One last birthday present.... - Page 2

DinanX5 · #11 01-12-2006, 01:11 PM

Quote:

Originally Posted by hayaku

read through the camber options article.. its a bit long, but it will answer your questions.

WOW! Thanks Hayaku - that is a great write-up. I learned a bit about camber before getting my Dinan plates installed, but your article was still very informative.

For starters, I didn't know that you could still do the 'free adjustment' with the plates installed... do you know if that's the case with an '05 (no air suspension, of course) as well? If so, and I decide to do it, I guess I should wait to time it with a new alignment...
By the way, do you think the X5 would handle better with 295/40-20s all around than with 275/40-20s in front, and 315/35-20s in the rear? If so, any drawbacks?

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hayaku · #12 01-12-2006, 04:29 PM

Quote:

Originally Posted by GUINNESS

Wow, fantastic article and excellent tests considering what you had available. It makes me want to go back and drive the X5 again, then see about adding camber plates. It's not something I would bring up to my ex since she probably would have no desire of adding these the the X and I used to drive it a lot harder anyway... more like I drive the M3.

I guess swapping the strut hats like people used to do on the E36s isn't really an option for the X5? After reading what the plates did for the X5, I really cannot wait to either swap hats or buy camber plates for my M3 and hit the track and auto-x this coming season

Oh, and when are we gonna get to go for a ride or drive the 996 Cup Car huh? :p

haha.. trying to plan the world trip to showcase ketchep... i already know i have to stop by texas for a pboc race but don't know when...

as far as swapping strut hats, they are identical on the X5.. no bearings to rotate.. nothing.. all you got is the free camber trick which adds about -.3 per side...

hayaku · #13 01-12-2006, 04:35 PM

Quote:

Originally Posted by DinanX5

WOW! Thanks Hayaku - that is a great write-up. I learned a bit about camber before getting my Dinan plates installed, but your article was still very informative.

For starters, I didn't know that you could still do the 'free adjustment' with the plates installed... do you know if that's the case with an '05 (no air suspension, of course) as well? If so, and I decide to do it, I guess I should wait to time it with a new alignment...
By the way, do you think the X5 would handle better with 295/40-20s all around than with 275/40-20s in front, and 315/35-20s in the rear? If so, any drawbacks?

295's all around would depend on the rim width also... technically you are removing some understeer with the square setup.. i'm guessing because i don't know what the offsets are, but your front track should now be wider then the rear.

but i don't know how wide your rims are... which affects how your tires sit on the rims ( straight up and down, slanted out, slanted in). that affects how they perform too...

with bigger tires, you also add on more weight... general rule of thumb: every 10 lbs of unsprung weight = 1 whp regained...

also the cost of the bigger tires is more so with the -4 degrees of camber on the rear, you are wearing out the tire pretty quick as it is...

SiLvX5 · #14 01-13-2006, 02:55 AM

Questions.. Would it still fit a strut bar after you have the camber kit installed?

hayaku · #15 01-13-2006, 05:05 AM

Quote:

Originally Posted by SiLvX5

Questions.. Would it still fit a strut bar after you have the camber kit installed?

yes, the top of the strut tower is left alone for the strut brace... everything is underneath the tower... the studs stick out the exact same amount as the oem hat...

DinanX5 · #16 01-13-2006, 10:16 AM

Quote:

Originally Posted by hayaku

295's all around would depend on the rim width also... technically you are removing some understeer with the square setup.. i'm guessing because i don't know what the offsets are, but your front track should now be wider then the rear.

but i don't know how wide your rims are... which affects how your tires sit on the rims ( straight up and down, slanted out, slanted in). that affects how they perform too...

with bigger tires, you also add on more weight... general rule of thumb: every 10 lbs of unsprung weight = 1 whp regained...

also the cost of the bigger tires is more so with the -4 degrees of camber on the rear, you are wearing out the tire pretty quick as it is...

Thanks Hayaku,
I was looking at doing 10.5" style #87s all around (which I believe are an offset of ET 30, as opposed to the 9.5" #87s, which are ET 45)
Not sure about the weight... and also not sure if 10.5" wheels would be overkill for the front. (Too bad BMW doesn't make this wheel in a 10" width as well... ) And what is 'whp'?

X5Jay · #17 01-13-2006, 10:23 AM

whp = wheel horse power (as opposed to crank horse power).

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