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04-14-2015, 08:16 AM
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#1 |
 Drives: 2011 Base Sedan Join Date: Oct 2010
Location: Puerto Rico / Miami FL
Posts: 146
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Tips for more stability
Hello everyone!
Ever since I bought my 2011 yaris sedan 6 months ago I've been noticing that at highway speeds 65-70mph that the car gets a bit wobly due to strong crosswinds. Its nothing serious but it bother me a bit especially on long drives. What mod can I add to my sedan to reduce this condition? I was thinking about the rear sway bar but not sure if there is anything else I'm missing. Thanks!
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04-14-2015, 08:38 AM
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#2 |
Drives: 2009 Base Hatch 2 Dr Auto Join Date: Dec 2008
Location: nj
Posts: 4,790
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Find an old VW Beetle like maybe a 1969 model.
Take that out for a 75 mph romp in a crosswind that makes you nervous in your Yaris. After that, the Yaris will seem so much better you'll be happy!  Assuming the VW doesnt kill you! 
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Synthetic Oil: Its All In Your Head |
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04-14-2015, 09:07 AM
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#3 |
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Drives: 2008 Yaris 3 Door Manual Join Date: Mar 2015
Location: Rhode Island
Posts: 91
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There have been comments/threads stating that adding vortex generators to various parts of the car (may) assist with high speed stability.
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04-14-2015, 09:46 AM
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#4 |
 
Drives: 06 Polar White 5dr, 13 Soul 4u Join Date: Oct 2008
Location: Georgetown, Ontario, Canada
Posts: 5,740
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Rear sway bar yes. First and foremost.
Lower stiffer springs with better dampers. Different tires. Tread pattern has been proven to have an effect on stability. Vortex generators on this thing, questionable. Has primarily been done for cosmetics and reducing dirt deposits on rear window.
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04-14-2015, 12:19 PM
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#5 | |
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Drives: 3-door hatch Join Date: Oct 2010
Location: Los Angeles
Posts: 519
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Quote:
 The few people who have tried found some improvements in stability; although it is hard to prove/disprove but the documentation seemed legit... |
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04-14-2015, 12:58 PM
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#6 | |
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Drives: 2008 Yaris 3 Door Manual Join Date: Mar 2015
Location: Rhode Island
Posts: 91
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Quote:
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04-14-2015, 08:50 PM
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#7 |
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Super Moderator
Drives: 2014 White VITZ Join Date: May 2007
Location: Huntington Bch, CA
Posts: 4,938
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I experimented with the rear anti-sway bar and with different tread patterns... and I found that the tread pattern is the single most important mod to reduce or completely eliminate highway wander. With my last 2 sets of tyres, I have zero highway wander... with no anti-sway bar.
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04-16-2015, 03:11 PM
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#8 | |
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Drives: 2('14+'07)MT 3d ,wHandCrWndws! Join Date: May 2009
Location: S.MontgomeryCnty,TX(HoustonMSA) '07=BayouBlue=300,125miles=OrigOwnr '14=ClassicSilvr=29,059miles
Posts: 4,839
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Quote:
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