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-   -   Alignment Problems (http://www.the370z.com/wheels-tires/40672-alignment-problems.html)

eastsyder 08-06-2011 06:11 PM

Alignment Problems
 
1 Attachment(s)
Hey guys, i need some advise on my alignment issue. my 09 with 19'' wheels keep pulling to the right. If i'm going down the road and let go of the wheel after about 2 seconds it starts drifting to the right. it did this a little until i got new tires a few weeks ago and it's more noticeable now.

I went to dealership and got the alignment done twice. they said the alignment is fine and to have the tire place swap the front tires left to right. here's the numbers on the alignment. i don't believe its a tire issue since it was doing it with my old tires.

Attachment 32641

Baer383 08-06-2011 06:14 PM

When I Do my alignment I always add .5 degree more caster on the right to avoid what you are going thru.

Everything else looks OK.

Remember that just cause your car is in spec doesn't mean it has a good alignment.

ScGRaceR 08-06-2011 06:16 PM

can they swap the front tires thought they had outside inside markers? i could be wrong

but 2 seconds... its a rwd sports car with sporty suspension i find the car allover the road most of the time wen i take my hands off any bump or ridge in the road will change your direction preeeety quickly....

have you hit anything my friend had a bent knuckle on his vw for a few months before he realized why his wear was wack

Baer383 08-06-2011 06:20 PM

Quote:

Originally Posted by ScGRaceR (Post 1248736)
but 2 seconds... its a rwd sports car with sporty suspension i find the car allover the road most of the time wen i take my hands off any bump or ridge in the road will change your direction preeeety quickly....

I can drive my car down the highway and let go of the wheel for almost a half mile before mine drifts,he needs a little more caster on the right to compensate for road crown.

eastsyder 08-07-2011 04:00 PM

why is the dealership telling me the 370 doesn't have a castor adjustment?? are they just bullshittin me?

Red__Zed 08-07-2011 04:06 PM

Quote:

Originally Posted by eastsyder (Post 1249588)
why is the dealership telling me the 370 doesn't have a castor adjustment?? are they just bullshittin me?

no stock adjustment for caster.

Baer383 08-07-2011 04:15 PM

Quote:

Originally Posted by Red__Zed (Post 1249593)
no stock adjustment for caster.

:iagree:or camber for that matter.

Red__Zed 08-07-2011 04:16 PM

Quote:

Originally Posted by Baer383 (Post 1249596)
:iagree:or camber for that matter.

it does for rear camber. just not front.

Baer383 08-07-2011 04:30 PM

Quote:

Originally Posted by Red__Zed (Post 1249597)
it does for rear camber. just not front.

Thats what the OP was talking about the front right?

eastsyder 08-07-2011 04:45 PM

does anyone have a suggestion for the pull i have or do i have to just live with it? should i even try swapping the front 2 tires (yoke advan) which are new in the unlikely chance it is a tire pull?

Thanks for the suggestions

Baer383 08-07-2011 04:51 PM

Quote:

Originally Posted by Baer383 (Post 1248745)
he needs a little more caster on the right to compensate for road crown.

:iagree:

Red__Zed 08-07-2011 05:34 PM

Quote:

Originally Posted by Baer383 (Post 1249609)
Thats what the OP was talking about the front right?

he's asking why his car is tracking.

I don't think the issue is road crown. I don't think the roads in AZ are crowned like the ones in GA, which has some of the most intense crowning you will find. If that was the problem, he'd probably be used to it.
OP, any accidents with the car? Even minor ones?

Baer383 08-07-2011 05:51 PM

Quote:

Originally Posted by Red__Zed (Post 1249655)
he's asking why his car is tracking.

I don't think the issue is road crown. I don't think the roads in AZ are crowned like the ones in GA, which has some of the most intense crowning you will find. If that was the problem, he'd probably be used to it.
OP, any accidents with the car? Even minor ones?

All roads have a crown for water run off I use to live in N.J. and I did the alignments the same way I do them here,and if you look at his alignment sheet his camber is within .1 of each other but the caster is also only .1 between left & right he really needs .4 to .6 more on the right,he also may have some other problems but judging by what he has told us this is the only reasonable answer everything else is just a shot in the dark.:tiphat:

Red__Zed 08-07-2011 06:06 PM

Quote:

Originally Posted by Baer383 (Post 1249609)
Thats what the OP was talking about the front right?

Quote:

Originally Posted by Baer383 (Post 1249668)
All roads have a crown for water run off I use to live in N.J. and I did the alignments the same way I do them here,and if you look at his alignment sheet his camber is within .1 of each other but the caster is also only .1 between left & right he really needs .4 to .6 more on the right,he also may have some other problems but judging by what he has told us this is the only reasonable answer everything else is just a shot in the dark.:tiphat:

It is different state-by-state though.

Baer383 08-07-2011 06:11 PM

Quote:

Originally Posted by Red__Zed (Post 1249678)
It is different state-by-state though.

But last time I checked all states got rain,hence "road crown"

Red__Zed 08-07-2011 06:22 PM

Quote:

Originally Posted by Baer383 (Post 1249686)
But last time I checked all states got rain,hence "road crown"

"hence 'road crown"'....wat?


AZ has about half the amount of crown that GA has. Your advice of half a degree camber/caster will cause his car to track to the left...

Baer383 08-07-2011 06:31 PM

Quote:

Originally Posted by Red__Zed (Post 1249694)
"hence 'road crown"'....wat?


AZ has about half the amount of crown that GA has. Your advice of half a degree camber/caster will cause his car to track to the left...

My working are cars for 25 years begs to differ with you.:tiphat:

Red__Zed 08-07-2011 06:32 PM

Quote:

Originally Posted by Baer383 (Post 1249697)
My working are cars for 25 years begs to differ with you.:tiphat:

wat?

Baer383 08-07-2011 06:35 PM

Quote:

Originally Posted by Red__Zed (Post 1249700)
wat?

If he adds .5 caster to the right side this problem will go away,and his car won't track left.

Red__Zed 08-07-2011 06:43 PM

Quote:

Originally Posted by Baer383 (Post 1249697)
My working are cars for 25 years begs to differ with you.:tiphat:

Quote:

Originally Posted by Baer383 (Post 1249705)
If he adds .5 caster to the right side this problem will go away,and his car won't track left.

The "wat?" is in response to your sentence. WTF are you trying to say?

Again, .5 degrees is too much of an adjustment to make. Your 25 years of experience make much of your experience outdated. These days, most roads are divided with the crown between lanes going the same direction, meaning the left lane will be tilted down. Making this caster adjustment will cause the car to track left heavily.

Also, if you bias the caster, it will only work if the crown happens to match the bias, otherwise it will still pull one way or the other. If he's driving in AZ, .5 is TOO MUCH. It's not GA or NJ. Having spent a lot of time in both states, they run 3%+ of crown, which makes half a degree fine. In AZ, they run maybe 2%. .5* is way too much.

Finally, anyone that actually expects their car to perform properly on a course would be an idiot to set different caster on each side.

Baer383 08-07-2011 06:52 PM

Judging from the limited info the op has given and looking at his sheet there is only 2 suggestions 1 is .5 more caster on the right or the op has not disclosed all pertinent info,my response is based on what he wrote I'm not speculating outside of what he wrote.

if the op has a problem it is his responsibly to disclose all he knows(maybe he has)but going by what he wrote I stand behind what I wrote if he chimes in with different info then maybe I will change my tune as of now I'm still singing the same song.:hello:


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