp, hate the 6 mpg (on a good day).

Cobalt964ruf · 07-22-2014, 02:07 AM

Quote:

Originally Posted by Gobuffalo

How are you planing to marry the 4L85E to the NP205? I ask because I just bought a LQ4/4L80E and am considering swapping out the 496 and TH400 in mine.
I like the 550hp, hate the 6 mpg (on a good day).

the 4l80e/4l85e trans is essentially a turbo 400 with overdrive. the 4l80/85e rear cone bolt pattern is the same as a turbo 400, so the th400/np205 adapter works with little effort/modification. next the th400 output shaft is 32 spline and so is the 4l80/85e's. you will need to do your homework tho on which 4l80/85e tailshaft works best for you. I am using a 2wd 4l80/85e as it has the longest output shaft of the group by .500 if you look around on the net there is some info on this conversion, but if you read it most are hearsays. very few have actually tried or done the conversion. the last thing is you will need to run a lsx type motor to control the trans or get a separate trans controller. good luck and have fun.

Cobalt964ruf · 08-16-2014, 04:55 PM

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. Slowly but surely... Got new 35 bfg's and wheels on it. Next is the suspension, lift, and axles

Cobalt964ruf · 08-24-2014, 04:50 AM

took the burb out on a shakedown run today. around 20 miles. ran and drove, stopped all fine. no overheating, but did have a small coolant leak when I got back. I have a new griffin aluminum radiator already so I will go ahead and install that. one of my front tires rubbed just a bit on cornering, have 4" lift kit already so I will go ahead and install that. but truck was uneventful, which is good. all in all it was a good run. this is not my daily driver so no big deal. eventually I want it to be tho.

Average Joe · 08-28-2014, 01:28 AM

Quote:

Originally Posted by Cobalt964ruf

took the burb out on a shakedown run today. around 20 miles. ran and drove, stopped all fine. no overheating, but did have a small coolant leak when I got back. I have a new griffin aluminum radiator already so I will go ahead and install that. one of my front tires rubbed just a bit on cornering, have 4" lift kit already so I will go ahead and install that. but truck was uneventful, which is good. all in all it was a good run. this is not my daily driver so no big deal. eventually I want it to be tho.

You are making serious progress. Nice job!

Cobalt964ruf · 08-28-2014, 03:31 AM

Thank you average joe. not as much as I would like but hey progress none the less.

today got new lmc stainless 3point mirrors similar to oem. got lmc rear barn door shock conversion as well.

Cobalt964ruf · 09-01-2014, 12:36 AM

....

NorCalAnthony · 09-02-2014, 12:27 AM

Great looking project so far. I'd love to get my hands on a '67-'72 Sub or K5 but all the ones I'm finding are badly rusted or apparently made of gold judging by how much the sellers are asking lol. I'm looking forward to seeing how this project turns out

Cobalt964ruf · 09-02-2014, 01:44 AM

i agree with you, they were either gold plated or so rusty they were not worth messing with. I lucked into this truck. minimal rust, was only missing 3 parts that I had to hunt down, and I got it for $1500.00. happy hunting and most of all have fun.

post script; of the 3 parts I had to hunt down, I now have 2 of them. the third I will just make one. lol.

chewiebarker · 09-06-2014, 09:05 PM

I am following this one!

Cobalt964ruf · 09-16-2014, 05:21 AM

doing some repair work on the burb today to clean up years and years of sins from others. steering shaft was barely attached, pulled it out, building a new one for it.

Cobalt964ruf · 09-17-2014, 06:07 AM

ill post pics in the am, but the po or someone prior to me did a poor homebrew job on the steering shaft. cobbled it up bad. glad I am fixing it properly.

Cobalt964ruf · 09-20-2014, 10:50 PM

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the left one is the one that came out of 71 burb. the one on the right is a stock one from a 71 donor truck. notice the one from the burb cobbled together out of 2 or 3 shafts.

twistedchevy · 02-21-2015, 12:53 AM

Bump

tedfrk · 03-04-2015, 08:57 PM

Just wondering what year rears your bolting in there ,I want to do the same swap

07-07-2014, 07:27 PM	#51
Cobalt964ruf Registered User Join Date: Jun 2014 Location: Piedmont, OK Posts: 364	Re: 1971 K30 burb - LS3, 4l80e, np205, Dana 70f, 14bff, Detroit lckrs, 4"lift, 35" BF __________________ 1971 K30 burb carbed LS6 th400 np205 d70f 14bff 4whl discs lifted 35 bfg's 1994 k3500 rcsb trophy truck ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1998 K3500 rclb ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1999 k3500 crewcab dually 4x4 496ci 4l85e bw4401 9.25ifs 14bff g80 6" lift 37 bfg's

07-07-2014, 07:40 PM	#52
Dieselwrencher 6>8 Plugless........ Join Date: Sep 2007 Location: Prairie City, Ia Posts: 17,142	Re: 1971 K30 burb - LS3, 4l80e, np205, Dana 70f, 14bff, Detroit lckrs, 4"lift, 35" BF Nice project and sounds like a decent plan too. That is a nice one to start with! __________________ Ryan 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.*

07-07-2014, 09:20 PM	#53
Cobalt964ruf Registered User Join Date: Jun 2014 Location: Piedmont, OK Posts: 364	Re: 1971 K30 burb - LS3, 4l80e, np205, Dana 70f, 14bff, Detroit lckrs, 4"lift, 35" BF Thank you diesel __________________ 1971 K30 burb carbed LS6 th400 np205 d70f 14bff 4whl discs lifted 35 bfg's 1994 k3500 rcsb trophy truck ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1998 K3500 rclb ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1999 k3500 crewcab dually 4x4 496ci 4l85e bw4401 9.25ifs 14bff g80 6" lift 37 bfg's

07-07-2014, 09:22 PM	#54
Cobalt964ruf Registered User Join Date: Jun 2014 Location: Piedmont, OK Posts: 364	Re: 1971 K30 burb - LS3, 4l80e, np205, Dana 70f, 14bff, Detroit lckrs, 4"lift, 35" BF 4l85e 5 gear planet trans from a box truck. __________________ 1971 K30 burb carbed LS6 th400 np205 d70f 14bff 4whl discs lifted 35 bfg's 1994 k3500 rcsb trophy truck ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1998 K3500 rclb ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1999 k3500 crewcab dually 4x4 496ci 4l85e bw4401 9.25ifs 14bff g80 6" lift 37 bfg's

07-13-2014, 11:31 AM	#55
Cobalt964ruf Registered User Join Date: Jun 2014 Location: Piedmont, OK Posts: 364	Re: 1971 K30 burb - LS3, 4l80e, np205, Dana 70f, 14bff, Detroit lckrs, 4"lift, 35" BF . My daily driver and tow rig that the 71 burb will replace once finished. __________________ 1971 K30 burb carbed LS6 th400 np205 d70f 14bff 4whl discs lifted 35 bfg's 1994 k3500 rcsb trophy truck ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1998 K3500 rclb ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1999 k3500 crewcab dually 4x4 496ci 4l85e bw4401 9.25ifs 14bff g80 6" lift 37 bfg's

07-14-2014, 05:39 PM	#56
Cobalt964ruf Registered User Join Date: Jun 2014 Location: Piedmont, OK Posts: 364	Re: 1971 K30 burb - LS3, 4l80e, np205, Dana 70f, 14bff, Detroit lckrs, 4"lift, 35" BF . Power steer gearbox rebuild kit. Will plumb ram assist while I'm in it. __________________ 1971 K30 burb carbed LS6 th400 np205 d70f 14bff 4whl discs lifted 35 bfg's 1994 k3500 rcsb trophy truck ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1998 K3500 rclb ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1999 k3500 crewcab dually 4x4 496ci 4l85e bw4401 9.25ifs 14bff g80 6" lift 37 bfg's

07-18-2014, 01:55 AM	#57
Cobalt964ruf Registered User Join Date: Jun 2014 Location: Piedmont, OK Posts: 364	Re: 1971 K30 burb - LS3, 4l80e, np205, Dana 70f, 14bff, Detroit lckrs, 4"lift, 35" BF the really cool thing about this truck is it is missing only 3 parts. 3rd door door panel, ambulance passenger door catch bar, and outside trim pieces. none of my projects have ever been this complete. lol. seems like I always spend months to years looking for parts on other projects. best thing is this was only $1500.00 for a running and driving k20 burb. __________________ 1971 K30 burb carbed LS6 th400 np205 d70f 14bff 4whl discs lifted 35 bfg's 1994 k3500 rcsb trophy truck ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1998 K3500 rclb ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1999 k3500 crewcab dually 4x4 496ci 4l85e bw4401 9.25ifs 14bff g80 6" lift 37 bfg's

07-18-2014, 12:57 PM	#59
Bigdav160 Registered User Join Date: Apr 2011 Location: Klein Texas Posts: 3,852	Re: 1971 K30 burb - LS3, 4l80e, np205, Dana 70f, 14bff, Detroit lckrs, 4"lift, 35" BF K20 Suburban, of course. Attached Images __________________ My Classics: '72 K20 Suburban + '65 Dodge Town Wagon '72 Corvette Roadster +'67 Corvette Roadster '73 Z-28 Camaro '63 Ford SWB Uni Pickup '50 Ford Coupe

07-18-2014, 02:44 PM	#60
Cobalt964ruf Registered User Join Date: Jun 2014 Location: Piedmont, OK Posts: 364	Re: 1971 K30 burb - LS3, 4l80e, np205, Dana 70f, 14bff, Detroit lckrs, 4"lift, 35" BF Sweet, nice lookin rig. __________________ 1971 K30 burb carbed LS6 th400 np205 d70f 14bff 4whl discs lifted 35 bfg's 1994 k3500 rcsb trophy truck ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1998 K3500 rclb ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1999 k3500 crewcab dually 4x4 496ci 4l85e bw4401 9.25ifs 14bff g80 6" lift 37 bfg's

07-22-2014, 01:53 AM	#61
Gobuffalo Registered User Join Date: Mar 2012 Location: Crestline, CA Posts: 225	Re: 1971 K30 burb - LS3, 4l80e, np205, Dana 70f, 14bff, Detroit lckrs, 4"lift, 35" BF How are you planing to marry the 4L85E to the NP205? I ask because I just bought a LQ4/4L80E and am considering swapping out the 496 and TH400 in mine. I like the 550hp, hate the 6 mpg (on a good day).

08-16-2014, 04:55 PM	#63
Cobalt964ruf Registered User Join Date: Jun 2014 Location: Piedmont, OK Posts: 364	Re: 1971 K30 burb - LS3, 4l80e, np205, Dana 70f, 14bff, Detroit lckrs, 4"lift, 35" BF . Slowly but surely... Got new 35 bfg's and wheels on it. Next is the suspension, lift, and axles __________________ 1971 K30 burb carbed LS6 th400 np205 d70f 14bff 4whl discs lifted 35 bfg's 1994 k3500 rcsb trophy truck ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1998 K3500 rclb ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1999 k3500 crewcab dually 4x4 496ci 4l85e bw4401 9.25ifs 14bff g80 6" lift 37 bfg's Last edited by Cobalt964ruf; 08-16-2014 at 05:02 PM.

08-24-2014, 04:50 AM	#64
Cobalt964ruf Registered User Join Date: Jun 2014 Location: Piedmont, OK Posts: 364	Re: 1971 K30 burb - LS3, 4l80e, np205, Dana 70f, 14bff, Detroit lckrs, 4"lift, 35" BF took the burb out on a shakedown run today. around 20 miles. ran and drove, stopped all fine. no overheating, but did have a small coolant leak when I got back. I have a new griffin aluminum radiator already so I will go ahead and install that. one of my front tires rubbed just a bit on cornering, have 4" lift kit already so I will go ahead and install that. but truck was uneventful, which is good. all in all it was a good run. this is not my daily driver so no big deal. eventually I want it to be tho. __________________ 1971 K30 burb carbed LS6 th400 np205 d70f 14bff 4whl discs lifted 35 bfg's 1994 k3500 rcsb trophy truck ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1998 K3500 rclb ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1999 k3500 crewcab dually 4x4 496ci 4l85e bw4401 9.25ifs 14bff g80 6" lift 37 bfg's

08-28-2014, 03:31 AM	#66
Cobalt964ruf Registered User Join Date: Jun 2014 Location: Piedmont, OK Posts: 364	Re: 1971 K30 burb - LS3, 4l80e, np205, Dana 70f, 14bff, Detroit lckrs, 4"lift, 35" BF Thank you average joe. not as much as I would like but hey progress none the less. today got new lmc stainless 3point mirrors similar to oem. got lmc rear barn door shock conversion as well. __________________ 1971 K30 burb carbed LS6 th400 np205 d70f 14bff 4whl discs lifted 35 bfg's 1994 k3500 rcsb trophy truck ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1998 K3500 rclb ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1999 k3500 crewcab dually 4x4 496ci 4l85e bw4401 9.25ifs 14bff g80 6" lift 37 bfg's

09-01-2014, 12:36 AM	#67
Cobalt964ruf Registered User Join Date: Jun 2014 Location: Piedmont, OK Posts: 364	Re: 1971 K30 burb - LS3, 4l80e, np205, Dana 70f, 14bff, Detroit lckrs, 4"lift, 35" BF .... __________________ 1971 K30 burb carbed LS6 th400 np205 d70f 14bff 4whl discs lifted 35 bfg's 1994 k3500 rcsb trophy truck ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1998 K3500 rclb ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1999 k3500 crewcab dually 4x4 496ci 4l85e bw4401 9.25ifs 14bff g80 6" lift 37 bfg's Last edited by Cobalt964ruf; 09-03-2014 at 02:57 AM.

09-02-2014, 12:27 AM	#68
NorCalAnthony Registered User Join Date: Jul 2014 Location: Lincoln, CA Posts: 208	Re: 1971 K30 burb - LS3, 4l80e, np205, Dana 70f, 14bff, Detroit lckrs, 4"lift, 35" BF Great looking project so far. I'd love to get my hands on a '67-'72 Sub or K5 but all the ones I'm finding are badly rusted or apparently made of gold judging by how much the sellers are asking lol. I'm looking forward to seeing how this project turns out



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09-02-2014, 01:44 AM	#69
Cobalt964ruf Registered User Join Date: Jun 2014 Location: Piedmont, OK Posts: 364	Re: 1971 K30 burb - LS3, 4l80e, np205, Dana 70f, 14bff, Detroit lckrs, 4"lift, 35" BF i agree with you, they were either gold plated or so rusty they were not worth messing with. I lucked into this truck. minimal rust, was only missing 3 parts that I had to hunt down, and I got it for $1500.00. happy hunting and most of all have fun. post script; of the 3 parts I had to hunt down, I now have 2 of them. the third I will just make one. lol. __________________ 1971 K30 burb carbed LS6 th400 np205 d70f 14bff 4whl discs lifted 35 bfg's 1994 k3500 rcsb trophy truck ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1998 K3500 rclb ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1999 k3500 crewcab dually 4x4 496ci 4l85e bw4401 9.25ifs 14bff g80 6" lift 37 bfg's

09-06-2014, 09:05 PM	#70
chewiebarker Registered User Join Date: Feb 2014 Location: Boxford, MA Posts: 364	Re: 1971 K30 burb - LS3, 4l80e, np205, Dana 70f, 14bff, Detroit lckrs, 4"lift, 35" BF I am following this one! __________________ 1971 K20 Suburban 2012 LS1500 4WD Suburban 2003 Honda Accord LX V6 (don't tell anyone) MY 'BUILD' THREAD: http://67-72chevytrucks.com/vboard/s...d.php?t=618915

09-16-2014, 05:21 AM	#71
Cobalt964ruf Registered User Join Date: Jun 2014 Location: Piedmont, OK Posts: 364	Re: 1971 K30 burb - LS3, 4l80e, np205, Dana 70f, 14bff, Detroit lckrs, 4"lift, 35" BF doing some repair work on the burb today to clean up years and years of sins from others. steering shaft was barely attached, pulled it out, building a new one for it. __________________ 1971 K30 burb carbed LS6 th400 np205 d70f 14bff 4whl discs lifted 35 bfg's 1994 k3500 rcsb trophy truck ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1998 K3500 rclb ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1999 k3500 crewcab dually 4x4 496ci 4l85e bw4401 9.25ifs 14bff g80 6" lift 37 bfg's

09-17-2014, 06:07 AM	#72
Cobalt964ruf Registered User Join Date: Jun 2014 Location: Piedmont, OK Posts: 364	Re: 1971 K30 burb - LS3, 4l80e, np205, Dana 70f, 14bff, Detroit lckrs, 4"lift, 35" BF ill post pics in the am, but the po or someone prior to me did a poor homebrew job on the steering shaft. cobbled it up bad. glad I am fixing it properly. __________________ 1971 K30 burb carbed LS6 th400 np205 d70f 14bff 4whl discs lifted 35 bfg's 1994 k3500 rcsb trophy truck ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1998 K3500 rclb ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1999 k3500 crewcab dually 4x4 496ci 4l85e bw4401 9.25ifs 14bff g80 6" lift 37 bfg's

09-20-2014, 10:50 PM	#73
Cobalt964ruf Registered User Join Date: Jun 2014 Location: Piedmont, OK Posts: 364	Re: 1971 K30 burb - LS3, 4l80e, np205, Dana 70f, 14bff, Detroit lckrs, 4"lift, 35" BF the left one is the one that came out of 71 burb. the one on the right is a stock one from a 71 donor truck. notice the one from the burb cobbled together out of 2 or 3 shafts. __________________ 1971 K30 burb carbed LS6 th400 np205 d70f 14bff 4whl discs lifted 35 bfg's 1994 k3500 rcsb trophy truck ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1998 K3500 rclb ls427 4l85e bw4401 9.25ifs 14bff g80 35 bfg's 1999 k3500 crewcab dually 4x4 496ci 4l85e bw4401 9.25ifs 14bff g80 6" lift 37 bfg's

02-21-2015, 12:53 AM	#74
twistedchevy Registered User Join Date: Jan 2015 Location: napa, ca Posts: 249	Re: 1971 K30 burb - LS3, 4l80e, np205, Dana 70f, 14bff, Detroit lckrs, 4"lift, 35" BF Bump __________________ Mine: 72 c20 Chevy suburban, 02 5.3 w/4l60e , factory ac and 50gal tank. 70 k10 Chevy burb, 04 5.3 w/4l60e np241, with dual 30gal saddle tanks and rear 30 gal tank Dads: 67 c10 step side(project) 72 c10 GMC burb 350/400, with 67 Chevy front clip(grocery getter) Ours: 67 c30 tow truck 70 c10 long bed 383stroker w/digital gauges(work truck)

03-04-2015, 08:57 PM	#75
tedfrk Registered User Join Date: Feb 2005 Location: forked river nj Posts: 147	Re: 1971 K30 burb - LS3, 4l80e, np205, Dana 70f, 14bff, Detroit lckrs, 4"lift, 35" BF Just wondering what year rears your bolting in there ,I want to do the same swap

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