Nissan 370Z Forum

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-   -   Mixed use alignment? (Attn:Hotrodz, Rusty) (http://www.the370z.com/brakes-suspension/139283-mixed-use-alignment-attn-hotrodz-rusty.html)

Jhill 12-26-2023 02:07 PM

Quote:

Originally Posted by Tractionless (Post 4047761)
The more rear camber you have the less tire meaningfully contacting the road for straight line acceleration.

As soon as you get in the car, your weight adds more rear camber, then plant your foot to the floor and the rearward weight distribution adds even more. Pretty soon you only have have the first 4" of the inside of the tire really biting the pavement. *Facetiously speaking about the 4" measurement but you get the idea.

Good points but also have to take into consideration you’re jumping spring rates quiet a bit and also when bringing camber back into spec you’re shortening the lower arm (in the case of the rear) so now the upper and lower arms are closer in length to each other so you’re also changing the curve. Same happens for the front but instead you’re lengthening the upper arm. So all these things combined is typically why you run higher static angles (at least in other platforms) as there’s less geometry changes (especially when adding stiffer sways) so now the tires and tire roll have a great effect.

Spooler 12-26-2023 07:39 PM

Quote:

Originally Posted by Rusty (Post 4047765)
Yeah, the Z has a steep camber curve designed into the rear suspension. The more it squats, the more camber it gets.

Unless you modify it and change the pickup points on the rear subframe. It works very well too.

Rusty 12-26-2023 09:04 PM

Quote:

Originally Posted by Spooler (Post 4047864)
Unless you modify it and change the pickup points on the rear subframe. It works very well too.

How many here are willing to do that?

Spooler 12-26-2023 09:08 PM

Quote:

Originally Posted by Rusty (Post 4047866)
How many here are willing to do that?

Well, it may break some rules for classes some folks are in. All good though.

Spooler 12-26-2023 09:56 PM

IF you pull the rear subframe yourself and send it in it's not that bad of a price point. Or you can have them buy a subframe and modify that one.

Jhill 01-03-2024 04:53 PM

Ok so got the project done over the weekend and picked it up from alignment today.

Ended up doing

Front:
Camber: -1.8
Toe: was either 1/32 or 1/16 I have to double check the sheet
Caster: 7.6

Rear:
Camber: -1.5
Toe: 1/16

Only got a short drive home but tracks straight and feels good so far. I’ll do a longer drive this weekend or Monday and get a better feel for it. Had them check corner balance and it was really good, only about a 4lbs difference left to right in front with my body weight in the car. Can’t wait for a track day now.

runwhatyabrng 05-01-2024 07:23 AM

just picked up the car from alignment shop last night (added SPL FUCA, endlink and front Hotchkis) no problem in achieving following: (stock height)

Front
Camber -2, Caster +6, Toe in 1/16"
Rear
Camber -1.6, Toe in 1/16"

Now just have to tighten up end links, felt small clunk when I drove it. Alignment shop mentioned it too, Guess I did not torque them down enough.


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