C219 CLS55 and CLS63, 2004-2010

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Old Jun 7, 2007 | 09:10 PM
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sinbad's Avatar
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G tech

Has anyone used the G Tech Pro in there car? Is it worth the 150 bucks?


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Sinbad
New 07 CLS 63
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Old Jun 7, 2007 | 09:43 PM
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TREZ63's Avatar
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2010 RRS ; BMW K1200R; 14 E350 ; 14 RRS on order
Originally Posted by sinbad
Has anyone used the G Tech Pro in there car? Is it worth the 150 bucks?


Thanks

Sinbad
New 07 CLS 63
You mean the g-timer right?
Yeah I think a bunch of us have one.
It's at least a fun toy for a while. Best I did was 3.92 sec 0-60 but like others have pointed out it probably is not very accurate. But who cares it's a very cool toy. And it is worth $150 IMO..
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Old Jun 7, 2007 | 10:03 PM
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CLS 55
+1.. What he said
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Old Jun 9, 2007 | 07:07 PM
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All of them!
Originally Posted by sinbad
Has anyone used the G Tech Pro in there car? Is it worth the 150 bucks?


Thanks

Sinbad
New 07 CLS 63
I have the G-Tech Pro RR ($299). I love mine, and recommend every enthusiast have one. You will be able to save and download test results to your computer for analysis as well as overlay graphs to study changes with it's sample rates of 10-20 (adjustable) samples per second. You can email the files to friends for comparision.
As for accuracy, If you read the instructions, understand them and set it up properly, it's very accurate. For example, I set it up to trigger on takeoff, instead of giving me a starting tree. Then I staged at the dragstrip. It triggered on launch and read the exact same 1/4 mile time obviously without any reaction time figure though.
The MPH will read higher by 2-4 mph than the dragsticp will report. The G-tech is actually accurate and the dragstrip is incorrect.
It's a great tool for checking performance mods. I also have the Passport G-timer and don't like it even a fraction as much and that would be comparable to the lesser model G-Tech (SS model).
It would be real interesting to overlay the graphs stock E55 & E63 or CLS55 & /CLS63. As long as you used the enertia trigger and held the cars to the floor in like conditions, the graphs would tell which is truly stronger and where exactly. I have the stock E55, but haven't run it yet. Buy the RR maodel and we can trade files.
Hope this helps.
Rich
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