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Old 01-05-2003, 07:04 PM   #1
OldGold1906
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Thumbs Up HOLY **** - Check out these G-Tech numbers

Had a little fun with the G-Tech today. After of couple of test runs, I got lucky and executed a flawless "Race Launch" and hit an all time best. Used Launch Control (DSC off, S6 mode, shift at redline). This is by far the best time I have run.

Even with a relatively slow 60' time, the 0-60 and 1/4 mile ET's were outstanding. I think the HP and TQ figures are an average rather than peak, but I am not 100% sure of that.




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Old 01-05-2003, 07:12 PM   #2
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that seems awfully fast? thats quicker than some z06s ive seen
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Old 01-05-2003, 07:14 PM   #3
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hey t

how is that g-tech calibrated. i've seen them in ads but all i remeber is that it plugs in the ciger lighter. how does it know the speed time, g's etc.., thanks good job
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Old 01-05-2003, 07:19 PM   #4
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of course everyone knows G-tech is good for baseline number testing. There are so many variable that could affect the 1/4 mile times at the track already, and there are 10x more variables for the G-tech.

I think G-tech is great for testing what performance gains/loss gives you as long as you test on the same roads and ensure the unit is mounted at the same spot, etc etc.
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Old 01-05-2003, 07:22 PM   #5
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Thats some really good times, but you have proof good job
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Old 01-05-2003, 07:26 PM   #6
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245.8hp????
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Old 01-05-2003, 07:31 PM   #7
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Re: hey t

Quote:
Originally posted by dknj23
how is that g-tech calibrated. i've seen them in ads but all i remeber is that it plugs in the ciger lighter. how does it know the speed time, g's etc.., thanks good job
It has to be initially calibrated twice. You take it through a series of rotations to the various axis' and pressing a button.

Pretty simple. As for the accuracy of the unit, G-Tech claims it is supposed to be very good. It has 3 accelerometers, that are supposed to keep the unit at peak performance. The claim is that its much improved over the old G-Tech Pro.

Of course I am not claiming these times to be accurate and hold up against verified track slips. Just posting to share the info.
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Old 01-05-2003, 07:48 PM   #8
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Quote:
Originally posted by ///M3Matt
245.8hp????
Don't know about those HP figures as stated, I think its an average over the whole 1/4 mile........ not sure about that though.
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Old 01-05-2003, 07:59 PM   #9
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Hah...those times kill anything ever posted

I wonder if anyone out there has a reliable evaluation of how accurate the G-Tech's are (vs. timeslips)?
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Old 01-05-2003, 08:36 PM   #10
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Quote:
Originally posted by Harvinator
Hah...those times kill anything ever posted

I wonder if anyone out there has a reliable evaluation of how accurate the G-Tech's are (vs. timeslips)?
This is not my car, but it is a bone stock 6-speed.

Here is a timeslip: M3 is on the right.
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Old 01-05-2003, 08:41 PM   #11
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how much is that thing oldgold? seems like its fun to mess with...
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Old 01-05-2003, 08:52 PM   #12
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Quote:
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how much is that thing oldgold? seems like its fun to mess with...
They go for $250 and is pretty cool. Might be a lot of money for something that is really only for giving you racing times, just depends on the buyer I guess.

Gtech Pro Competition

How accurate is it?

There are several significant improvements over the original G-TECH/Pro Performance Meter that have been implemented in the new COMPETITION model. First of all, there are 3 accelerometers and they are fully temperature compensated. This in itself is a huge improvement in accuracy. Secondly there is a very sophisticated new calibration algorithm that allows much higher precision. Also the system now has 32 times higher resolution which speaks for itself. New Noise-Correction algorithms have improved overall accuracy as well. With all of these valuable features we are very proud to announce that the accuracy is now within 5/100 second. With the consistency at 5/1000 of a second! Absolute Horsepower and Torque measurement are within 3% and consistency within .5%!
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Old 01-05-2003, 09:01 PM   #13
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very nice to hear and to see numbers . and i lov your colors on your car
i have a carbon black 03 m3 smg2 only with gray leather
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Old 01-05-2003, 09:04 PM   #14
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definently some nice numbers you got there
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Old 01-05-2003, 09:06 PM   #15
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englishtown, raceway park, that where I race!!!
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Old 01-05-2003, 09:22 PM   #16
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wow that thing is pretty sweet, might want to think about getting one for myself

/edit: how can it "sense" rpm through cigarette lighter voltage?

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Old 01-05-2003, 09:33 PM   #17
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Quote:
Originally posted by carpenterm
wow that thing is pretty sweet, might want to think about getting one for myself

/edit: how can it "sense" rpm through cigarette lighter voltage?
I have no idea how it does it, but it is actually pretty close. You have to initially calibrate it at 2000, 3000, and 4000 rpm. Once it is set, it works.
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Old 01-05-2003, 09:36 PM   #18
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remember though, that it says it reads it within something like 3 or 4 tenths of a second so it could always be off. Plus, to work it, you have to calibrate your cars weight, combined with your own weight, something that can very easily affect the outcome of the readings if put in wrong........
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Old 01-05-2003, 09:39 PM   #19
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Your last trq number seems off the chart, 303.xx is way overstated with the stock 269 or 262 in the US.
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Old 01-05-2003, 09:42 PM   #20
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