Originally Posted by Cobb
Sounds like we are on 2 different pages. Can you give more examples of what you are talking about? My only compliant is that its not too stable above 80 mph. Its not the insights fault, my scion xa was like that too. It would drift 2 ft left or right for no reason at those speeds and I just assumed despite the springs, sway bars, etc, etc, etc it just air getting compressed up under the front of the car.
Maybe you can find a 11 or 12 insight that was wrecked at the local pick n pull and grab those parts? Maybe some of us can get lucky and buy one from an insurance co for 3 grand and start our own pnp selling parts online?
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The car tracks very straight at high speeds (except if there is high lateral wind). The stock car before the mods we made had this issue. What I am talking about is generally described by reviewers of the I2 as a "choppy" ride. This is noticeable at night driving at say 30 mph where you have a slightly rough road. You will see the headlight beam patters move up and down very quickly. The car has a relatively high fundamental frequency, which is typical of a sports car or many lightweight cars.
I am quite happy with the ride in general, only trying to improve it. I am not sure the 2012 with its revised suspension, would be better than my modified 2010. One of the reasons the car tracks so straight is the addition of the Cusco front components. I was surprised how much the strut tower brace made to the handling of the car. It really stiffened up the chassis (adding some understeer). The rear PT sway bar (which you thankfully recommended) made the steering fairly car neutral. The Cusco front lower type 2 arm bar really stabilized the car over big bumps. While the strut tower brace further stiffened the car making it track very straight indeed. It is not so light on turns as with only the front lower arm bar and the PT rear sway bar. But at 80 mph it really tracks straight. And when you push the car around turns hard it actually is fairly neutral (just a bit of understeer and certainly less than the stock vehicle).
When we had the tires replaced, they checked the wheel alignment. There was 44K miles on the tires and the wheel alignment was exactly the same as when the first set of tires where installed, so perhaps the claim by Cusco that the lower arm bar helps with alignment has some validity. The Nokian's also add to the straight line stability of the car. I assume that the Yokohamas you have on your car are not the issue.
By the way there is a replacement for the Nokian WRG2 tire in Europe which we don't have in the US, which is called the WRA3. These have great reviews, even better than the G2s. Maybe some of our European insight owners are familiar with this tire. I believe that Nokian even makes a tire that fits the I1. With its low rolling resistance it may be an alternative the OEM Bridgestones that I see everyone on the Insight 1 forum recommends (RE92), a tire I am familiar with as it comes standard on many Subarus I have owned.