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Suspension & Braking Forum by BimmerWorld
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Old 08-21-2013, 11:39 AM   #1
ajai
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My Ride: 330ci***65104; 328i
please help check my new alignment spec

I am lowered.
Front camber -1.8 each side
Front toe zero

rear camber -2.0 each side
Rear toe in 0.1 each side

the car feel way more stable then when I got -2.4 camber f and r

is there anything else I can improve here?
my rear oversteer a bit on bigger curve under high speed.
But understeer a bit in small sharp corner.
will I be able to cut the oversteer by makin the rear coilover stiffer?
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Old 08-21-2013, 11:41 AM   #2
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i dont know about your handling assessment, but the alignment specs themselves are fine
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Old 08-21-2013, 02:04 PM   #3
ajai
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if I set the back camber lower. that should help turn in. but then with a more negative front camber, the car seems unstable on high speed
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Old 08-21-2013, 02:27 PM   #4
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Quote:
Originally Posted by ajai View Post
if I set the back camber lower. that should help turn in. but then with a more negative front camber, the car seems unstable on high speed
toe affects turn in, not really camber.

Further, i'm more than willing to bet your suspension is blown. everything in my sig will affect high speed stabilty -- specifically rtabs and most of stage 3.
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Old 08-22-2013, 02:23 AM   #5
ajai
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my coilover was just install for a few months. Bushings seems fin.
I am thinking will the oversteer comes from front have zero toe, rear have 0.2 total toe in.
front zero toe will make a bit more traction I feel, but less turn in response
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Old 08-22-2013, 10:47 AM   #6
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if you want turn in, toe out.

toe won't affect traction, really. not to any meaningful degree.

bushings "seeming" fine isn't good enough. also bushings aren't the only suspension component you have. there's 18 components in the rear suspension alone that can wear.
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Old 08-25-2013, 12:16 PM   #7
ajai
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I am thinking maybe my rtab??
alignment seems good frist day then ALWAYS after a few weeks it feel bad again
front I have new poly , rear didn't change for a year, but shop say seems fine..
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