Rally Sway Bar setups - Toyota Yaris Forums

Bill@WORKS · 09-23-2009, 02:26 PM

Hey all you rally types. I'm looking for some input on Yaris sway bar setups for rally use (some tarmac some dirt). We're helping a customer with a build and I was wondering what experiences people have had with aftermarket bars. We normally work on Mitsubishi Evo's, Lancer's and VW's. Most of these cars respond well to removing the front bar and running a really small rear bar, lets the suspension run through the full range of motion and lets the car rotate very easily, but these are dedicated Rally cars. Our customer will be using it on the street as well.

We are looking at 19mm vs 23mm rear bars right now in addition to long travel coilovers.

Any thoughts?

-Bill@WORKS

http://www.worksmotorsports.com

advocate · 09-23-2009, 02:49 PM

I know the sway bars are very popular although I haven't gotten one installed just yet. They're supposed to really help with the car's understeer from FWD.

What I do know for sure is that you should tell your client to register when his car is finished and go to the California meets! We even have our own corner of the forums for local chatter and discussion.

Good luck!

CASTREX · 09-23-2009, 04:33 PM

It's been done.... not for rally though.

Check out this Loren's thread:
http://www.yarisworld.com/forums/showthread.php?t=20049

The Yaris is notorious for it understeery nature. That's why the rear sway bar is one of the first mod one every ones list when you are looking to go faster on this car.

According to Loren, if you have enough spring rate to control body excessive body roll, you can live w/o the front bar.

This car just loves an stiff rear end...

Please get you customer to get on the forum and post some info about his ride!! It would be awesome.
Not many rally modded Yaris around.

rob323 · 09-23-2009, 05:57 PM

General consensus over here for front wheel drive rally cars is:
For a fast driver on dirt with long travel rally shocks and an lsd, disconnect the front and go as big as you can on the rear.
For a slow driver on dirt, leave the front one connected and only go one step up in the rear (so it's not so taily under brakes).
My experience with a stock Echo on dirt was that the front sway bar limits the travel a little bit (and causes the inside tyre to spin) but the major travel limitation is the vertically orientated bush at the rear of the lower control arm.
I suspect the Yaris would be the same.
I hope to get my rally suspension fitted this weekend so my testing with decent suspension is soon to begin.

CASTREX · 09-23-2009, 06:17 PM

LSD...!! You didn't mentioned it in your post so I guess you already thought about it.
Kaaz makes a 1.5 LSD for the Yaris.

Loren · 09-23-2009, 09:01 PM

Bill, I think we have one guy here who rallycrosses, otherwise not a lot of Rally action.

I'd say whatever setup you can find for a FWD Golf (the earlier, lighter and lower powered ones in particular) should be a great place to start on the Yaris.

09-23-2009, 02:26 PM	#1
Bill@WORKS Drives: MGB Join Date: Sep 2009 Location: Bay Area Posts: 2	Rally Sway Bar setups Hey all you rally types. I'm looking for some input on Yaris sway bar setups for rally use (some tarmac some dirt). We're helping a customer with a build and I was wondering what experiences people have had with aftermarket bars. We normally work on Mitsubishi Evo's, Lancer's and VW's. Most of these cars respond well to removing the front bar and running a really small rear bar, lets the suspension run through the full range of motion and lets the car rotate very easily, but these are dedicated Rally cars. Our customer will be using it on the street as well. We are looking at 19mm vs 23mm rear bars right now in addition to long travel coilovers. Any thoughts? -Bill@WORKS http://www.worksmotorsports.com

09-23-2009, 09:01 PM	#6
Loren What? Drives: 2007 Yaris LB Join Date: Nov 2008 Location: Safety Harbor, FL Posts: 1,006	Bill, I think we have one guy here who rallycrosses, otherwise not a lot of Rally action. I'd say whatever setup you can find for a FWD Golf (the earlier, lighter and lower powered ones in particular) should be a great place to start on the Yaris. __________________ ----------------------- Loren@InvisibleSun.org -----------------------

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09-23-2009, 02:49 PM	#2
advocate Drives: car Join Date: Oct 2008 Location: location Posts: 1,033	I know the sway bars are very popular although I haven't gotten one installed just yet. They're supposed to really help with the car's understeer from FWD. What I do know for sure is that you should tell your client to register when his car is finished and go to the California meets! We even have our own corner of the forums for local chatter and discussion. Good luck!

09-23-2009, 04:33 PM	#3
CASTREX Who said Yaris was slow? View User's Garage Drives: Yaris T-Sport 2008 Join Date: Nov 2006 Location: Costa Rica Posts: 1,287	It's been done.... not for rally though. Check out this Loren's thread: http://www.yarisworld.com/forums/showthread.php?t=20049 The Yaris is notorious for it understeery nature. That's why the rear sway bar is one of the first mod one every ones list when you are looking to go faster on this car. According to Loren, if you have enough spring rate to control body excessive body roll, you can live w/o the front bar. This car just loves an stiff rear end... Please get you customer to get on the forum and post some info about his ride!! It would be awesome. Not many rally modded Yaris around.

09-23-2009, 05:57 PM	#4
rob323 Don't drive it, RALLY it! Drives: 1999 echo PRC rally car Join Date: Oct 2008 Location: Joyner, Brisbane Posts: 321	General consensus over here for front wheel drive rally cars is: For a fast driver on dirt with long travel rally shocks and an lsd, disconnect the front and go as big as you can on the rear. For a slow driver on dirt, leave the front one connected and only go one step up in the rear (so it's not so taily under brakes). My experience with a stock Echo on dirt was that the front sway bar limits the travel a little bit (and causes the inside tyre to spin) but the major travel limitation is the vertically orientated bush at the rear of the lower control arm. I suspect the Yaris would be the same. I hope to get my rally suspension fitted this weekend so my testing with decent suspension is soon to begin.

09-23-2009, 06:17 PM	#5
CASTREX Who said Yaris was slow? View User's Garage Drives: Yaris T-Sport 2008 Join Date: Nov 2006 Location: Costa Rica Posts: 1,287	LSD...!! You didn't mentioned it in your post so I guess you already thought about it. Kaaz makes a 1.5 LSD for the Yaris.