Is this a stock spring? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Benny- · 01-29-2016, 05:46 PM

Just wondering if this is a stock spring, heavy duty, or what? Seems like most spring I've seen don't look "progressive" like this does. Any thoughts?

davepl · 01-29-2016, 06:25 PM

Random ass guess, but perhaps someone heated it for a cheap "lowering" job. It looks sort of collapsed like that. A progressive spring will do that, but not that much without a load (if the spring is right for the application).

**LockDoc** · 01-29-2016, 06:37 PM

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Usually with a progressive spring the top and bottom coils will be open and the coils will be closer together in the center.... Are both sides identical?

LockDoc

Benny- · 01-29-2016, 08:51 PM

Both sides are the same and if anything the truck seems to ride a little higher than stock. I had about 1500 pounds of coal in the back and I measured about 6 inches from axle to bump stop. I was just curious. I've been contemplating lowering so I've been checking things out with various loads and what not..

01-29-2016, 05:46 PM	#1
Benny- Registered User Join Date: Apr 2013 Location: Ogden, UT Posts: 123	Is this a stock spring? Just wondering if this is a stock spring, heavy duty, or what? Seems like most spring I've seen don't look "progressive" like this does. Any thoughts? __________________ 1972 C/10 Cheyenne, Daily Driver. SOLD 1978 GMC K15 High Sierra. Last edited by Benny-; 01-29-2016 at 05:59 PM.

01-29-2016, 06:25 PM	#2
davepl Registered User Join Date: Aug 2006 Location: Redmond, WA Posts: 6,332	Re: Is this a stock spring? Random ass guess, but perhaps someone heated it for a cheap "lowering" job. It looks sort of collapsed like that. A progressive spring will do that, but not that much without a load (if the spring is right for the application). __________________ 1970 GMC Sierra Grande Custom Camper - Built, not Bought 1969 Pontiac 2+2 427/390 4-speed Coupe 1969 Pontiac 2+2 427/390 4-speed Convertible

01-29-2016, 06:37 PM	#3
LockDoc The Older Generation Join Date: Aug 2006 Location: Montezuma, Iowa Posts: 25,799	Re: Is this a stock spring? - Usually with a progressive spring the top and bottom coils will be open and the coils will be closer together in the center.... Are both sides identical? LockDoc __________________ Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 -

01-29-2016, 08:51 PM	#4
Benny- Registered User Join Date: Apr 2013 Location: Ogden, UT Posts: 123	Re: Is this a stock spring? Both sides are the same and if anything the truck seems to ride a little higher than stock. I had about 1500 pounds of coal in the back and I measured about 6 inches from axle to bump stop. I was just curious. I've been contemplating lowering so I've been checking things out with various loads and what not.. __________________ 1972 C/10 Cheyenne, Daily Driver. SOLD 1978 GMC K15 High Sierra.



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