Thread #6280

Camber question

10 archived posts · 563 historical views

EliteAutoStyleAugust 29, 2007
#84514

Camber question

Ok, here goes. For every negative degree of camber you apply, how many mm does the top of the wheel retract?
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Ok, here goes. For every negative degree of camber you apply, how many mm does the top of the wheel retract?
elpresidenteAugust 29, 2007
#84516
Well, this is a little vague. It depends on the overall diameter of the wheel as well as the amount of stretch on the tire.

If you want to get technical think of it as a 90 degree line...bring that angle in 1 degree and you have 89. Imagine the suspension geometry as a pendulum and measure that amount across the sweep. Then divide it by 90 and you'll have your answer...it will be different in nearly every instance.
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Well, this is a little vague.  It depends on the overall diameter of the wheel as well as the amount of stretch on the tire.

If you want to get technical think of it as a 90 degree line...bring that angle in 1 degree and you have 89.  Imagine the suspension geometry as a pendulum and measure that amount across the sweep.  Then divide it by 90 and you'll have your answer...it will be different in nearly every instance.
DominikAugust 29, 2007
#84567
This was discussed on QoozyFoozy's thread not long ago. I posted the formulas that i used, but its basic trigonometry.

According to my calculations, on a Y33 with 19" rims, the lip of the rim moves about 5.5mm for each degree of camber.

Other cars may be different, depending on where the pivot point is for the camber
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This was discussed on QoozyFoozy's thread not long ago. I posted the formulas that i used, but its basic trigonometry.
 
According to my calculations, on a Y33 with 19" rims, the lip of the rim moves about 5.5mm for each degree of camber.
 
Other cars may be different, depending on where the pivot point is for the camber
na4nowAugust 31, 2007
#85109
It would depend on everything. The diameter of the wheel, the geometry of the suspension, ect... I know on alot of cars as you get lower, the camber increases progressivly.
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It would depend on everything. The diameter of the wheel, the geometry of the suspension, ect... I know on alot of cars as you get lower, the camber increases progressivly.
EliteAutoStyleAugust 31, 2007
#85140
well its on a 1st gen GS with a widebody running a 19x12 -34 on a 275/30/19 tire if that helps any
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well its on a 1st gen GS with a widebody running a 19x12 -34 on a 275/30/19 tire if that helps any
LexbubbaAugust 31, 2007
#85144
-20deg ftw!
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-20deg ftw!
jzz30ttSeptember 1, 2007
#85334
kamakazee;85140 wrote:well its on a 1st gen GS with a widebody running a 19x12 -34 on a 275/30/19 tire if that helps any


Your suspension will most resemble yakuzasoarer's old sc (i think he sold it) anyway IIRC he said that for every 1 degree of camber he gained about 3mm clearance. Then again i haven't done the math so it just a guess but maybe pm him for more info?
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[QUOTE=kamakazee;85140]well its on a 1st gen GS with a widebody running a 19x12 -34 on a 275/30/19 tire if that helps any[/QUOTE]

Your suspension will most resemble yakuzasoarer's old sc (i think he sold it) anyway IIRC he said that for every 1 degree of camber he gained about 3mm clearance. Then again i haven't done the math so it just a guess but maybe pm him for more info?
AME_VIPSeptember 1, 2007
#85365
On my SC, the top of the wheels went in 2.5 mm for every 1 deg of neg camber added.

2 deg neg camber = 5mm I confirmed this by going from -1.5 to -3.5 neg camber and gained 5mm clearance.

Like elpresidente said, it will vary slightly between different suspension setups.
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On my SC,  the top of the wheels went in 2.5 mm for every 1 deg of neg camber added.  
 
2 deg neg camber = 5mm    I confirmed this by going from -1.5 to -3.5 neg camber and gained 5mm clearance.
 
Like elpresidente said, it will vary slightly between different suspension setups.
jzz30ttSeptember 1, 2007
#85446
AME_VIP.;85365 wrote:On my SC, the top of the wheels went in 2.5 mm for every 1 deg of neg camber added.

2 deg neg camber = 5mm I confirmed this by going from -1.5 to -3.5 neg camber and gained 5mm clearance.

Like elpresidente said, it will vary slightly between different suspension setups.


Yea, sorry I meant you not yakuza... lol mah bad man.
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[QUOTE=AME_VIP.;85365]On my SC,  the top of the wheels went in 2.5 mm for every 1 deg of neg camber added.  
 
2 deg neg camber = 5mm    I confirmed this by going from -1.5 to -3.5 neg camber and gained 5mm clearance.
 
Like elpresidente said, it will vary slightly between different suspension setups.[/QUOTE]

Yea, sorry I meant you not yakuza... lol mah bad man.
AME_VIPSeptember 1, 2007
#85547
No worries.

I should also mention that this was with 19x9.5 with 225/35/19 and 19x11.5 with 275/30/19. Both gained 5mm from 2 deg more neg camber.
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No worries.
 
I should also mention that this was with 19x9.5 with 225/35/19 and 19x11.5 with 275/30/19.  Both gained 5mm from 2 deg more neg camber.