Re: Rearching Leaf Springs - Good Idea?
[Re: dOc !]
#2673452
07/03/19 12:45 AM
07/03/19 12:45 AM
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Joined: Nov 2003
Posts: 36,040 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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I would clamp it in 2 places with C clamps a bit out from the center bolt & crack the nut with a nut cracker (nut tends to be frozen & the rounded head bolt is special) then gradually loosen em to dissassemble then bend the main leaf then reassemble. I always wanted to try those zinc liners that speedway sells tho I cant say I ever had an issue with squeaky springs.
live every 24 hour block of time like it's your last day on earth
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Re: Rearching Leaf Springs - Good Idea?
[Re: dOc !]
#2673526
07/03/19 10:06 AM
07/03/19 10:06 AM
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Joined: Jan 2008
Posts: 1,211 Minn
SportF
pro stock
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pro stock
Joined: Jan 2008
Posts: 1,211
Minn
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I did it a long LONG time ago with a 20 lb sledge !
No harbor freight presses then ! Do it that way now ! Factory springs are the best there ever was. Re-arching is the only way to go. Have done this on my press many times and it lasts, like no other spring. Hammers work too.
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Re: Rearching Leaf Springs - Good Idea?
[Re: SportF]
#2673534
07/03/19 10:39 AM
07/03/19 10:39 AM
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Joined: Apr 2007
Posts: 2,915 Calgary, Alberta Canada
a12rag
master
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master
Joined: Apr 2007
Posts: 2,915
Calgary, Alberta Canada
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When I restored my Sport Satellite, I went with a set of Mopar Performance rear springs . . . . UGGHHH !!! . . . after about 1 year the car "sank" about 2" !! I really did not like the look of the flat springs and back end going down . . . took the original springs to local shop, they re-arched them, and added 1 leaf ! That was about 3 or 4 years ago now, and they have not sagged at all. Not sure if the Mopar Performance springs are better now, but if I had the choice, I would keep my originals and get them re-arched !
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Re: Rearching Leaf Springs - Good Idea?
[Re: a12rag]
#2673540
07/03/19 11:00 AM
07/03/19 11:00 AM
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Joined: Jan 2005
Posts: 4,404 Michigan
MarkZ
Worthy
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Worthy
Joined: Jan 2005
Posts: 4,404
Michigan
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I had the factory springs on my 87 re-arched with a helper leaf added by a local spring shop. Car had a serious sag to it beforehand. Raised the car about 2" higher than what I wanted and it settled back down to factory ride height after a couple days - exactly what the spring shop said would happen. It held that height for six or seven years until I pulled the springs and went with new ones while I was rebuilding the entire suspension. They were still at the correct height when pulled and I gave them to another guy who to my knowledge still runs them on his car.
Either get the re-arched or call John R Spring and see if they have something that will fit.
1987 Fifth Avenue - 512/518/D60
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Re: Rearching Leaf Springs - Good Idea?
[Re: topside]
#2673576
07/03/19 12:47 PM
07/03/19 12:47 PM
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Joined: Jan 2003
Posts: 21,065 Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,065
Niles , Ohio
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Had the ones on my kids 62 300 done.He had them add a leaf and 1 inch more arch at the time.He drove the car at least 14 years and they were better than any new spring you could buy now.He beat the car to death mileage and racing.My 57 if the mains werent all broke they would have been done also.Just happened that local spring shop had a set they made probally 30 years before that I bought.Rocky
Chrysler Firepower
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Re: Rearching Leaf Springs - Good Idea?
[Re: Pntastar69]
#2673585
07/03/19 01:15 PM
07/03/19 01:15 PM
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Joined: Jan 2005
Posts: 4,404 Michigan
MarkZ
Worthy
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Worthy
Joined: Jan 2005
Posts: 4,404
Michigan
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I just noticed you're in Macomb. Northern Spring on Groesbeck is the shop I had re-arch the original springs. John R Spring is at 14 and Dequindre in Troy if you wanted to look into new ones. I paid $240 back when for the re-arch and $280 for the new ones and that included one added leaf over stock (five in total) and rubber bushings.
1987 Fifth Avenue - 512/518/D60
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Re: Rearching Leaf Springs - Good Idea?
[Re: vinnyd76]
#2736501
01/25/20 02:09 PM
01/25/20 02:09 PM
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Joined: Jan 2003
Posts: 15,311 Omaha Ne
TJP
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 15,311
Omaha Ne
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Anyone have luck with restoring rear leaf springs? Good idea? Does the rearching process last for a while? I looked into a set of stock reproduction 340 A-Body leaf springs through Mopar, but they stopped making them. I have been using Laura at ESPO, AKA Springs and things with great success for about 20 years on multiple cars. CLICK HERE FOR HER WEBSITE
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Re: Rearching Leaf Springs - Good Idea?
[Re: fullmetaljacket]
#2736574
01/25/20 05:10 PM
01/25/20 05:10 PM
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Joined: Jan 2008
Posts: 1,211 Minn
SportF
pro stock
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pro stock
Joined: Jan 2008
Posts: 1,211
Minn
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Isn't it cheaper and faster to add a SLIGHTLY longer shackle or would that mess with the angle of the shackle. . This was done ALL the time back in the '60's. I remember seeing many a car with very long (6inch or more) shackles with the car lower than what it was when the springs were weak, and before the shackles were extended. This was especially true on late 50's Fords. It puts more stress on spring already giving out. As I said above, re-arching is, to me, the best way to go. Extending the shackles is on the other end of the spectrum.
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