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07-08-2010, 03:08 PM
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#1 | ||||
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"I ain't nobody, dork."
Join Date: Sep 2007
Location: Whidbey Island, Washington
Posts: 8,971
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2" Drop Shackles in the '72 Over the 4th Weekend
Well this weekend my Dad and I dropped the rear end of the truck 3" by putting in 2" drop shackles from Frank's Pick'em Ups, and removing the spring overloads on the springpack.
The diff is pretty greasy... this winter it will be yarded out of there and an Eaton Posi-traction unit with new gears will be installed. Maybe even disc brakes.  1. Removed the upper shackle bolt out of the old shackle. 2. New 2" drop shackle being held up for comparison. 3. Dad spraying lube on the shackle bolts. 4. New 2" drop shackle installed. 5. Impact wrench on the old U-bolts. 6. Same deal... 7. After removing old U-bolts... 40 years have taken it's toll. The threads basically flaked off... since we were taking out a 1" overload spring, we needed the threads. 8. Clamping the springpack together to remove the center pin bolt. 9. More of same... 10. Center pins were a little rusty too. 11. Also removed heavy duty coilover rear spring/shocks along with overloads. 12. Went in to Tacoma, WA to Right Way Spring Co, and had a set of new shackle bolts custom made. Since nobody stocks them in a auto parts store. Also got new pins for the leaf packs. 13. There is a little plastic "anti squeak" pad that goes between the axle pearch and the leaf pack. 14. Installing new pins in leaf packs (minus the overloads). 15. new center pin installed. 16. tightening the new center pin. 17. New U-bolts setting in place. 18. Installing lower axle clamp and nuts on u-bolts. You can see new $25 dollar parts store Monroe shocks hanging from upper mount. 19. Cutting off excess bolt thread on the pins with a sawzall. 20. Rear end snugged up and new shocks installed... 21. New stance... 3" lower in rear... left front stock until the rear settles, and then will lower front later... Here is a few shots of my '72 GMC and my dad's '70 Chevy. The ET slots that are on my truck were originally on my dad's with adapters since his truck is 6 lug. It was cool to get them from him and polish them up and install them on my truck. He bought his '70 in 1974.  Gary
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'cuz chicks dig scars... My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread. The Rebuild of Creeping Death after the wreck Quote:
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07-08-2010, 05:10 PM
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#2 |
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Grandpa in the rustmobile...
Join Date: Nov 2008
Location: Spokane WA/Viola TN
Posts: 11,422
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Re: 2" Drop Shackles in the '72 Over the 4th Weekend
love it man!
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John Goose-1968 C10 355,9.32-1CR, Vortec Heads ,262 voodoo, 3.73:1 3OTT (HS ride/beater/farm truck) http://67-72chevytrucks.com/vboard/s...d.php?t=317684 Grams 53-1953 Chevrolet Belair http://67-72chevytrucks.com/vboard/s...=1#post4327784 1969 Chevy C10 Shortbed 4.5/6?" Frame off resto http://67-72chevytrucks.com/vboard/s...d.php?t=548136 1999 Toyota Tacoma 4x4 |
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07-08-2010, 06:19 PM
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#3 |
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Registered User
Join Date: Aug 2007
Location: Redwood City, CA
Posts: 1,177
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Re: 2" Drop Shackles in the '72 Over the 4th Weekend
Nice work, your truck looks great and great step-by-step shots, thanks for sharing. Don't dump those spare parts........
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66 GMC Suburban Custom 66 Chevy K10 Suburban Last edited by Southcity; 07-08-2010 at 06:31 PM. |
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07-08-2010, 06:24 PM
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#4 | ||||
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"I ain't nobody, dork."
Join Date: Sep 2007
Location: Whidbey Island, Washington
Posts: 8,971
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Re: 2" Drop Shackles in the '72 Over the 4th Weekend
Thanks you guys...
I've still got the stock shackles and overloads. But those coilovers were shot. Those went to the scrap yard. Gary
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'cuz chicks dig scars... My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread. The Rebuild of Creeping Death after the wreck Quote:
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07-08-2010, 06:29 PM
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#5 |
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Registered User
Join Date: Aug 2007
Location: Redwood City, CA
Posts: 1,177
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Re: 2" Drop Shackles in the '72 Over the 4th Weekend
You held on to the stuff that matters for sure. Forgot to mention that your dads truck looks good too. What are your plans for the front suspension?
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66 GMC Suburban Custom 66 Chevy K10 Suburban |
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07-08-2010, 06:35 PM
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#6 | ||||
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"I ain't nobody, dork."
Join Date: Sep 2007
Location: Whidbey Island, Washington
Posts: 8,971
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Re: 2" Drop Shackles in the '72 Over the 4th Weekend
The front is still just a hair lower than the rear. It rides completely different now. More better for sure. So I will prolly do a 1" to the front. But don't know if that will rake it too much.
Eventually, I will get 3" drop springs in the rear for a total of 5", then do a 2 1/2" drop spindle in the front. Gary
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'cuz chicks dig scars... My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread. The Rebuild of Creeping Death after the wreck Quote:
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Last edited by GASoline71; 07-08-2010 at 06:35 PM. |
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07-08-2010, 06:47 PM
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#7 |
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dazed and confused
Join Date: Jul 2008
Location: marion nc
Posts: 1,649
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Re: 2" Drop Shackles in the '72 Over the 4th Weekend
looks great! both of them!!
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members met: redbaron69, billsbowtie,nc67 |
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07-09-2010, 01:18 PM
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#8 | ||||
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"I ain't nobody, dork."
Join Date: Sep 2007
Location: Whidbey Island, Washington
Posts: 8,971
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Re: 2" Drop Shackles in the '72 Over the 4th Weekend
Thanks again you guys...
Gary
__________________
'cuz chicks dig scars... My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread. The Rebuild of Creeping Death after the wreck Quote:
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Last edited by GASoline71; 07-09-2010 at 01:21 PM. |
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07-09-2010, 03:13 PM
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#9 |
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Registered User
Join Date: Nov 2008
Location: Glenville, Pa
Posts: 445
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Re: 2" Drop Shackles in the '72 Over the 4th Weekend
Nice trucks! I love those slots.
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http://67-72chevytrucks.com/vboard/s...d.php?t=355153 |
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07-10-2010, 11:05 AM
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#10 |
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Registered User
Join Date: Sep 2008
Location: Rutherfordton, North Carolina
Posts: 328
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Re: 2" Drop Shackles in the '72 Over the 4th Weekend
Looks good!!
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'72 Nova '71 C10 '63 VW Beetle ...............................____ .................________-|___\____ ..;.;;.:;:;.,;.|__(O)___|____/_(O)| _______________________________________ |
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08-20-2010, 09:43 AM
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#11 |
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Its a Truck Thing......
Join Date: Dec 2004
Location: Sierra Vista, Arizona
Posts: 3,179
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Re: 2" Drop Shackles in the '72 Over the 4th Weekend
Found it Gary.....
Do you have any troubles with the leaves hitting the bed or making loud noise? Do you have contact info for Franks? 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 69 C30 Former Motor Home, Flat Bed time 70 G20 Red-E-Kamp Conversion "I'm your Boogy Van" Last edited by 71meangreenc10; 08-20-2010 at 09:55 AM. |
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08-20-2010, 12:42 PM
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#12 |
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Registered User
Join Date: Dec 2003
Location: Thomasville, NC
Posts: 1,877
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Re: 2" Drop Shackles in the '72 Over the 4th Weekend
nice trucks
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09-08-2011, 01:28 PM
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#13 | |
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Registered User
Join Date: Aug 2011
Location: Warren, Michigan
Posts: 16
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Re: 2" Drop Shackles in the '72 Over the 4th Weekend
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Anyhow, the pics are no longer showing and was wondering if you still had them. Thanks Hazen |
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