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not stable?

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Old Dec 27, 2008 | 11:05 PM
  #1  
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not stable?

Hey guys i have a question.
My car doesn't seem to handle so good
it doesnt feel stable on a bumpy or not on a straight road
it pulls really hard to the left or to the right and it pissing me off!
anyone know what it could be?
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Old Dec 27, 2008 | 11:13 PM
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Originally Posted by shumby
bad driving?
seriusly no bullsh1t answers keep the **** to ur self!
eather asnwer it if u know what the problem is or dont say anything at all!
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Old Dec 27, 2008 | 11:52 PM
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I have noticed that my car does the same thing on roads that have noticeable tire ruts pressed into the asphalt. If the road is completely flat (like expressways), then it rides perfectly fine. But if the roads are older and the tiretracks are pressed into the asphalt, the car has a definite tendency to ride in those tracks whether you want to or not.

All cars do it, but my G seems to do it worse than any other car I have owned.
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Old Dec 28, 2008 | 12:51 AM
  #4  
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Your car probably got messed up when the wheels were stolen, take it to the dealer.
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Old Dec 28, 2008 | 11:44 AM
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Have your alignment checked. Ask the dealer to get the specs closest to the "nominal" values as possible. If they can't get the exact "nominal" values, ask them to get as close as possible, while being on the "minimum" side of "nominal".

What is sometimes referred to as "wander" is, many times, caused by a little too much toe out. ("Tramlining" or "trammeling" is the tendency to follow ruts in a road surface.) Many autocrossers, time trialers and magazine reviewers complained the original FM chassis specs resulted in a slight turn-in hesitancy. Nissan cured this by reducing the toe-in.

When the cars are shipped to the U.S., sometimes the shipper will tie down the suspension tighter than what Nissan specifies. This can result in the car being delivered with a little toe-out, causing the instability you complain of. It sometimes causes the car to dart around on certain road surfaces.

Many times a good alignment can cure this. If your dealer is not a good one, the dealer may only get the car within specs, meaning all alignment readings are within the minimum to maximum ranges, and send you on your way. If your dealer tells you they can not get as close to "nominal" as you want with all differences being toward "minimum" (like mine), then find a good alignment shop who will take the time to do this for you.

Last edited by notalk; Dec 29, 2008 at 01:13 PM.
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Old Dec 28, 2008 | 02:55 PM
  #6  
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From: san francisco, ca
^+1!!!
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Old Dec 28, 2008 | 03:00 PM
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it's just the roads where you live are plain crappy especially on the Long Island Expressway every car moves into the grooves.
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Old Dec 28, 2008 | 03:48 PM
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I'd like to add to notalks alignment post. As he said, some shops or service departments will just do the minimum to get things in spec. A real good shop will dial in the specs to exactly what you want them (if possible). This allows you to really dial in your setup. For an example, I lowered another vehicle I have and when I went to get the alignment done, I had them add 0.2 degrees of tow out* to the right compaired to the left which for this particular vehicle made it track dead nuts straight. I was told to do this by many people that experimented before me and it worked like a champ.

* - I actually don't remember the exact spec or value.
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Old Dec 29, 2008 | 12:53 AM
  #9  
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Originally Posted by notalk
Have your alignment checked. Ask the dealer to get the specs closest to the "nominal" values as possible. If they can't get the exact "nominal" values, ask them to get as close as possible, while being on the "minimum" side of "nominal".



What is sometimes referred to as "wander" is, many times, caused by a little too much toe out. ("Trammeling" is the tendency to follow ruts in a road surface.) Many autocrossers, time trialers and magazine reviewers complained the original FM chassis specs resulting in a slight turn-in hesitancy. Nissan cured this by reducing the toe-in.



When the cars are shipped to the U.S., sometimes the shipper will tie down the suspension tighter than what Nissan specifies. This can result in the car being delivered with a little toe-out, causing the instability you complain of. It sometimes causes the car to dart around on certain road surfaces.



Many times a good alignment can cure this. If your dealer is not a good one, the dealer may only get the car within specs, meaning all alignment readings are within the minimum to maximum ranges, and send you on your way. If your dealer tells you they can not get as close to "nominal" as you want with all differences being toward "minimum" (like mine), then find a good alignment shop who will take the time to do this for you.

Originally Posted by Ivoidwarranties
I'd like to add to notalks alignment post. As he said, some shops or service departments will just do the minimum to get things in spec. A real good shop will dial in the specs to exactly what you want them (if possible). This allows you to really dial in your setup. For an example, I lowered another vehicle I have and when I went to get the alignment done, I had them add 0.2 degrees of tow out* to the right compaired to the left which for this particular vehicle made it track dead nuts straight. I was told to do this by many people that experimented before me and it worked like a champ.

* - I actually don't remember the exact spec or value.
thanx for ur helpful answers guys i really appreciate it!
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Old Dec 29, 2008 | 01:08 AM
  #10  
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ok..potholes are not that bad, i'm a pro pothole dodger...hahahahahah


the highway groves will get you though
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Old Dec 29, 2008 | 01:52 PM
  #11  
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the highways in the NYC area are really bad w/ the grooves you can see how crooked and indented they are. and I won't get into the pothole situations.
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Old Dec 29, 2008 | 01:56 PM
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Is this your first car with neg camber in the rear? That tends to make the car drift from side to side on highways with a groove in it, especially at higher speeds.
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Old Dec 29, 2008 | 05:48 PM
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+1 for an alignment.
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Old Jan 3, 2009 | 11:01 PM
  #14  
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Originally Posted by Kidcane
Is this your first car with neg camber in the rear? That tends to make the car drift from side to side on highways with a groove in it, especially at higher speeds.
nope my first car was a g35 coupe and it was fine!
ill go to the dealer ill get it checked out!
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Old Jan 7, 2009 | 12:39 AM
  #15  
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You think this car is bad. My RX8 will actively seek out any groove in the road, and then continue to follow it, against my better judgement. I feel like Tom Cruise in Minority Reports. Put on cruise control and I practically have an AutoPilot.

PS. Yes, i have an RX8, but I'm also a proud new owner of a G37
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