Hi people, I am been driving my Smart Pure (original no mod) for about 5 weeks but yesterday was the firs time that I feel scare driving it on highway crosswind. I not sure how strong the crosswind was, but I drove this highway before at the same normal (65 MPH) and do not felt this way. The Smart start feeling like have no dead center steering wheel position. The small distance between front to rear wheels need a very careful crosswind correction when driving, but the main problem yesterday was the no dead center feeling on my hands. It was a bad time not for the cross wind itself but the no dead center feedback. I guess the car was floating or loosing down force into the wind and this cause the problem or the hot weather. Yesterday was a hot day here in Puerto Rico and this does not help neither. Fortunately I have no problem driving back at night the same highway to home. At night the Smart felt very well driving the same speed and more... ;).

After this, I want to start thinking more serious about lowering the center of gravity and use and aftermarket body kit that help with this. The main problem is that this info is not the strong selling point of body kits dealers and you usually have no idea when buying until you have it installed. OUCH :( . Any suggestion is welcome.

PS No alcohol on my blood... not a drinking driver.

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Comment by Emmanuel on July 2, 2010 at 1:04pm
From smart website the specs for the brabus wheels are BRABUS “Monoblock VII” alloy wheels, front tires: 175/55 R 15; rear tires: 215/35 R 17

So 15 in front 17 in the back
Comment by Milton A Riutort on July 2, 2010 at 12:40pm
Yes Emmanuel, this also goes in the same direction of your suggestion. Wider on front but not sure the tire size, need to check this. I know the rear are 17 in. in size. This turn into good investgation.
Comment by Emmanuel on July 2, 2010 at 11:05am
Don't forget the Brabus as also wider tires than the regular smart
Comment by Milton A Riutort on July 2, 2010 at 10:36am
Hi stu:
Yes, going a little slow always help and is the less expensive way to attack the problem. But now you present me a good point about suspension on Smart. Modify it may help on getting a more stable on speed driving experience. Good to know, finally.
Comment by stu gomer on July 1, 2010 at 12:01pm
I have had 4 smarts and now have a brabus. The 2008's i have had had that problem; the 2009 didnt have that problems and the brabus doesnt have it. I basically dont go over 60 mph as i find no need to anywhers and have driven the cars cross country 2 times. The brabus suspension kit and the 2009 model year make a great differnce but brabus is very very expensive - just slow down a bit - it works for me. stu
Comment by Milton A Riutort on June 27, 2010 at 9:13pm
Thanks to all for the info. I like the idea of have all the same tire size on four corner... Emmanuel, even having different Rial wheel size in front and rear, you have same tire size what help you with the cross-wind problem, good. But what surprise me is to use the same rear wheel at front. This may be a very simple and inexpensive solution. I need to think this well and try any of the solutions offered. Rial wheel look good, but not front ones in stock at Tire-Rack :(.

I really appreciate all the suggestions, thanks. Still no lowering the suspension center of pivot comment... I think that anyone with all of those suspension spring kit installed may also comment.
Comment by John V. on June 27, 2010 at 3:05pm
Try going with a "square 4" tire/wheel configuration. Most popular is using 175-55R-15's all around. Not only can you rotate tires for better tire economy, but you will also notice a more stable driving car, especially in Winter. If you live where you need snow tires, I strongly recommend getting a set of 6" wide wheels (DeCorsa or Rial is a very good bargain ) and mount Blizzaks on them for Winter.
Comment by Emmanuel on June 14, 2010 at 10:34am
Comment by Emmanuel on June 14, 2010 at 10:34am
I bought Rial's Leman from Tire Rack 15" they have the correct offset for Front and Back, and I mounted 4 195/55 bf goodrich tires


Don't bother with a body kit, with the shape of the car, you will still have the sail effect. Wider tires in the front is the way to go.

You can also just buy two back wheels and mount them in front. there are a lot of people doing that as well.

Comment by Milton A Riutort on June 14, 2010 at 8:31am
Robert, after reading your comment I guess we have no other way that live with this or increase the down force, so modifying the suspension and adding a body kit may help. Fortunately I never loose the traffic lane. But the feedback from the Smart was very different. I appreciate your comment.

Emmanuel: do you can tell me your wheel size and off set? If not sure, please which after-market wheel model are you using?

I guess that you are not going to receive my post to answer me back...

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