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05-14-2008, 01:12 AM
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#1 |
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Registered User
Join Date: Aug 2007
Location: Laval, Québec, Canada
Posts: 175
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Rear Auxiliary Spring?
I like to have more info about the optionnal rear Auxiliary Spring. Is it a rare option? Is it possible to found easely a used kit? Can this option really improve the charging capacity? Do you have detailed picture of the plate with the rubber pad screwed on the rear axle/trailing arm? How much is logical to pay for a used kit(left-right)? Is it the option number G60? Thank's for all your answer and picture. Francois
P.S.:sorry for my bad english!
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'71 Custom/10 Deluxe LWB '71 Custom/30 Deluxe Dually |
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05-14-2008, 01:18 AM
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#2 |
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Registered User
Join Date: Jun 2007
Location: Albuquerque
Posts: 21
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Re: Rear Auxiliary Spring?
A guy down the street from me has a set of these on his '69 LWB C10, I don't know if they're original. they look like half a leaf spring bolted to the frame rail, the "tip" of which rides on the trailing arm.
I thought about buying them to put on my truck ('68 LWB C10) but I moved about 1500lb of concrete the next weekend without my stock springs deflecting more than 2", so I'm a little afraid of what would break first if I were to load up the bed until the aux springs showed deflection. Not to mention what it would do to the coil spring ride... /g |
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05-14-2008, 05:38 AM
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#3 |
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Registered User
Join Date: Jan 2008
Location: Batesville, IN
Posts: 21
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Re: Rear Auxiliary Spring?
my 68 has them ... sorry- the best pic i had
 they are orginal- it says it in the glove box |
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05-14-2008, 05:50 AM
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#4 |
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Senior Member
Join Date: Jun 2003
Location: Westminster, CO
Posts: 3,071
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Re: Rear Auxiliary Spring?
I have a set I am going to sell, all original everything there.
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Alex 1971 Lil' Red 350 SBC 700R4 |
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05-14-2008, 06:06 PM
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#5 |
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Registered User
Join Date: Apr 2004
Location: Clanton, AL
Posts: 1,253
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Re: Rear Auxiliary Spring?
I'm also curious how they affect that nice coil spring ride. Anyone have any experience?
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85' CUCV M1009!!! The newest addition! 6.2diesel, Th400, NP208, & only 36k miles! 70' C-10 LWB Fleetside - Looking good these days!  05' Dodge Neon 88' Winner Escape Sport 1750 - 4.3v6 94' Seadoo SP 84' Honda TRX200, bare nekkid. Just a frame & tires. Always looking for another project or any good deal! 
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05-14-2008, 06:11 PM
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#6 | |
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Between Trucks...
Join Date: Mar 2002
Location: Los Angeles, CA.
Posts: 3,830
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Re: Rear Auxiliary Spring?
Quote:
I still haven't loaded my truck enough to get them to engage.
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Beat it to fit, Paint it to match... 
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05-14-2008, 06:16 PM
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#7 |
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Senior Member
 
Join Date: Dec 2006
Location: Studio City, Calif.
Posts: 2,865
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Re: Rear Auxiliary Spring?
The Data Book shows a G-60 helper spring (500lbs.each) for C20 trucks.Don't know if there was a C10 option.
IIRC they don't come into play until you load the bed so they don't affect the ride when empty.
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'69 GMC C2500 Custom Camper, 8 1/2' bed, New GM 350, NP 435 Close Ratio 4spd. Trans., 3.73 Dana-60 open.Camper and Trailer wiring, PS, PB, AC, tach , three gas tanks, 2nd owner, Work-Truck supreme. Best $300 I ever spent. |
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05-14-2008, 06:38 PM
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#8 |
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Luv the Crewcabs
Join Date: Aug 2006
Location: Andrews, In. 46702
Posts: 4,097
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Re: Rear Auxiliary Spring?
I have a 72 1/2 Ton with them on it, Any Clue as to Worth?
Thanks, Rick
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55 Nomad 52 Willys Truck 67 Stepper 67 Fleet 68 Wrecker 68 Suburban 76 Crewcab 79 Gmc Dumptruck 84 Blazer 86 Crewcab Stepside 87 Iroc 89 GMC Plow Truck 91 Camaro Vert 96 Z71 Stepsde |
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05-14-2008, 06:58 PM
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#9 |
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Sisyphus was my mentor!
Join Date: Sep 2002
Location: Carleton Place, Ontario CANADA
Posts: 984
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Re: Rear Auxiliary Spring?
Both of my GMC 910's have the helper spring option. I have seen very many Canadian made trucks with them. I think it was more common here in Canada. I have bought/sold them for around $50.00CDN. Je ne parle pas français très bon mais j'essaye. Lentement svp.
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passthebuck  #5642 -TWO 1967 GMC 910's. One with L6/3-on-the tree and the other with 355 w/435hp & a 700r4. -a 2013 Honda Civic as my "sensible" car |
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05-14-2008, 07:54 PM
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#10 |
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Registered User
Join Date: Dec 2002
Location: Colorado
Posts: 57
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Re: Rear Auxiliary Spring?
I had them on my c-10 1/2ton and when my grandfather and dad had the truck they pulled the camper and loaded it with wood and really used it like a truck and never had problems with bottoming out or anything...
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05-14-2008, 07:55 PM
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#11 |
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Registered User
Join Date: Dec 2002
Location: Colorado
Posts: 57
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Re: Rear Auxiliary Spring?
I just got the frame powdercoated see if i can get a new pic or an old one soon!
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05-14-2008, 09:12 PM
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#12 |
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Registered User
Join Date: Aug 2007
Location: Laval, Québec, Canada
Posts: 175
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Re: Rear Auxiliary Spring?
I have picture pictures of the leaf spring but I don't have any detailed picture of the stopper pad bolted to the trailing arm.
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'71 Custom/10 Deluxe LWB '71 Custom/30 Deluxe Dually |
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