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#1 | |
Registered User
Join Date: May 2015
Location: AZ
Posts: 75
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Re: 1970 K20 Restoration
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#2 |
Carpe manana
![]() ![]() Join Date: Dec 2010
Location: Eau Claire, WI
Posts: 12,375
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Re: 1970 K20 Restoration
Keep the red Spicer hub dials in a safe spot - I believe those were used in 1970 only.
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1972 K5 CST Highlander Blazer: http://67-72chevytrucks.com/vboard/s...d.php?t=708547 1972 K20 Cheyenne Super: http://67-72chevytrucks.com/vboard/s...d.php?t=528308 ![]() |
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#3 |
Registered User
Join Date: May 2015
Location: AZ
Posts: 75
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Re: 1970 K20 Restoration
I hadn't noticed until you mentioned it, but the driver's side hub is yellow and the passenger side is red! I'm guessing the yellow was original because it's faded compared to the red one.
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#4 |
One of the First
![]() Join Date: Jan 2000
Location: St. Augustine,FL.
Posts: 4,054
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Re: 1970 K20 Restoration
Red was original on 1970 3/4T.
On the front axle - 71/72 Dana 44, its a direct bolt in. The only difference is ensure you have the same gear ratio and you will need to swap the brake proportioning valve to a drum / disk set-up. Any used axle would need to be gone through and rebuilt. Check with this guy, not to far from you, he has a lot of 67-72 parts - Tom, http://67-72chevytrucks.com/vboard/member.php?u=966 T case is a rockwell 220, you can tell by the shifter position in the middle. Parts are very scarce and not as durable as a NP 205. NP 205 is still the king of t-cases. To replace, it is a direct bolt in, but you will need the shifter / adapter/mount / connecting shaft spline sleeve and maybe drive shaft yoke. Also, the 4x4 high hump cover for a 71/72 truck. sounds like a alot but it isnt that hard. just do your reserch on this site.
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DAVID PASSMORE ST AUGUSTINE ,FL ZIP 32084 '71 SWB K/10 CUSTOM DELUXE (Chili) '72 BLAZER K/5 Muscle Truck (Mule) '72 LWB K/20 CHEYENNE (Blackie) |
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#5 |
Registered User
Join Date: Jun 2013
Location: New Lowell, Ontario, Canada
Posts: 248
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Re: 1970 K20 Restoration
Great truck! Super clean looking frame.
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BRIAN 1986 Chevrolet K20 Silverado 12 Valve CUMMINS P Pumped Intercooled/Getrag360/Divorced NP205/10B/14BFF Detroit Locker - DD Canadian Winter Beater. My Chevrolet CUMMINS Build http://67-72chevytrucks.com/vboard/s...d.php?t=585509 ![]() |
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#6 |
Registered User
Join Date: Nov 2012
Location: NYC
Posts: 429
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Re: 1970 K20 Restoration
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.................._____ __________//___{\____ /__---____//____/__---/ .....(O). ..................(O). BUILD THREAD K20 http://67-72chevytrucks.com/vboard/s...d.php?t=651601 pages 2-4 ![]() |
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#7 |
Registered User
Join Date: May 2014
Location: Lancaster, OH
Posts: 81
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Re: 1970 K20 Restoration
I really think that he has a 205. My 205 looks the same and has the shifter in the same location.. Also I thought the Rockwells were divorced. Regardless, once he cleans all the grease off he will find the tag on the back stating what make and model.
Sweet project by the way! Another option for the disc brakes on the front (if you're hung up on keeping the original axle), is to swap the outer knuckles with a later axle. That's what I did on my '70. But looking back, swapping out the axle would have been a heck of alot easier...
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![]() 70 GMC K2500 82 GMC K3500 09 GMC 2500HD 4x4 |
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#8 |
Registered User
Join Date: May 2014
Location: Lancaster, OH
Posts: 81
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Re: 1970 K20 Restoration
Some pictures of my np205 and my '70.
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![]() 70 GMC K2500 82 GMC K3500 09 GMC 2500HD 4x4 |
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#9 |
Registered User
Join Date: Dec 2009
Location: El Dorado Ca
Posts: 3,374
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Re: 1970 K20 Restoration
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#10 | |
Registered User
Join Date: May 2015
Location: AZ
Posts: 75
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Re: 1970 K20 Restoration
Quote:
I thought about doing the knuckle swap to keep the original axles, but like you said, an axle swap would be easier. Plus I've got the HO52 rear end, and I've heard its hard to find parts for it, especially the drums. Last edited by K20rookie; 10-09-2015 at 10:04 AM. |
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#11 |
Registered User
Join Date: May 2014
Location: Lancaster, OH
Posts: 81
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Re: 1970 K20 Restoration
Thanks for the compliment! It's a 2" Tuff Country from ORD. ORD greaseable bushings and HD shackles. I have the original 2" block under the rear. I wish there rear was still a little higher...
Another thing about the knuckles, if you want to throw some new bearings, u-joints and ball joints in you would have to tear it down to the same point so that might justify the effort... I lucked out with a Dana 60 rear. On the U-bolts and shackle bolts, pull out the angle grinder or fire wrench. It's alot easier.
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![]() 70 GMC K2500 82 GMC K3500 09 GMC 2500HD 4x4 |
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#12 |
Registered User
Join Date: Jul 2006
Location: Central PA
Posts: 12,201
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Re: 1970 K20 Restoration
NP205 was a first for 70, I think. My 68 has a rockwell, I can tell the difference by the back cover plate but can't see through that grime.
Springs are pretty straight forward. They are "sprung" like coil springs so no real danger. I'd support the frame, remove U bolts and roll axle out, then drop the springs. Take the springs and have the original bushings pressed out before you get them blasted. They make urethane replacement kits that you can put it yourself.
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The Garage: 1968 K-10 SWB - "Project Money Pit" 1996 Z-71 - "huntin rig" 1969 C-10 LWB (SOLD) "Project flip that truck or else" 1993 Passport, F@rd 1-ton (SOLD)"Project Cousin Eddie" My Garage Build "The 1,000 footer" |
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#13 | |
Registered User
Join Date: May 2015
Location: AZ
Posts: 75
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Re: 1970 K20 Restoration
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#14 |
One of the First
![]() Join Date: Jan 2000
Location: St. Augustine,FL.
Posts: 4,054
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Re: 1970 K20 Restoration
I can see the others pictures now, cant see them om on my work computer. I agree now, its a 205. But, I have never seen a shifter lever for a 205 in the middle of a high hump. Always been to the right side. I believe in production, it was about earlyish/mid production run when they started installing NP 205's. Correct me if I'm wrong. But anywho, looking good! Are you going to have the drive train rebuilt?
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DAVID PASSMORE ST AUGUSTINE ,FL ZIP 32084 '71 SWB K/10 CUSTOM DELUXE (Chili) '72 BLAZER K/5 Muscle Truck (Mule) '72 LWB K/20 CHEYENNE (Blackie) |
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#15 | |
Registered User
Join Date: May 2015
Location: AZ
Posts: 75
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Re: 1970 K20 Restoration
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#16 |
Registered User
Join Date: May 2015
Location: AZ
Posts: 75
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Re: 1970 K20 Restoration
The block came back from the machine shop and it's painted! Still need to get the heads done, but I gotta space it out a little bit. Stuff gets expensive quick!
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#17 |
Registered User
Join Date: May 2015
Location: AZ
Posts: 75
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Re: 1970 K20 Restoration
More progress...got the rear end off yesterday afternoon. Pics don't show it, but rear leafs are off as well.
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#18 |
Carpe manana
![]() ![]() Join Date: Dec 2010
Location: Eau Claire, WI
Posts: 12,375
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Re: 1970 K20 Restoration
Send me a PM if interested and when you get to that point in the build as I may have one last set of red NOS hub dials - they are labeled as Ford but are the same dials and the insert can be swapped to Spicer.
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1972 K5 CST Highlander Blazer: http://67-72chevytrucks.com/vboard/s...d.php?t=708547 1972 K20 Cheyenne Super: http://67-72chevytrucks.com/vboard/s...d.php?t=528308 ![]() |
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#19 |
Its a Truck Thing......
Join Date: Dec 2004
Location: Sierra Vista, Arizona
Posts: 3,159
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Re: 1970 K20 Restoration
Shoot me a PM if you need any help. Sierra Vista is small, but I have no idea where you are at. Building these trucks is a piece of cake....
Smitty
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71 C10 283/3SPD Full Resto 71 GMC 1500 Sierra Grande http://67-72chevytrucks.com/vboard/s...d.php?t=518599 70 C10 Suburban Former military GSA truck. 72 Chevy Blazer 4X4, Sloppy Jo, Mountain Climber. Wife says no more trucks. http://67-72chevytrucks.com/vboard/s...d.php?t=707378 72 GMC 1 Ton Motor Home, wife said no more trucks until she saw this one. Gen 3 6.0/4L80E 4.10 http://67-72chevytrucks.com/vboard/s...d.php?t=761110 68 GMC Suburban was 3/4 ton, now 1/2.Wife shook her head 71 C30 Wrecker 71 C20 Scott-Bilt As weird as it gets..BB Cheyenne AC Truck 68 GMC Long Stepside. They keep following me home 71 C20 Longhorn/Ole Yellor 69 C30 Former Motor Home, Flat Bed time |
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#20 |
Registered User
![]() Join Date: Nov 2007
Location: baltimore, maryland
Posts: 617
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Re: 1970 K20 Restoration
Motor look great. Nothin better then a freshly painted motor. Except a bigger freshly painted motor.
![]() Keep at it! Lookin good so far. I miss the disassembly part. That was the best. Chris
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Project Reno Build http://67-72chevytrucks.com/vboard/s...d.php?t=392636 Easier to beg forgiveness than ask permission! ![]() |
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#21 |
Registered User
![]() Join Date: Jul 2014
Location: Winston-Salem, NC
Posts: 561
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Re: 1970 K20 Restoration
Nice work!! Keep going!
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#22 |
Moderator
![]() Join Date: Jun 2008
Location: Modesto, CA
Posts: 5,775
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Re: 1970 K20 Restoration
Keep up the great work. I love to see it when well-used (loved) trucks get some TLC and get restored.
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2018 Chevy Crew Cab 2006 Impala SS 1965 Plymouth Sport Fury 1970 Chevy Longhorn
70 Longhorn CST Build Adding an AM/FM Decal |
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#23 |
Registered User
Join Date: Dec 2006
Location: SLC, UT
Posts: 706
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Re: 1970 K20 Restoration
Nice work! Looking forward to the progress!
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#24 |
Senior Member
![]() Join Date: Jan 2012
Location: corunna michigan
Posts: 2,002
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Re: 1970 K20 Restoration
1970 4x4s had the 205 transfer case shift lever in the center of the high hump
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#25 |
Registered User
Join Date: Oct 2015
Location: Austin Tx
Posts: 58
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Re: 1970 K20 Restoration
Great job!! subscribed
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