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-   -   Swirly rear end at 120+ mph (http://www.the370z.com/brakes-suspension/67297-swirly-rear-end-120-mph.html)

thekinn 02-23-2013 11:13 AM

Quote:

Originally Posted by RICAN (Post 2180242)
Ok so my rear end gets real swirly when ever I got over 120 and start applying brakes

If the road surface is uneven (crowning) or you are turning even the slightest bit - the reason is that there is weight transfer from the rear to the front tires during braking. The rear end is lightening up when you begin to apply the brakes... so naturally, it will get light and 'swirly'..

Other factors might hurt or help the situation.. alignment, tires, tire wear, suspension, brake pads..etc.. but definitely keep your weight transfer in mind.

RICAN 02-23-2013 05:20 PM

Ok so I install the camber kit that was in the back of the car when I got it!!...i just drop it off to get a alligment on all the tires ...il give more update later when I get the car back !!..

IMWEZL 02-23-2013 06:53 PM

Oye Loco Stay safe...the roads around Hood aren't the best. Also, don't overlook anything small, PMCS your ride, check the brakes, pads, and tire wear.

RICAN 02-23-2013 07:06 PM

Well I just got the car back!!..and it fix it was alignment!...

RICAN 02-23-2013 07:11 PM

Quote:

Originally Posted by IMWEZL (Post 2181026)
Oye Loco Stay safe...the roads around Hood aren't the best. Also, don't overlook anything small, PMCS your ride, check the brakes, pads, and tire wear.

Lol...are you from around here?...I'm a mechanic but I never owe a rear wheel drive car !!i had a caliber srt4 with 390 whp!...it was fwd and I had no traction at all...I couldn't even do a 65 mph pull with out loosing traction!!....that's why I decided to get the Z...I'm getting it right before I leave to Afghanistan!!..and when I get back I'm boosting it

Japanjay 02-23-2013 09:19 PM

Get it when you get back so it isnt in storage for so long. Z's are not going to disappear any time soon.

ImportConvert 02-24-2013 09:42 AM

These cars do not have the best weight distribution. I have weighed mine, and static is about 54/46. With a driver and fuel, that shifts to 55/45. Apply the brakes hard, and yeah, it's going to feel floaty in the back.

SS_Firehawk 02-24-2013 10:04 AM

Weight distro isn't bad on the car. Driver sits at the axis point of the vehicle and the gas tank is right in the middle of the car, so regardless if it's full or empty, weight distribution doesn't change.

Huck 02-24-2013 10:07 AM

I know what the problem is. You're using way too many exclamation points. You sound like you're freaking out, and it's freaking your Z out. It's basically like spooking a horse, she's really nervous right now and is considering throwing you. You need to relax, talk calmly to her, and give her a good wash. Then try again.


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IMWEZL 02-24-2013 06:45 PM

Quote:

Originally Posted by RICAN (Post 2181047)
Lol...are you from around here?...I'm a mechanic but I never owe a rear wheel drive car !!i had a caliber srt4 with 390 whp!...it was fwd and I had no traction at all...I couldn't even do a 65 mph pull with out loosing traction!!....that's why I decided to get the Z...I'm getting it right before I leave to Afghanistan!!..and when I get back I'm boosting it

My parents live in the area. Hood my be my next duty station. I had a 400+ whp Neon SRT4 and the back end would get way more squirley than the Z. There's hardly any weight on the back of those. Never had an issue though aside from the torque steer.

cossie1600 02-24-2013 07:08 PM

Car has freaking ABS and EBD, it shouldn't get sideways unless you f things up

spearfish25 03-08-2013 10:05 PM

The only time I've noticed this on my car is if I've unsettled it prior to heavy breaking or if I'm not breaking in a straight line at the start of braking.

djtodd 03-08-2013 11:25 PM

Quote:

Originally Posted by spearfish25 (Post 2204128)
The only time I've noticed this on my car is if I've unsettled it prior to heavy breaking or if I'm not breaking in a straight line at the start of braking.

But thats never a problem for me in Need for Speed?! :confused:

:stirthepot:

RICAN 03-09-2013 02:01 AM

Lol...I forgot to update you guys ...sorry for that!.....I already fix the problem...after installing the camber kits all around .. I took it to get a alignment and since the I haven't got any problem.thank you for all your inputs

gSwift 03-11-2013 12:05 AM

Quote:

Originally Posted by RICAN (Post 2204287)
Lol...I forgot to update you guys ...sorry for that!.....I already fix the problem...after installing the camber kits all around .. I took it to get a alignment and since the I haven't got any problem.thank you for all your inputs

Glad you got it fixed, but you should still consider a few brake upgrades. Pads, SS lines and a good quality brake fluid at the very minimum. You'll feel quite a difference.


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