5 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHCamber plates or Control arms?
Reported or suspected cause
insufficient neg camber
Reported cause
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Read evidence and context
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Reported cause · Original poster
My assumption is that this non-symmetric tire wear is caused by insufficient neg camber.
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Suggestion
Really expensive option, but with other benefits: JIC Cross suspension package with the monoball front shocks, $2800 to $3200, but a great package, gives you the ability to corner balance and adjust ride height.
Leading evidence: 'insufficient neg camber' (1 discussions report identifying this cause; no attributable repair resolution). Across 1 matching discussions, the most frequently mentioned possible cause is 'insufficient neg camber' (1 discussions; 1 report identifying it and 0 suggest it). The most frequently discussed action is 'Adjust ride height' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Suggestion
Really expensive option, but with other benefits: JIC Cross suspension package with the monoball front shocks, $2800 to $3200, but a great package, gives you the ability to corner balance and adjust ride height.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
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Suggestion
You could also likely use the factory GT3 front monoball mounts but I'm uncertain if they work with the factory diameter spring for a standard 996.
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Suggestion · Original poster
Even if I don't end up using all of -2deg, at least that will allow me to experiement that far in the neg camber range.
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Adjust ride height
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Unsuccessful attempts
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Suggestion
Really expensive option, but with other benefits: JIC Cross suspension package with the monoball front shocks, $2800 to $3200, but a great package, gives you the ability to corner balance and adjust ride height.
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5 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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I need more neg camber in my ROW M030 '99. It's a 30% DE car and the front is maxed out at -1deg. My tires are wearing very badly on the outside, and not much on the inside. My assumption is that this non-symmetric tire wear is caused by insufficient neg camber.
And before anyone asks, my air pressure isn't a contributor to this. At least I don't think that it is. I arrived at my current 29F, 34R after a lot of monitoring of sidewall abrasion. Tires are Yoko AD07.
So if I need more neg camber, what's the smartest way to get it? What's the least cost way to get it? My objective is to be able to get 2deg of neg front camber. Even if I don't end up using all of -2deg, at least that will allow me to experiement that far in the neg camber range.
I'm hesitant to lower the car any more. That would just create more problems with driveways and trailers.
Cheapest: Slot your strut towers further than they already are slotted. The limiting factor here is the design of the factory strut hats. You'll likely get an extra .5 degrees of negative camber through this method
Middle: Camber plates. Most of the plates on the market specific for 996's will give you an extra degree (1) of negative camber but in my opinion are spendy for a non-adjustable plate at $500+. You could also likely use the factory GT3 front monoball mounts but I'm uncertain if they work with the factory diameter spring for a standard 996. Search "Rotate" on the GT3 forum to see how to get additional camber with the stock GT3 mount.
Expensive: Purchase the GT3 2 piece lower control arms and the associatd shims for the control arms. The more shims you increase the more negative camber you can obtain.
Andy
p.s. SEARCH
Really expensive option, but with other benefits: JIC Cross suspension package with the monoball front shocks, $2800 to $3200, but a great package, gives you the ability to corner balance and adjust ride height.
