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Old 03-08-2014, 04:33 AM   #26
Dropspeed
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Above it looks like you are talkin about coil overs. The OP have parts numbers for the sport Ryder which is just the spring on the stock strut.

Matt
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Old 03-08-2014, 07:04 AM   #27
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There was an older posting with the drop spring rates. Pretty much everyone's front drop spring rates were in the 200s. Similar to the front coilover rates of most brands. Only Pedders/BC shipped with stiffer 448lbs/ft(8kg) front coilovers. Pedders front drop springs were much softer, but firmer than the stock 150s. I looked at them back in 2009 before going with the coilover option.
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Old 03-08-2014, 09:03 AM   #28
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Quote:
Originally Posted by chuckclanton View Post
I sent a response back to:

Pedders UK with a request to double check the 220032 spring rate as my peers find it hard to believe. If I get a response I will post it.
Attached are all e-mails with Pedders UK. remember read bottom up as it is a continuing e-mail. Bottom line, Roger says the same, 130#. Anymore interest I gave this e-mail address. However I did respond with the concern of banging into the stops and questioning if the springs may be progressive and the 130# was the initial rate.
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Last edited by chuckclanton; 03-08-2014 at 09:19 AM. Reason: typo
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Old 03-08-2014, 09:29 PM   #29
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the coilover springs are linear, the drop springs are progressive.
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Old 03-09-2014, 08:14 AM   #30
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Quote:
Originally Posted by Rob@WretchedMS View Post
the coilover springs are linear, the drop springs are progressive.

Rob, please provide a link to or documentation that states this.

The drop springs were presented to many people on here as being linear in multiple conversations...(not by you).


Thank you,
Matt
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Old 03-09-2014, 10:43 AM   #31
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Quote:
Originally Posted by Dropspeed View Post
Rob, please provide a link to or documentation that states this.

The drop springs were presented to many people on here as being linear in multiple conversations...(not by you).

Thank you,
Matt
Pictures of the Pedders springs show the fronts looking like linear rate springs and the rears looking like progressive. Notice the spring wrap is not uniform but closer together at one end. I did read that they were a dual rate spring. The wrap does look like it confirms that.
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Old 03-11-2014, 07:34 AM   #32
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And here we have confirmation:



Hello Matt,

Thank you for your enquiry.

The answer to your questions are as follows:

Front coil 220032, Linear Rate, 130Lb/inch or 2.3Kg/mm
Rear Coil 220033, Linear Rate, 433Lb/inch or 7.8Kg/mm


I hope this is of some assistance to you.


Regards,

Pedders Expert | Pedders Suspension

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Form (Ask an expert) has been submitted on 09-03-2014 Their details are as follows:

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comments questions: Hello,

Are your Sport Ryder springs for the 2010+ Camaro (220032/220033) Linear or Progressive. What are the springs rates?

Thank you,
Matt

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Old 03-11-2014, 07:47 AM   #33
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Quote:
Originally Posted by Rob@WretchedMS View Post
The springs are progressive, you can't really rate a progressive spring like that.
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or maybe he's just wrong.
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It's a progressive spring, the rate changes with compression, so to give you a rate will depend upon the compression.
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the coilover springs are linear, the drop springs are progressive.
Rob,

As you can read in the above post I logged onto the Pedders.Au site and asked them directly about Sport Ryders and provided the parts number. The response is the same rates that the OP received from Pedders UK and they state they are linear rates.

From your quotes you seem very adamant that the springs are progressive....Can you provide any documentation to back this?

This is not to put you on the spot...I want to know what is on my car as they were present on the forums as being linear and the reason I used them.

Thank you,
Matt
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Old 03-11-2014, 10:43 AM   #34
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You are right, i am wrong.
The springs that i was using for reference were the prototype springs that i did the initial install of for Pedders back in 2010, those were progressive, but we were not happy with them and pulled them off in place of the other springs, i didn't notice the change myself, sorry about that.
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Old 03-11-2014, 11:05 AM   #35
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Quote:
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You are right, i am wrong.
The springs that i was using for reference were the prototype springs that i did the initial install of for Pedders back in 2010, those were progressive, but we were not happy with them and pulled them off in place of the other springs, i didn't notice the change myself, sorry about that.
Not a problem! I purposely sought out linear rate springs last year and that is why I went with the Pedders.....Had they not been linear it had me rethinking my set-up.

Thanks,
Matt
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Old 03-11-2014, 12:43 PM   #36
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Now that the Pedders spring rates have been confirmed, I like the idea of the soft springs up front! Ordered a pair from summit racing, be here tomorrow. Will remove front Hotchkis springs and install the Pedders. Rears are basically the same 440# vs 443#. Too bad I could never find the Pedders rates before putting in the Hotchkis.
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Old 03-19-2014, 11:46 PM   #37
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Now that the Pedders spring rates have been confirmed, I like the idea of the soft springs up front! Ordered a pair from summit racing, be here tomorrow. Will remove front Hotchkis springs and install the Pedders. Rears are basically the same 440# vs 443#. Too bad I could never find the Pedders rates before putting in the Hotchkis.
Why remove the Hotchkiss in the front? What issue are you trying to resolve?

Thanks!
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Old 03-20-2014, 08:11 AM   #38
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Why remove the Hotchkiss in the front? What issue are you trying to resolve?

Thanks!
The OP can answer why He is doing it......

But in general one way to increase front grip and reduce understeer is to run a softer front springs. As he already has front and rear springs I assume that is his reasoning.

On your stock car you can accomplish a similar result by increasing the rear springs rate and leaving the front springs stock.

If you are lowering for looks only the above is not as important.

-Matt
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Old 03-20-2014, 10:24 AM   #39
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Are Pedders rear 1" lowering springs still available? I thought they went out of business and, therefore, no longer available. I do see 1.5" rear drop springs for the SS on Summit Racing, but the only 1" rear drop springs are for convertibles only. I am not sure if they are selling whats left in stock, or if these are being produced by Pedders UK still.
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Old 03-20-2014, 10:32 AM   #40
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Originally Posted by Dropspeed View Post
The OP can answer why He is doing it......

But in general one way to increase front grip and reduce understeer is to run a softer front springs. As he already has front and rear springs I assume that is his reasoning.

On your stock car you can accomplish a similar result by increasing the rear springs rate and leaving the front springs stock.

If you are lowering for looks only the above is not as important.

-Matt
Exactly! I replaced the front hotchkis with the pedders to improve front grip as well as raise the front a 1/4 in to match the hotchkis rears in ride height. I like fixing the end that isn't working. Ran an autocross since with good results. No more turn in issues as the car rotates much better and exit well under power. Also the ride is better!
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Old 03-20-2014, 12:22 PM   #41
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Are Pedders rear 1" lowering springs still available? I thought they went out of business and, therefore, no longer available. I do see 1.5" rear drop springs for the SS on Summit Racing, but the only 1" rear drop springs are for convertibles only. I am not sure if they are selling whats left in stock, or if these are being produced by Pedders UK still.
"Pedders" did not go out of business. PeddersUSA the US distribution company is under a forced bankruptcy. Pedders.AU is the parent company (Australia not UK). What is not known at this time is what is going to happen once the court proceedings are over, will PeddersUSA come back, will Pedders stop suporting the US market, or some other distribution here. Last I checked, PeddersUSA was still listed as the US distributer on the pedders.com.au website. (Just checked, still is) My guess, and that is all it is, is Summit has left over parts. Rob@wretchedms (vendor on here) also had some Pedders parts left as well.
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Old 03-20-2014, 01:56 PM   #42
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"Pedders" did not go out of business. PeddersUSA the US distribution company is under a forced bankruptcy. Pedders.AU is the parent company (Australia not UK). What is not known at this time is what is going to happen once the court proceedings are over, will PeddersUSA come back, will Pedders stop suporting the US market, or some other distribution here. Last I checked, PeddersUSA was still listed as the US distributer on the pedders.com.au website. (Just checked, still is) My guess, and that is all it is, is Summit has left over parts. Rob@wretchedms (vendor on here) also had some Pedders parts left as well.
Thanks a lot for the info man, much appreciated.
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