Thread: Ideal Rake?
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      01-04-2013, 01:36 AM   #36
tikamak
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Drives: 2006 Z4M Roadster TiAG/black
Join Date: Jun 2011
Location: Beirut

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I have found that raising the height in the rear will make the car squat a little too much on hard acceleration and induce understeer on high speeds.

I have prefered to keep the car rake stock then I used camber shim kit instead of camber plates in order to keep the scrub angle negative and closer to 0.

I lowered the car 9 mm front and 12 mm in the back:
1- To get closer to 50/50 (stock is 53/47)
2- I removed some weight in the rear more than the front
3- To gain the extra negative camber instead of using more shims and to keep an ideal scrub angle
4- Lower center of gravity.

I put some toe in front and rear about 1.2mm front and 1mm rear.

The cars handling is unbelievable, the grip is just too impressive, and i find myself struggling hard to break loose in second gear on a car that is pushing nearly 390hp with evolve.
Understeer is really up there on the limits of the car.

We don't have corner balancing in my country, only alignment, so I had to do the calculations by hand and based on OEM alignment figures as a reference i created the delta (delta = measurements of changes in variables).

I don't know if someone has an alignment similar to mine that can shine in.
Appreciate 0