De Arching SS Springs

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RevolRapom

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How much is a fair price to have them de arched? I was told $90ea by a local company but don't know what's involved and whether or not it's worth it.

72 duster, mild 318/904 that I minitubbed years ago and never finished. I've got the bug to get this thing back on the road and it sits about 5 inches too high.

Comments welcome. Flamers welcomed as well.
 
For 90 bucks each, I would buy new springs, and sell those SS springs to recoup some of your money.

In the long run, I think you would come out ahead.
 
For example, stock springs from http://www.springsnthings.com/ would be around 195 plus 77 for shipping to your zip. 272 bucks roughly.

Sell the SS springs for let's say 75 apiece = 150. That means you would have new springs for around 120 bucks. That's a 60 dollar savings.
 
Bad Sport, That's what I was thinking, sell the SS Springs and buy new for about the same price. I believe they are the 002 and 003 springs but I'd have to double check. I'd hate to drop $180 on these and still be unhappy with them.
 
A moderator has to approve my posts? Weird. I've been on several forums that've never had this feature, even with nubs.
 
It's because your post count is still low, and there must have been something in the post to trigger the moderate. Perhaps the dollar amount.

It should quit shortly, after you get a few more posts.
 
shop rates around here are $60 - $70 hour.De -arch them assembled as a unit.
..should take about 15 - 20 min each...
 
I am swapping out my springs in the next couple weeks. They are original stock springs. If they are the type you want they are yours for free. All you have to pay for is shipping.
 
I have the 863/864SS springs (2800#) on my Demon and it doesn't sit sky high. I've also read the ride isn't to bad with them. They're about 115 a side. The tires are 28" tall.
 

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Dubob said:
I have the 862/863 SS springs (2800#) on my Demon and it doesn't sit sky high. I've also read the ride isn't to bad with them. They're about 115 a side. The tires are 28" tall.
Click to expand...

Nice to see that, that's what I'm going to install on my Sport this winter.
 
Bad Sport said:
Nice to see that, that's what I'm going to install on my Sport this winter.
Click to expand...

I had it all mocked up with the torsion bars set at factory spec, the fronts are 26" tall. Measuring just off the rocker behind the front wheel and qtr in front of the rear there's an inch difference in height.
 
I've got a set, and soon a second set, of 002/003 springs that have settled over the years. But I would estimate 2" or so. I have a lot of ballast in my race car. Yours actually sits 5" higher than you want?
 
Myron will perhaps back me up on this.....but there is a lot more to SS springs than the arch.

I would de-arch the SS springs....unless this is a street car. Take then to the spring shop and tell them you will pay the hourly rate....only if you watch (the actual time they work on them)....sitting on the bench doesn't count.
A good tech will be done in a half hour.
 
Yea, the built-in bias is good to keep if the car will still be street/strip, now or eventually. But for mainly a street cruiser (despite the mini-tub), equal springs would probably work better. Of course, money is a factor and may require a compromise.
 
You can de-arch each leaf yourself in a vise if you have one. I have done this and it works.
 
If you De-arch them they will be longer!! Spring length is based on how much arch you want. The higher the arch the the longer they have to make the spring or it wouldn't reach the perches. I also think the center pin location changes a little also. The 3 inch taller springs I ordered had the pin in a slightly different location because the overall length changed.

Treblig
 
I put super stock springs on my son's duster and flipped the front spring mount and used wedge shims to correct the pinion angle



 
^^^^ this is your first answer to try , check if the front hanger has been flipped to to put the bolt on the lower side of the hanger , if so flip them back to lower the ride height , second do not put 2800 lb springs on your 3400 lb car , the tard that did my resto did this and they went soft and sagged in no time ,springs are rated for vehicle weight for a reason , if flipping the hangers won't lower the ride height then get XHD springs in your vehicle weight rating with the stock arch and sell the SS springs , just remember to check and re-shim the thrust angle as well as the pinion angle after swapping .
 
cannucky said:
^^^^ this is your first answer to try , check if the front hanger has been flipped to to put the bolt on the lower side of the hanger , if so flip them back to lower the ride height , second do not put 2800 lb springs on your 3400 lb car , the tard that did my resto did this and they went soft and sagged in no time ,springs are rated for vehicle weight for a reason , if flipping the hangers won't lower the ride height then get XHD springs in your vehicle weight rating with the stock arch and sell the SS springs , just remember to check and re-shim the thrust angle as well as the pinion angle after swapping .
Click to expand...

the front spring hanger bolt is at the bottom stock, to flip it you have to slot the holes in the torque box.
 
Here is my Dart with 002/003 springs and the front bars turned up a little.
 

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Go on line and google Eaton Detroit Spring there is an exellant tech section that would answer all your questions.
 
Thanks for the responses guys. It has an inboard kit so there's no front hangers to flip.

1. The holes are drilled up as high in the box as possible without the spring eye hitting the top of the box.
2. I put 3inch lowering blocks on it back then and it still sits a couple inches too high for my liking.
3. The inboard kit was done about 10 years ago and the springs haven't sagged at all(although I only put about 5 miles on it back then before parking it, they were already used by a 550hp Dart before I got them).
4. I'm not too worried about the spring length(I need to relocate the axle to the wheelwell centerline anyway, it sits too far forward to utilize a taller tire). So I can accommodate the additional length(maybe 1 inch?) by rewelding the rear hanger tubes.
 
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