blue_xr6 Member 40 Member For: 16y 8m 19d Posted 20/07/09 08:29 AM Share Posted 20/07/09 08:29 AM Does anyone here use the g-tac software on I-phone to measure the speed, quarter mile, 0-100 etc. ? I've heard they're pretty good and come free from app store. I've just download mine but don't how to use it. When I touch on the "g-tac" logo, a car image appears for 1s then gone. Does anyone here know how to use it? Link to comment https://www.fordxr6turbo.com/forum/topic/59804-g-tac-to-measure-quarter-mile/ Share on other sites More sharing options...
seventytwo Still have a turbo, it's just on a diesel. Lifetime Members 5,368 Member For: 19y 11m 14d Gender: Male Location: The 8th Dimension Posted 20/07/09 08:40 AM Share Posted 20/07/09 08:40 AM They are fairly accurate but it depends on the number of satellites you can lock onto, the best way is still the track Link to comment https://www.fordxr6turbo.com/forum/topic/59804-g-tac-to-measure-quarter-mile/#findComment-909453 Share on other sites More sharing options...
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