Changing rear suspension - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**desertnick69** · 12-01-2013, 09:48 PM

I have been looking at changing from a leaf to coil rear suspension on my 1969 C/20. I have both trucks here so i can look at them and not have any suprises, but that is not the case. Today i was under the coil spring truck and notice there are "reinforcment plates" are these normal? I have searched this site on this subject and never really heard about them. I got a few pic to show.

SS Tim · 12-01-2013, 10:17 PM

Since bolts are not a direct replacement for rivets, why not just roll the refurbished coil frame under your existing truck?

Mustard72 · 12-02-2013, 12:15 AM

I believe the plates are normal; at least they were on all of the coil spring frames I've looked at during my rebuild project. They seem to be problem areas for rust up here in da north, but probably aren't as problematic down by you.

**desertnick69** · 12-02-2013, 12:16 AM

The frame of the truck with the coil spings is the on that had a misfortune of being in a wreak that messed up the front end. So i am taking from the bad to the good.

12-01-2013, 09:48 PM	#1
desertnick69 Senior Member Join Date: Jan 2012 Location: Phoenix, Arizona Posts: 499	Changing rear suspension I have been looking at changing from a leaf to coil rear suspension on my 1969 C/20. I have both trucks here so i can look at them and not have any suprises, but that is not the case. Today i was under the coil spring truck and notice there are "reinforcment plates" are these normal? I have searched this site on this subject and never really heard about them. I got a few pic to show. Attached Images

12-01-2013, 10:17 PM	#2
SS Tim Registered User Join Date: Aug 2010 Location: Edwards, CA Posts: 7,503	Re: Changing rear suspension Since bolts are not a direct replacement for rivets, why not just roll the refurbished coil frame under your existing truck? __________________ Thanks, Tim * VIN/Model Decoders * Power Team Charts (engine/transmission/gear ratio) * Post Your Pickup SPID Blazer SPID Suburban/Panel SPID * RTFM ... Read The Factory Manuals... download 'em here Highlanders Do you have a 1972 Plaid Pickup? Plaid Blazer ** Plaid Suburban

12-02-2013, 12:15 AM	#3
Mustard72 Registered User Join Date: Jul 2012 Location: Ladysmith, WI Posts: 641	Re: Changing rear suspension I believe the plates are normal; at least they were on all of the coil spring frames I've looked at during my rebuild project. They seem to be problem areas for rust up here in da north, but probably aren't as problematic down by you. __________________ Nick Old Mustard, 1972 Chevy C20, 350, TH350, 4.10 Dana 60 rear, owned since I was 16 in 1986 http://67-72chevytrucks.com/vboard/s...d.php?t=545356 Blue Bell, 1987 K20, 6.2L Diesel, TH400/NP208, 4.10 gears Ustahav 1976 K10, 350/350/203, Gov Loc, Yooper beater trail truck.

12-02-2013, 12:16 AM	#4
desertnick69 Senior Member Join Date: Jan 2012 Location: Phoenix, Arizona Posts: 499	Re: Changing rear suspension The frame of the truck with the coil spings is the on that had a misfortune of being in a wreak that messed up the front end. So i am taking from the bad to the good.



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