Are there any arms that can get 4 degrees negative camber?
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From my search it seems the 350EVO can go to 3 degrees but do you guys know of any arms that alllow adjustment up to 4 degrees?
Thanks
Thanks
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The ride hieght of your car will also influence how much negative camber you can achieve with an A-Arm. The lower the car, the more negative camber.
Not sure why you need -4 degrees? You won't like the way the car brakes running that much camber.
Not sure why you need -4 degrees? You won't like the way the car brakes running that much camber.
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Having measured the caster (+9) and SAI (6) on my 2006 350Z I can't imagine needing that much front camber. This would be especially true if 275 or 285 width tires are used. Ultimately, the pyrometer will tell you how much camber is needed and maybe on the tracks you run -4 works.
And MoodDude is right, threshold braking would be less stable and less effective.
And MoodDude is right, threshold braking would be less stable and less effective.
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^+1
http://www.longacreracing.com/articl...at.asp?CATID=3
From the thread he posted asking how to improve braking I noticed he's on whiteline springs and Koni's. So he's at the following drop.
Whiteline 350Z linear springs (control)
Front: Part # 73219,
Spring rate 365 LBS Drop: .8"-1"
Rear: Part # 73220
Spring rate 445LBS Drop: 1"-1.2"
(sold as 2 front springs and 2 rear springs)
www.whiteline.com.au/store/
http://www.longacreracing.com/articl...at.asp?CATID=3
From the thread he posted asking how to improve braking I noticed he's on whiteline springs and Koni's. So he's at the following drop.
Whiteline 350Z linear springs (control)
Front: Part # 73219,
Spring rate 365 LBS Drop: .8"-1"
Rear: Part # 73220
Spring rate 445LBS Drop: 1"-1.2"
(sold as 2 front springs and 2 rear springs)
www.whiteline.com.au/store/
Last edited by Gsedan35; 04-04-2007 at 09:38 AM.
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The reason I'm enquiring about an arm that can get that much neg camber is adjustability options.
I don't want to spend money on arms, go to a track, measure temps and realise I need more camber. But if you guys are getting good results without going that far, then I'll just get the EVO arms (if they're available)
Thanks
I don't want to spend money on arms, go to a track, measure temps and realise I need more camber. But if you guys are getting good results without going that far, then I'll just get the EVO arms (if they're available)
Thanks
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I've measured temps at the track and see no reason to go over -3 degrees up front. Shoot, I just got finished in my garage adjusting mine, I could have measured the max for you. If I had to guess, it's around -3.7, but again that's more than you need. The Z has a very steep camber curve up front.
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Originally Posted by Kolia
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Originally Posted by Kolia
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Originally Posted by WA2GOOD
+1 SPL is the way to go.
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After using a few other A-Arms, there is no comparison to the 350EVO A-Arms, they are built for the track.
The others where all designed well enough, but more for a street car use.
There is a big difference for parts built/designed for race cars and those for street cars.
But try e-mailing 350EVO instead of calling.
The others where all designed well enough, but more for a street car use.
There is a big difference for parts built/designed for race cars and those for street cars.
But try e-mailing 350EVO instead of calling.
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I'm kinda surprised that SPL chrome plates their suspension arms. Chrome plating is a major cause of Hydrogen Embrittlement in high strength steels unless the plater is following the ASTM guidelines.
http://en.wikipedia.org/wiki/Hydrogen_embrittlement
http://www.nmfrc.org/crarchive/feb02a.cfm
I would want to see some kind of certification from the plater that post plating hydrogen relief has been performed per the ASTM standard. Or, maybe order the parts unplated.
BTW... the parts look good, I'm just concerned about the plating.
http://en.wikipedia.org/wiki/Hydrogen_embrittlement
http://www.nmfrc.org/crarchive/feb02a.cfm
I would want to see some kind of certification from the plater that post plating hydrogen relief has been performed per the ASTM standard. Or, maybe order the parts unplated.
BTW... the parts look good, I'm just concerned about the plating.
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Originally Posted by betamotorsports
I'm kinda surprised that SPL chrome plates their suspension arms. Chrome plating is a major cause of Hydrogen Embrittlement in high strength steels unless the plater is following the ASTM guidelines.
We have had many chrome plated arms in use for many years now, without any issues. Many components in this industry are chrome or nickel plated (the base plating for chrome is nickel), everything from engine components, linkages, rod ends to hardware/nuts. In our experience, we see alot of components fail from corrosion, but have not ever seen hydrogen embrittlement due to plating as a cause of failure. Of course embrittlement due to welding is common, but our arms are normalized after tig welding.
It appears that there are not many options for finishing if you exclude nickel/chrome plating and phosphating. Electroless nickel is a very unattractive finish. Powdercoating is an option but is not very durable and is too thick which affects many tolerances, such as threading, etc.
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We have had many chrome plated arms in use for many years now, without any issues. Many components in this industry are chrome or nickel plated (the base plating for chrome is nickel), everything from engine components, linkages, rod ends to hardware/nuts. In our experience, we see alot of components fail from corrosion, but have not ever seen hydrogen embrittlement due to plating as a cause of failure. Of course embrittlement due to welding is common, but our arms are normalized after tig welding.
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I use the Cusco on my own car....tons of adjustment, no issues and many track days under the belt so far
for the price, they can't be beat. They don't have all the fancy hardware the 350evo ones do, but they are readily available, incredibly affordable, and absolutely silent in their operation. They've been on my car now for a long time (about 2 years), with tons of mixed use (street and track)
I've found, with my wheels and tires, 2.5 is the sweet spot for my front camber, given my height, etc.
What your car needs/wants will be up to your particular setup, your track, your tires, your driving style
for the price, they can't be beat. They don't have all the fancy hardware the 350evo ones do, but they are readily available, incredibly affordable, and absolutely silent in their operation. They've been on my car now for a long time (about 2 years), with tons of mixed use (street and track)
I've found, with my wheels and tires, 2.5 is the sweet spot for my front camber, given my height, etc.
What your car needs/wants will be up to your particular setup, your track, your tires, your driving style
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