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Old 11-13-2019, 04:33 PM   #1
tsk94
 
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Linear coilover springs with Bilstein B8s?

Does anyone know if it's possible to run a linear coilover spring (Swift, Hyperco, Eibach etc) with front Bilstein B8 struts? I'm struggling to find info on the stock springs to determine whether the upper and lower perch are the same diameter and could be used in a linear spring, and what size it is to determine the size of linear spring to get.

I'm sure someone has either looked into this or possibly done it before so any information would be helpful.
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Old 11-13-2019, 07:08 PM   #2
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I have Bilstein B8s, and the spring perches are exactly the same as the factory shocks. I also can't see how you'd run coilover springs in place of factory ones. I'd suggest finding some factory springs and taking some measurements.
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Old 11-13-2019, 07:19 PM   #3
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I'm thinking he's just using bad terminology. Suspect he is really speaking coil springs, not coilover springs.
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Old 11-13-2019, 07:23 PM   #4
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I'm running Tein S. Tech springs and about to install Bilstein B8's. Should work fine. I'm just looking for better bump stops and top mounts before installing.
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Old 11-13-2019, 07:23 PM   #5
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Quote:
Originally Posted by WeeYari View Post
I'm thinking he's just using bad terminology. Suspect he is really speaking coil springs, not coilover springs.
Well, yes - I'm refering to coil springs. Linear rate springs are often categorized as coilover springs, as they are typically only used in a coilover application. See Swifts site for example: http://www.swiftsprings.com/
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Old 11-13-2019, 07:25 PM   #6
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Quote:
Originally Posted by stidnam View Post
I have Bilstein B8s, and the spring perches are exactly the same as the factory shocks. I also can't see how you'd run coilover springs in place of factory ones. I'd suggest finding some factory springs and taking some measurements.
Yeah, I wasn't sure if it was possible. I'm planning to measure some stock ones to confirm in the future - just thought to ask here.

I know for Koni yellows for example, you can run linear springs with them on certain application. Figured maybe you could do the same with the B8's for the Yaris.
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Old 11-13-2019, 07:30 PM   #7
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Quote:
Originally Posted by ern-diz View Post
I'm running Tein S. Tech springs and about to install Bilstein B8's. Should work fine. I'm just looking for better bump stops and top mounts before installing.
Aren't the Tein's a progressive spring? I've considered those, but I'm thinking I want something a bit stiffer.
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Old 11-15-2019, 11:22 AM   #8
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Originally Posted by tsk94 View Post
Aren't the Tein's a progressive spring? I've considered those, but I'm thinking I want something a bit stiffer.
They are a progressive spring. My hope with the B8's is that they stiffen things a little and last longer than OEM under lowering.
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Old 11-20-2019, 07:05 PM   #9
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How you all liking the B8s?
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Old 11-20-2019, 08:16 PM   #10
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Quote:
Originally Posted by ern-diz View Post
They are a progressive spring. My hope with the B8's is that they stiffen things a little and last longer than OEM under lowering.
They are much stiffer than stock amd are designed for lowering springs. I have them with tien stechs in my 07 2zr swapped car
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Old 11-21-2019, 10:20 AM   #11
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They are much stiffer than stock amd are designed for lowering springs. I have them with tien stechs in my 07 2zr swapped car
Nice. Did you go with OEM bump stops and cut them down, or did you find something a little better?

OEM top mounts, too?
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Old 11-23-2019, 06:09 AM   #12
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Originally Posted by ern-diz View Post
Nice. Did you go with OEM bump stops and cut them down, or did you find something a little better?

OEM top mounts, too?
Yes oem top mounts and I just cut the stock bump stops.
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Old 11-25-2019, 03:10 PM   #13
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Yes oem top mounts and I just cut the stock bump stops.
Thanks
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Old 12-04-2019, 10:31 PM   #14
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Quote:
Originally Posted by myfirstyota View Post
They are much stiffer than stock amd are designed for lowering springs. I have them with tien stechs in my 07 2zr swapped car
My tokico blues are pretty rough, especially in cold weather.
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