1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Rear adjustables springs for FB

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Old 06-25-07, 08:28 PM
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Rear adjustables springs for FB

OK I seen them before but were can you buy them???
Please any info.
Old 06-25-07, 08:39 PM
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Good luck...do you mean coil overs or shocks, if shocks you have a wonderful choice of Tokico Illuminas or nada.....unless you want to fab a custom install
Old 06-25-07, 08:49 PM
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No I seen them before and I ask were they bought the height adjusters and I can remember the name of the place but I remember they said that they were located in Florida.
And it's a spring with a right adjuster on bottom of it kind like a adj coil over set up but with out the shock in the middle..
Old 06-25-07, 09:08 PM
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Those would be rear spring height adjusters from iscracing.net



http://www.iscracing.net/1stgenparts.htm
Old 06-25-07, 09:30 PM
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Thank you I knew I wasen't smoking crack.
Old 06-26-07, 06:41 AM
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CURVE OF CONSTANT WIDTH

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Respeed makes some as well

http://www.mrcmfg.com/respeed/catalo...453b7036398089
Old 06-26-07, 08:27 AM
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Originally Posted by RotaryBuddha
Thanks for the plug although Our kits are front only. We have looked into the rear setups. Currently we do not see how to improve on the ISC parts. They work perfectly for the application and are priced well. We will not be developing rear kits anytime in the near future. Call Mike. Great Guy.

-billy
Old 06-26-07, 08:38 AM
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CURVE OF CONSTANT WIDTH

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Originally Posted by bwaits
Thanks for the plug although Our kits are front only. We have looked into the rear setups. Currently we do not see how to improve on the ISC parts. They work perfectly for the application and are priced well. We will not be developing rear kits anytime in the near future. Call Mike. Great Guy.

-billy
Ok I didn't know. Maybe you should put that in the description on the website so people like me don't get confused.
Old 06-26-07, 08:52 AM
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Originally Posted by RotaryBuddha
Ok I didn't know. Maybe you should put that in the description on the website so people like me don't get confused.
Done. Thanks.

-billy
Old 06-26-07, 10:31 AM
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I would recommend getting the ReSpeed Coilovers for the front and the ISC Racing spring adjusters for the rear. I just got back from a track day with this setup and took down some cars pretty easily that I thought I would have had a harder time with.

That includes a coilover'd miata on azenis pushing 125rwhp. I am running BFG-Gforce tires and probably have similar Rwhp.

Besides Billy has the best customer service I have ever experienced.

-Greg
Old 06-26-07, 09:59 PM
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With those rear adjusters, I guess I'm not clear on how they are supposed to work. It seems that you would only be able to raise the ride height, unless you shortened the springs. Is that correct?
Old 06-27-07, 06:16 AM
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Originally Posted by Kentetsu
With those rear adjusters, I guess I'm not clear on how they are supposed to work. It seems that you would only be able to raise the ride height, unless you shortened the springs. Is that correct?
The springs are shorter than stock.
Old 06-27-07, 09:53 AM
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mattp is correct.

My rears are adjusted half way up and my tires sit flush with the fender lip. No gap and no rubbing issues with 205/50/17's even on the race track.

The fronts rub a little but I can just adjust them up a bit.
Old 06-27-07, 12:46 PM
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So the ISC rear collars require use of a different rear spring? Could I use my Suspension Techniques or do they supply special fitment springs?
Old 06-27-07, 12:55 PM
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Originally Posted by XLR8
So the ISC rear collars require use of a different rear spring? Could I use my Suspension Techniques or do they supply special fitment springs?
IIRC, they require a spring that is designed different than the stock spring. you wouldnt be able to use any stock style spring.
Old 06-27-07, 01:03 PM
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Does ISC sell the springs that fit? Can I select the spring rates upon purchase?

Also, I just emailed ISC and they said they sold their last pair yesterday. I am currently enquiring when they will get more. I will keep you all posted.

***********************************************
EDIT:
This was just sent to me by an ISC represenitive.

"We will not be getting any more. We are no longer carrying or working on the 1st gen stuff, we have moved on to mostly Miata and a few 2nd gens but not a lot of them."

************************************************

Bummer.......
Well Billy, looks like there could be a market for this product now. I would definatly be interested. Anyone else?

Thanks

Last edited by XLR8; 06-27-07 at 01:11 PM. Reason: New info
Old 06-27-07, 01:46 PM
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Cool

Eibach rear springs with the deadcoils should work just fine, just cut off the dead coils and use the adjuster for height tuning.
I cut off 2 deadcoils for my ride height, the adjusters would refine that even further.
***note** Eibach 200# spring on the left, Racing beat spring on the right.
A single coil cut off laying in front, ended up cutting a second.
Attached Thumbnails Rear adjustables springs for FB-dsc06166.jpg   Rear adjustables springs for FB-dsc06167.jpg   Rear adjustables springs for FB-dsc06256.jpg  
Old 06-27-07, 03:08 PM
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Originally Posted by Slammed_GSL
Eibach rear springs with the deadcoils should work just fine, just cut off the dead coils and use the adjuster for height tuning.
I cut off 2 deadcoils for my ride height, the adjusters would refine that even further.
***note** Eibach 200# spring on the left, Racing beat spring on the right.
A single coil cut off laying in front, ended up cutting a second.
No, this will not work, the ID of the eibach dead coil springs are bigger than the O.D. of the spring adjuster. You'll need to use ISC's springs in order for this to work.
Old 06-27-07, 03:22 PM
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Originally Posted by XLR8
***********************************************
EDIT:
This was just sent to me by an ISC represenitive.

"We will not be getting any more. We are no longer carrying or working on the 1st gen stuff, we have moved on to mostly Miata and a few 2nd gens but not a lot of them."

************************************************

Bummer.......
Well Billy, looks like there could be a market for this product now. I would definatly be interested. Anyone else?

Thanks
I just got off the phone with Mike. He is getting out of the manufactured side of the parts. He will still carry the fiberglass and stuff like that.

We will pick up where we left off on the rear springs and adjusters.

-billy
Old 06-27-07, 03:53 PM
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^^ sweetass!!
Old 06-27-07, 04:47 PM
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Originally Posted by bwaits
I just got off the phone with Mike. He is getting out of the manufactured side of the parts. He will still carry the fiberglass and stuff like that.

We will pick up where we left off on the rear springs and adjusters.

-billy
Billy,

You're getting to be our 1st gen hero. I'm going to have to come up and visit your shop sometime and drool.
Old 06-27-07, 04:51 PM
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The springs for the ISC adjusters are blue coil springs from Suspension Spring Specialists. You can get tons of different weights and lenghts. The rear adjusters use pretty much standard 5 inch O.D. springs with one flat end and the other end just "cut" off. This end fits on the lower spring seats that our axles require. The springs come that way. I have some on my project and they are great quality, so are the spring adjusters.

http://www.bluecoilspring.com/
Old 06-27-07, 07:17 PM
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Ill buy a set if REspeed makes them put me on the list or a least start one to purchase the first batch.

I call ISC Tuesday morning and was told that they had the last set available so stupid me told them that I will call them later with a credit card number, guess what happened later? some one have already purchase the last ones

So bwaits if you guys make one put me on the list Ill buy one and believe me this time i won't call later.
Old 06-27-07, 07:52 PM
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What version of the rear shocks does ISC use? Going that low in the rear usually bottoms out pretty bad, even with the bump stop cut. The idea looks great, I just don't wanna keep replacing blown rear shocks.
Old 06-27-07, 08:41 PM
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Originally Posted by Slammed_GSL
Eibach rear springs with the deadcoils should work just fine, just cut off the dead coils and use the adjuster for height tuning.
I cut off 2 deadcoils for my ride height, the adjusters would refine that even further.
***note** Eibach 200# spring on the left, Racing beat spring on the right.
A single coil cut off laying in front, ended up cutting a second.


WHERE CAN I GET THOOSE FENDER FLARES?



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