G-tec anybody have or have used theese things?

[rlindus]

I saw this in a mag and thought it would be kinda cool to have but don\'t want to waste the money if it doesn\'t work.

[wild85]

They are very close to times at the track.

[mzoomora]

I have one, and it is usually within a couple of tenths. You can buy them on ebay really cheap compared to summit/jegs, so look there first.