So I think that some front upper control arms are next on the list for my Z, but having a bit of a debate with myself so I wanted to see if anyone else wanted to weigh in.
We all know our options are VERY limited for this part, we basically have two options...
1. SPC Performance - I had these on my car before and HATED them. They wouldn't hold my camber settings, they were super hard to make adjustments on, and they were near impossible to get any accuracy out of when you did try and dial in your settings. It's just a terrible design, but the benefit is they did offer a big range of adjustment.
2. Kinetix Racing - Haven't heard much about these ones but from the looks of it, the design is MUCH MUCH better than the SPC and the price is right. It looks to be easy to adjust, even with the wheel on the car still and doesn't share the same flaws as the SPC. These would be a no brainer EXCEPT they have one major flaw and that is they only offer 1.5 degrees of adjustment in each direction over the stock arm. At my ride height, I am sitting at -0.9 degrees negative camber on the stock arms which means I will max out at -2.4 degrees which is decent, but I fear I will need to be more in the -3.0 range for optimal use.
So I really think both are a waste of money for what I want them for but which one is less of a waste of money? I think I am still leaning toward the Kinetix. I know that A.M. Performance plans on eventually offering their arms that they made for their GrandAm cars but I fear those won't be available for some time and when they are available they will be way out of my price range.
I never took the time to do proper tire temp monitoring/alignment specs on my 370Z the last time I had it built up for time attack so I am not sure what the proper ballpark range is for front negative camber but maybe Travis or someone can chime in and let me know if they are around the -3.0 degree mark. I know it will vary a little depending on the rest of the car/track/tires/etc. but if everyone else is ideally around 3.0 or more then 2.4 will be way off the mark.
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