iceracer
iceracer UberDork
12/3/13 9:28 a.m.

My '13 Fiesta has 1.5 degrees negative camber. I would like to reduce it to 0. In order to free it up. I seem to remember in the dim past that there were tapered shims for that. I think it was on K cars.

Bobzilla
Bobzilla PowerDork
12/3/13 9:28 a.m.

Yep. All of us torsion beam peeps have to use shims.

DeadSkunk
DeadSkunk SuperDork
12/3/13 9:50 a.m.

Shine Racing used to have tapered shims available for VWs.

Leafy
Leafy Reader
12/3/13 10:33 a.m.

IIRC summit will have the tapered shims you need. Does your pyrometer say you need less camber or are you masking another short coming by not running enough. Some toe out (or less toe in) will also cure your under understeer issue without reducing grip.

Jaxmadine
Jaxmadine HalfDork
12/3/13 11:30 a.m.

Carquest carries shims.

Knurled
Knurled PowerDork
12/3/13 11:49 a.m.
iceracer wrote: My '13 Fiesta has 1.5 degrees negative camber. I would like to reduce it to 0. In order to free it up.

Why? Those twist beams flex a lot and will lose camber pretty quickly under lateral loads. The camber is also there to help alleviate the inherent tail-happiness of the design.

sobe_death
sobe_death HalfDork
12/3/13 12:00 p.m.

I think you answered your own question with your answer and quoting his original statement. "to free it up"

Vigo
Vigo UberDork
12/3/13 12:18 p.m.

^exactly

Some toe out (or less toe in) will also cure your under understeer issue without reducing grip.

Reducing grip is the whole idea!

FSP_ZX2
FSP_ZX2 Dork
12/3/13 12:20 p.m.

Get a moar bigger rear sway bar.

mazdeuce
mazdeuce SuperDork
12/3/13 12:25 p.m.

Having owned the same basic car (Mazda2, the suspension is the same) the rear works pretty darn good for what it is. My understanding is that you can't shim the rear on this car because it messes with the distance between the wheel speed sensor and that makes things go bad. That's just what I've read though. Another option is to get the Mazda2 B-spec rear bar from Tri Point. You can adjust the preload on the bar and can kind of pull the rear together which adjusts the geometry too. Keep in mind that this makes the car tail happy enough that "it wants to kill me" as my friend said of his.
In testing the cars did run quite a lot slower on the straights when you put sticky tires on them due to the overall drag in the system, much of which is in the rear end. Not an easily solvable problem.

Bobzilla
Bobzilla PowerDork
12/3/13 12:51 p.m.
FSP_ZX2 wrote: Get a moar bigger rear sway bar.

This... and springs/shocks. Stiffen that bish up. It helped the SooperKia rotate.

Jim Pettengill
Jim Pettengill HalfDork
12/3/13 1:16 p.m.

Narrower rear tires.

iceracer
iceracer UberDork
12/3/13 5:16 p.m.

the Fiesta ST is running less camber. I am just trying to imitate

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