Aero and Suspension Tuning With True Type Coilovers

cv129 · 07-06-2019, 06:04 AM

Quote:

Originally Posted by OptionZero

I remember reading about this

Where the spring is located is physically changed when u go from OEM type to true type
Since the OEM spring rates are based on oem locations, and the tuners are using that same geometry to do their math, it stands to reason that changing that spring location changes the geometry and requires new math to find ideal spring rates

I wouldn’t say geometry has changed. The arc of which the arms move are still the same. There’s no change to how camber and toe build up as the springs get compressed.

It’s the physics that changed. Imagine using the same spring, moving the spring outward to the hub makes it much harder to compress the spring, therefore a lower spring rate is needed to compensate.

Hotrodz · 07-06-2019, 09:22 AM

Quote:

Originally Posted by cv129

I wouldn’t say geometry has changed. The arc of which the arms move are still the same. There’s no change to how camber and toe build up as the springs get compressed.

It’s the physics that changed. Imagine using the same spring, moving the spring outward to the hub makes it much harder to compress the spring, therefore a lower spring rate is needed to compensate.

Nailed it, as this is what I have read and was explained to me!

cv129 · 07-06-2019, 11:00 AM

Quote:

Originally Posted by Hotrodz

Nailed it, as this is what I have read and was explained to me!

I remember my first time reading a discussion about this on a wrx forum, it went over my head completely. Looking forward to the results. This thread makes me think twice about my own rear rate.

Hotrodz · 07-06-2019, 11:13 AM

Quote:

Originally Posted by cv129

I remember my first time reading a discussion about this on a wrx forum, it went over my head completely. Looking forward to the results. This thread makes me think twice about my own rear rate.

It is agonizing for me as I want to get the info, make the adjustments and test them but the testing will have to wait until my motor is built and installed. I still have ETA on delivery.

BettyZ · 07-06-2019, 01:23 PM

Quote:

Originally Posted by Hotrodz

It is agonizing for me as I want to get the info, make the adjustments and test them but the testing will have to wait until my motor is built and installed. I still have ETA on delivery.

I feel like your motor build wait has been going on for at least 3 years.. cant imagine what it's like for you lol

Sent from my SM-G955U using Tapatalk

Hotrodz · 07-06-2019, 01:59 PM

Quote:

Originally Posted by BettyZ

I feel like your motor build wait has been going on for at least 3 years.. cant imagine what it's like for you lol

Sent from my SM-G955U using Tapatalk

LMAO it does feel like three years but it has only been since November last year.

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