Rims

Jul. 18th, 2006 03:08 pm
octothorpe: (porn)
[personal profile] octothorpe
No, not *that*. I'm talking about wheels. My TSX was born yesterday, and it's slowly swimming from Japan.

The new K series engines have a 3-axis (3D) ECU, and as such, are a "learning type" ECU, rather than a static map. This means that there is a break-in period that goes a tad beyond a normal 500 mile break-in period, to about 3k miles, so I am not going to add any engine mods until after about 5k.

This leaves me with suspension mods, my personal favourite! I know I'm going to go with the Koni Yellow/Eiback Pro Kit combo as I have on my Accord, but I've *got* to ditch the stock rollers. the car is *heavy*, so any weight I can take off (without too much sacrifice), I will. However, aesthetics weighs in heavily as well. I'm down to these two rims:

The OZ Racing Superturismo GT, weighing in at 20.7lbs


Or,

The OZ Racing Ultraleggera, weighing in at 17.6 lbs.


I'd probably go with a 17", as an 18" rim would weigh more, and there would be more rotational mass. I am however, going to go with 235R45 rubber, which is going to add a bit to the overall weight, but should improve traction, keeping the power on the road.

The stock rims are 25lbs each, so both choices offer serious weight savings, however, I am concerned that the Ultraleggera may be *too* light to deal with the ass-tastic roads we have in CT. Bent rims suck.

I'm also looking at wind resistance. Aerodynamically, the TSX is one of the best non-exotic production cars on the road. Wheels are a factor in that. I believe the Superturismo GTs may be better in that regard, although I am not sure I'll be going so fast for long periods of time for it to matter. I do Solo 1 and Solo 2 stuff mostly, and I don't usually go above 60mph. "Real" track days, however, I can easily go over 100mph, and that may start having an effect.

So what do you think?
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