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Tracking 60 ft and 1/4 mile times

9K views 11 replies 11 participants last post by  Pro Stock John 
#1 ·
Out side of track days what device are you guys using to track your 1/4 mile and 60 ft times/speeds? How accurate are these?
 
#3 ·
I use a Diablo Trinity. It is really accurate as I have tested it. It sure does beat going to the track all of the time.
 
#9 ·
I have a couple of apps on my iphone that estimate 1/4, whp, bhp, and G's the car pulls. It was preaty good with my ion redline was about 1/10 sec off in the 1/4 and 4 whp off from dyno. Cost me 10 bucks for dynolicious and pocketdyno+ and about 25 to 30 bucks for my favorite app g-tac pro wich will track you on gps and you go back and see what g's you are pulling and were in the turns you were pulling them also were you brake and accelerated at
 
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