Original suspension questions - The 1947 - Present Chevrolet & GMC Truck Message Board Network

1972Blaze · 03-20-2016, 03:44 PM

I want to take my 72 Blazer back to factory height. Right now it has been lifted 4". Here is a picture of the rear suspension. With the exception of the blocks between the springs and axle (and shocks) does it appear to be original? Was the original spring a 5 leaf like this?

1972Blaze · 03-20-2016, 03:46 PM

Here is a shot from the rear.

1972Blaze · 03-20-2016, 03:47 PM

Front Spring.

1972Blaze · 03-20-2016, 03:49 PM

One more front angle.

hemi43 · 03-20-2016, 03:54 PM

The U-bolts in the rear are upside down. Blazers used a square U-bolt that went around the springs, and were fastened to a cast plate.

70gmcjimmy · 03-20-2016, 07:36 PM

Mine is a '70 Jimmy so this may not be of any help. My rear leaf springs have 5 leafs like yours, but my front springs only have 2 leafs. The suspension on my Jimmy has never been altered from new.

DAC

hemi43 · 03-20-2016, 09:05 PM

Quote:

Originally Posted by 70gmcjimmy

Mine is a '70 Jimmy so this may not be of any help. My rear leaf springs have 5 leafs like yours, but my front springs only have 2 leafs. The suspension on my Jimmy has never been altered from new.

DAC

Mine is a 70 also. My front springs have been redone, which is why I have extra leaves. I think originally they had only 2, but not certain.
The picture you posted above shows more than 2 leaves per spring.

cleszkie · 03-21-2016, 01:02 PM

Front leaf springs definitely not original. Those appear to have some lift to them. The original front springs have an inverted arch (they bow upward). Yours bow downward. The original front springs also are wider at the spring eyes and taper down at the perch location.

pound41 · 03-21-2016, 03:00 PM

You have original rear leafs with lift kit blocks and switched out lift kit front spring.

03-20-2016, 03:44 PM	#1
1972Blaze Registered User Join Date: May 2013 Location: Covington, Louisiana Posts: 243	Original suspension questions I want to take my 72 Blazer back to factory height. Right now it has been lifted 4". Here is a picture of the rear suspension. With the exception of the blocks between the springs and axle (and shocks) does it appear to be original? Was the original spring a 5 leaf like this? Attached Images __________________ 1972 K5 Blazer Cheyenne 1966 L72 Corvette Convertible 2016 GMC Yukon Denali

03-20-2016, 03:46 PM	#2
1972Blaze Registered User Join Date: May 2013 Location: Covington, Louisiana Posts: 243	Re: Original suspension questions Here is a shot from the rear. Attached Images __________________ 1972 K5 Blazer Cheyenne 1966 L72 Corvette Convertible 2016 GMC Yukon Denali

03-20-2016, 03:47 PM	#3
1972Blaze Registered User Join Date: May 2013 Location: Covington, Louisiana Posts: 243	Re: Original suspension questions Front Spring. Attached Images __________________ 1972 K5 Blazer Cheyenne 1966 L72 Corvette Convertible 2016 GMC Yukon Denali

03-20-2016, 03:49 PM	#4
1972Blaze Registered User Join Date: May 2013 Location: Covington, Louisiana Posts: 243	Re: Original suspension questions One more front angle. Attached Images __________________ 1972 K5 Blazer Cheyenne 1966 L72 Corvette Convertible 2016 GMC Yukon Denali

03-20-2016, 03:54 PM	#5
hemi43 Registered User Join Date: Mar 2015 Location: Ontario Canada Posts: 1,526	Re: Original suspension questions The U-bolts in the rear are upside down. Blazers used a square U-bolt that went around the springs, and were fastened to a cast plate. Attached Images

03-20-2016, 07:36 PM	#6
70gmcjimmy GMCDAC Join Date: Apr 2006 Location: Rapid City, SD Posts: 837	Re: Original suspension questions Mine is a '70 Jimmy so this may not be of any help. My rear leaf springs have 5 leafs like yours, but my front springs only have 2 leafs. The suspension on my Jimmy has never been altered from new. DAC __________________ 1970 GMC K5 Jimmy Custom 4X4 Mom's driver from 1971 to 2001!! Under rebuild! 1972 GMC C2500 Pickup owned since 1979 Needs a rest and refurbish! 1955 GMC 100 2nd design driven almost daily! Rest In Peace Mom. "Dolly" 7/15/23 - 5/18/09 GMC driver for 30 years!

03-21-2016, 01:02 PM	#8
cleszkie Registered User Join Date: Feb 2003 Location: Santa Ana, CA Posts: 2,191	Re: Original suspension questions Front leaf springs definitely not original. Those appear to have some lift to them. The original front springs have an inverted arch (they bow upward). Yours bow downward. The original front springs also are wider at the spring eyes and taper down at the perch location.

03-21-2016, 03:00 PM	#9
pound41 Registered User Join Date: Dec 2002 Location: Northern Virginia Posts: 1,268	Re: Original suspension questions You have original rear leafs with lift kit blocks and switched out lift kit front spring.



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