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Ways to battle CV axles failures

Old 09-25-2011, 06:26 AM
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Ways to battle CV axles failures

Just trying to get a list together on ways we can lower the wear on cv axles when lowering the car. I've seen on B15u they have a load of options, but still no adjustable control arm. What needs to be changed so we can help re-align the cv axles.
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Old 09-25-2011, 12:07 PM
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Old 09-25-2011, 08:23 PM
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By the time you lower the car enough you have CV joint problems, you have lowered it enough you have pretty much zero suspension travel.
step 1 is to raise the car up enough so it rides and handles decent.
the other option is custom control arms and better coilovers, which nobody makes.
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Old 09-25-2011, 08:26 PM
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Raise the car up.



Wait, fck dat.

I've seen one guy on here have some kind of spacers for the motor mounts to raise the engine/trans up. This helps level out the axles a little bit.
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Old 09-25-2011, 08:46 PM
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in to see what comes of this discussion
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Old 09-26-2011, 07:53 AM
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Originally Posted by MoncefA33 View Post
Raise the car up.



Wait, fck dat.

I've seen one guy on here have some kind of spacers for the motor mounts to raise the engine/trans up. This helps level out the axles a little bit.
I'm sure there's room to move the motor mounts up an inch or so. The limitations would be the trans mount and the hood. Could put some washers on the back of the hood to raise it just a little. Now to fabricating some mount raisers...I wonder if anyone on here is good with CAD and can do it.
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Old 09-26-2011, 10:41 AM
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Originally Posted by nishfish871 View Post
I'm sure there's room to move the motor mounts up an inch or so. The limitations would be the trans mount and the hood. Could put some washers on the back of the hood to raise it just a little. Now to fabricating some mount raisers...I wonder if anyone on here is good with CAD and can do it.
working with CAD as I type this...
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Old 09-26-2011, 06:31 PM
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Originally Posted by nishfish871 View Post
I'm sure there's room to move the motor mounts up an inch or so. The limitations would be the trans mount and the hood. Could put some washers on the back of the hood to raise it just a little. Now to fabricating some mount raisers...I wonder if anyone on here is good with CAD and can do it.
Are we referring to mount raisers for the trans mount? Or all mounts? Ive got a few spare DEK mounts in the gay-rage I could screw with, and get some drawings made up in Solidworks. It might be a week or so, Ill be at Petit Lemans this week/weekend.
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Old 09-26-2011, 09:59 PM
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You would need to raise the engine and trans up to correct the angle of the axles in relation to the wheel hubs. But you would only raise the center of gravity while still having a very low roll center = even worse handling!

So you would need custom lower control arms to correct the roll center and properly designed coilovers that have much longer suspension travel.





For my car the engine/trans spacers were used to lower the front center of gravity for better handling at the possible expense of axle life. I only have about 0.75" of suspension drop so I would rather improve handling instead of going low. Alot of people have 1.25" ~ 1.5" drops for years so my setup should be ok long term.


Last edited by 98SEBlackMax; 09-26-2011 at 10:10 PM.
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Old 09-27-2011, 06:04 AM
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screw raising it up
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Old 09-27-2011, 06:50 AM
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nope
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Old 09-28-2011, 10:31 AM
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98SeBlackMax, any more pictures available?
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Old 09-28-2011, 01:05 PM
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Adding negative camber will help the outer CVs.

You could just raise the rear mount but then d/s and p/s mounting gets a little tricky as does the Y and exhaust routing.
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Old 09-29-2011, 08:08 AM
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Originally Posted by Shift_Max View Post
98SeBlackMax, any more pictures available?
Not as of right now.

The spacers and washers are about 0.5" thick, they sit in between the center crossmember and in between the transmisson mount/trans. The center cross member bolts are long enough to re-use but they had to get four longer bolts for the transmission mount.

The passenger side engine mount sits 0.5" lower, 2JR drilled the engine mount hole lower than stock.

Meximax did this on his setup to fit the 350Z intake manifold under the hood so it isn't nothing new. 2JR did this on their car as well, I think they went over 1" lower.
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Old 09-29-2011, 12:05 PM
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im going through axles every three months thank god for a lifetime warranty. Might actually raise the car up a bit.
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Old 09-29-2011, 12:08 PM
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^can lie i'm thinking the same thing, but i dotn daily drive mine anymore
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Old 09-29-2011, 02:52 PM
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I went through plenty of axles when I had the 5sp until I got the aftermarket axles (I forget the name of the vendor, Raxles???). I never broke those axles. I then did the 6sp swap, and never went through those either.

Dropping the engine further increases axle triangulation. I dropped by engine about 3/4", but never had a problem with after the 6sp swap, and I wash pushing a healthy amount of power.
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Old 09-30-2011, 03:52 PM
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My axles cry for mercy...
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Originally Posted by 98SEBlackMax View Post


Damn, who's car is that?! That guy is slammed!
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Old 10-01-2011, 04:41 AM
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Old 10-02-2011, 03:20 PM
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GET RAXLES!!!

Mine lasted about 4.5 years now (supercharged 3" pulley). and finally the boot started cracking because I left the car unused for a while with Power steering fluid leaking onto it. My clutch actually needed to be replaced before the boot, so I def. attest to their quality.

def. worth the initial investment. I will be getting a Boot kit from them if I can.

Also I lowered my cross member with two 1/8" washers at each bolt. this was for hood clearance with engine (whole dif. story). When I lowered the engine, I felt a difference in the cars handling characteristic.

I have vogtland springs up front which have a 1-1.25" drop I think. In addition I have shortened koni shocks which provide suspension travel. It is a great setup I have enjoyed for some time now. My car does not look lowered for the most part unless stading next to a stock car. then you notice the slight front rake.

Last edited by HomerMAC; 10-02-2011 at 03:25 PM.
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Old 10-10-2011, 09:55 AM
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Lowering the engine/trans is a bad idea for ground clearance and axle wear reasons.
Custom control arms and coilovers for a track Max have been done, just not offered for sale.
Raising the whole front subframe has been done to improve suspension geometry and handling.
With track oriented camber, it does help outer joint life.
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Old 10-20-2011, 11:33 AM
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Kinda the opposite of what the OP was talking about but I finally lowered my drivetrain using custom spacers. They are 20mm in thickness. Here is one shot of the front ones and the rear ones on the center-beam.


Last edited by Shift_Max; 10-20-2011 at 11:57 AM.
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Old 10-20-2011, 01:36 PM
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whats the purpose of that? ^
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Old 10-20-2011, 01:42 PM
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For clearance issues with the hood/motor.
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Old 10-21-2011, 02:06 AM
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ahhh i see i see hmm thats pretty cool
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Old 10-21-2011, 07:44 AM
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What does it do exactly ?
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Old 10-21-2011, 04:11 PM
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Originally Posted by [email protected] View Post
What does it do exactly ?
It ruins the suspension geometry and handling in order to clear the hood.
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Old 10-21-2011, 06:33 PM
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My question is, Why all of a sudden was or is the motor not clearing the hood? Hell if I lower my cross member, I wont make it over a speed bump.
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Old 10-21-2011, 07:23 PM
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Originally Posted by speedymax99 View Post
It ruins the suspension geometry and handling in order to clear the hood.


Lowering the engine/trans by itself lowers the front COG and shortens the roll couple. This actually helps improve handling but at the expense of axle life. Raising the suspension subframe woud help as that raises the roll center among other things.

Last edited by 98SEBlackMax; 10-21-2011 at 07:27 PM.
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Old 10-21-2011, 07:24 PM
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Originally Posted by MAXC View Post
My question is, Why all of a sudden was or is the motor not clearing the hood? Hell if I lower my cross member, I wont make it over a speed bump.
350Z intake manifold swap onto a VQ35 if I had to guess.
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Old 10-30-2011, 11:39 PM
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I would be scared for the oil pan @[email protected]
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Old 10-31-2011, 08:14 AM
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I'm on Eibachs now, and am considering getting BC coilovers in the spring. I want to make sure I'm understanding this correctly though; if I drop my engine/trans by 0.5", then I should raise my front suspension by the same or more, correct?
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Old 10-31-2011, 09:10 AM
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Do you guys think those subframe reinforcement collars will help at all?
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Old 11-01-2011, 06:56 AM
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Originally Posted by 95maxrider View Post
I'm on Eibachs now, and am considering getting BC coilovers in the spring. I want to make sure I'm understanding this correctly though; if I drop my engine/trans by 0.5", then I should raise my front suspension by the same or more, correct?
That is what I ended up doing. My spacers were 20mm thick so I raised the car up with the coilovers the same amount.
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Old 03-09-2012, 07:04 PM
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Originally Posted by wirelessdude04 View Post
im going through axles every three months thank god for a lifetime warranty. Might actually raise the car up a bit.
Going Thur the same thing did u lift the car up? Any better?
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Old 03-09-2012, 07:12 PM
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Originally Posted by meximax View Post
I went through plenty of axles when I had the 5sp until I got the aftermarket axles (I forget the name of the vendor, Raxles???). I never broke those axles. I then did the 6sp swap, and never went through those either.

Dropping the engine further increases axle triangulation. I dropped by engine about 3/4", but never had a problem with after the 6sp swap, and I wash pushing a healthy amount of power.
Hey were can I find those axles hit me up 305 877 6953
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Old 03-10-2012, 12:06 PM
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Why not rotate the drive train? Raise the different while lowering the front of the engine.
Two problems would be exhaust and shift linkeage.
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Old 03-10-2012, 12:37 PM
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Originally Posted by asand1 View Post
Why not rotate the drive train? Raise the different while lowering the front of the engine.
Two problems would be exhaust and shift linkeage.
Those are small issues compared to engine and trans oiling problems...
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