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Installing only front sway bar (no rear) for spirited street driving

BimmerGuy

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Lmao at the dude mansplaining how to become a better driver to someone that has done One Lap of America for multiple years.
And I would know this, how?
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BimmerGuy

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And I thought he was talking about me ?
I know who you are, Mark, and would never suggest more track time. LOL

So, have you done OLA? I thought about it years ago when it first started, but there just aren't enough pee breaks in the schedule for me. And no, I can't pee in a moving car (not that I've tried).
 

FLtrackdays

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I know who you are, Mark, and would never suggest more track time. LOL

So, have you done OLA? I thought about it years ago when it first started, but there just aren't enough pee breaks in the schedule for me. And no, I can't pee in a moving car (not that I've tried).
I’d love to do it! Things to look forward to in retirement ?
Keep up the good work Michael! NC is beautiful country. I can’t wait to join you up there someday. Probably on the TN side. Knox, Chattanooga or maybe Asheville just because it’s so damn purdy & close to the Appalachian Trail & a buttload of hiking!!
 

MavJ

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If I could get your opinions, do you guys know what the diameter of the incoming US Final Edition Supra's front sway bar will be - and hollow vs solid?

I was looking at the Whitelines which is 24mm diameter with 2 settings as an option too!

Thanks!
 

razorlab

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If I could get your opinions, do you guys know what the diameter of the incoming US Final Edition Supra's front sway bar will be - and hollow vs solid?

I was looking at the Whitelines which is 24mm diameter with 2 settings as an option too!

Thanks!
I don't think anyone knows that yet.

I use the whiteline, it's the same diameter as OEM but solid vs hollow.
 

itzTang

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If I could get your opinions, do you guys know what the diameter of the incoming US Final Edition Supra's front sway bar will be - and hollow vs solid?

I was looking at the Whitelines which is 24mm diameter with 2 settings as an option too!

Thanks!
whoever gets their US FE please cut the sway bar so we can see if its hollow or solid please. thanks!
 

MavJ

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I don't think anyone knows that yet.

I use the whiteline, it's the same diameter as OEM but solid vs hollow.
Is the Whitelines the same dimensions and the farthest adjustment hole the same length as oem?

If so, then at that setting, the increase in stiffness would be primarily due to the solid construction.

I’ll wager Razorlab knows the increased stiffness of the Whitelines bar vs oem!? I can’t find it posted.

I personally want just a very slight amount of increased stiffness over stock - which is probably why the FE or whitelines at softest will be what I guess will be ideal.
 

razorlab

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I personally want just a very slight amount of increased stiffness over stock - which is probably why the FE or whitelines at softest will be what I guess will be ideal.
This is exactly why I changed to the whiteline from the cusco. I wanted something closer to stock but not totally the same as stock.

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Funkjaw

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Is the Whitelines the same dimensions and the farthest adjustment hole the same length as oem?

If so, then at that setting, the increase in stiffness would be primarily due to the solid construction.

I’ll wager Razorlab knows the increased stiffness of the Whitelines bar vs oem!? I can’t find it posted.

I personally want just a very slight amount of increased stiffness over stock - which is probably why the FE or whitelines at softest will be what I guess will be ideal.
I have a 30 day subscription to super grok so I'm getting my moneys worth. It did some math on the whiteline vs stock sway bar stiffness and this is what it spit out. With all things AI take it with a grain of "this could be completely inaccurate":


Table: Estimated Stiffness Comparison
ComponentDiameter (mm)TypeEstimated Stiffness (lbs/in)Increase Over Stock (%)
OEM Front Sway Bar24Hollow1730%
Whiteline BTF99Z (Soft)24Solid~193~20%
Whiteline BTF99Z (Stiff)24Solid~260~50%


ComponentDiameter (mm)TypeEstimated Stiffness (lbs/in)Increase Over Stock (%)
OEM Rear Sway Bar18Hollow510%
Whiteline BTR99Z (Soft)18Solid~61~20%
Whiteline BTR99Z (Medium)18Solid~69~35%
Whiteline BTR99Z (Stiff)18Solid~77~50%

Like Bryan I like the idea of only being mildly stiffer than stock instead of full on erect. Just might trade my aFe set in for Whiteline; or maybe have aFe front and Whiteline rear.
 

MavJ

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Wow. I'm in awe. Seriously, you guys are amazing - such a great asset to the community - thank you. This is the detailed quantitative information we need to balance our qualitative analysis. :) Thank you.
 

i3igpete

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So I realize that most of us here are engineers, but for the ones that aren't, keep in mind that the center of a shaft in torsion carries the least amount of load. You're better taking off that freeloading lazy bit of material in the center and putting it to work on the outside

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puzzled

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The only thing I understood was freeloader.. which is my neigbhor biotch down the street :crazy: , and lazy which is me. ? I use to run Whiteline sways on several of my past cars and the rule of thumb was soft setting was about 20-25%s stiffer than stock, medium was 33-35% (using adjustable endlinks), and stiff about 50%.
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