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09-02-2015, 01:07 PM | #1 |
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Z4MC alignment
Hey guys,
What are your thoughts on the alignment setup on my car for a mix of minor daily usage in the summer, street twisties, some lapping days, and some autocross? I'm currently finding that with the quite squared up back end that I have loads of grip in anything remotely straight but it's quite snappy through some turns. I'm taking it to a buddy's shop and thinking to have him keep the front where it is (pins removed), but dial the rears in to at least within the oem range (around -1.9). I was never totally satisfied when the last alignment shop set the rear to -1.0 when I took it to them after replacing my RTAB's and installing limiters. They also insist on keeping the car for over one full work day so I don't really care to have them working on it again. 18x8.5 et35 with 245/40-18 Michelin PSS 18x10 et25 with 275/35-18 Michelin PSS Front tire pressure was bumped to 36 for autocross and provided nice even wear and good scrub on the side without any obvious sidewall rolling. Rears do LOOK ok, and were run at around 32-33 psi cold for the last event, no obvious issues with it rolling onto the sidewalls or wearing inners/outers differently
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09-03-2015, 05:00 PM | #2 | |
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Quote:
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09-03-2015, 05:08 PM | #3 |
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I run similar settings to George's.
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09-03-2015, 05:27 PM | #4 |
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At my budget right now, I need to work with what I've got (so no major suspension changes or new tire/wheel purchases). The Z4 is still far and above a primarily street setup and usage, the e30 has always been my massively cambered track toy.
I think my front camber is maxed for what can be done with the stock setup and pins pulled. I definitely want to keep the rear at least within stock ranges, maybe a bit more. I'm booked for an alignment tomorrow. Your description seems pretty accurate to what I experienced at autocross. I'll bring the camber to as high a number as I can get with oem adjustments all around and maybe run stock range toe front and rear.
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1990 332i 5 speed (OBD2 S52 Swap)
2018 VW Golf R (6spd manual/copper orange metallic) 2008 KTM SuperDuke 990 2007 Z4M Coupe (#1026/1815) SOLD |
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09-03-2015, 09:13 PM | #5 |
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Run zero toe upfront for better turn in.
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09-04-2015, 05:15 AM | #6 |
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whats everyones opinion on rear toe? where do we want this to be?
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09-04-2015, 04:53 PM | #7 |
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I'm running 1/8th total rear toe (1/16 each)
You don't need much but you need a little to help keep the rear from stepping out too eagerly.
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