I'm with Kirk--- My data aq system has the display with tach, all the data displays, which are configurable, and the ability to time laps, segments, etc.
I agree that the whole track mapping thing seems a little spooky, so the jury is out on that.

But...(and I just got mine barely up and running for the ARRCs), just the display with the lap timing function, configurable tach, and data displays are easily worth the price. Price a tach and lap timing system of equal capability and the total is nearly the same as the whole data aq system.

I really think it's a no brainer for the empirical data you will get instantly, which makes your track time SO much more useful. The neat things these devices are capable of is endless. Want to know the actual charge temp of your cold air induction system? No problem! Or if it is restricting airflow at high rpms? Easy!

Like anything there is a learning curve, but I wish I had done it long ago....

(The one downside is that my system needs a laptop for full functionality, but these days, there are lots of options there as well)

Check out the other threads for some good info as well...

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Jake Gulick
CarriageHouse Motorsports
ITA 57 RX-7
New England Region
[email protected]

[This message has been edited by lateapex911 (edited February 07, 2005).]