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Accelerometer arrived today.

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Old Oct 31, 2007 | 07:44 PM
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Default Accelerometer arrived today.

Had to start a new thread.

Just purchased the Vector FX2 and delivered today off of EBAY for 33.00 (what a steal).

Anyone used this yet and if so, how accurate vs. track results.

measures 0-60 times, 1/4 mile and g-force.

Thanks!
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Old Oct 31, 2007 | 09:24 PM
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Originally Posted by ChancWds
Had to start a new thread.

Just purchased the Vector FX2 and delivered today off of EBAY for 33.00 (what a steal).

Anyone used this yet and if so, how accurate vs. track results.

measures 0-60 times, 1/4 mile and g-force.

Thanks!

That's cool man, got any pics of the unit? My Kenwood head unit does all that stuff too. It's called the G-Analyzer function.
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Old Oct 31, 2007 | 09:39 PM
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Toyed around with a friend's GTech Pro with my old WRX and it was fairly accurate, compared to actual dyno numbers. The main thing was calibrating the exact weight of the car as that has the biggest affect over everything... not sure about the Vector but it's probably similar.
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Old Nov 1, 2007 | 01:25 PM
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I dont know anything about them, but what are the numbers? Inquiring minds want to know.
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Old Nov 2, 2007 | 10:39 PM
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Default Performance runs

Tried the accelerometer on my 03 infinitti sedan (auto) and the 72 coupe today (383) three speed auto. First time I've ran the 383 over 100.

about 68 degrees, country road far from everything. Did a few 0-60 runs and then I got in two 1/4 mile runs.

Alot of tire spin I need to work on. 18" 275's on the back. O.K. enough foreplay.

best 1/4 mile (out of two)

60ft 2.18
330ft 5.88
0-60 5.23
0-100 12.63
1/8 8.85 at 83.1
1000ft 11.4
1/4 13.6 at 102.7

My best run out of three for 0-60 was 5.0 flat (tire spin).

By the way, Inf G35 sedan auto 0-60 was 6.5.
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Old Nov 2, 2007 | 10:44 PM
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By the way. 383- 770 Holley Street Avenger, Edelbrock Perfomer RPM manifold, I am not numbers to post for my cam but I have them. ADV INT 272 INT and 272 EXH/ .050 Dur-216 INT and 216 exh. 4340 crank. world class heads. TH400 and B&M holeshot 2400 stall speed.

How can I get better results? (besides trying to reduce wheelspin).

Last edited by ChancWds; Nov 2, 2007 at 11:11 PM. Reason: More info
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Old Nov 2, 2007 | 11:27 PM
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I know nothing about these things....

How does it tell when you reach end of 1/4 mile?
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Old Nov 3, 2007 | 02:44 PM
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Originally Posted by Bruthish
I know nothing about these things....

How does it tell when you reach end of 1/4 mile?
If you do a derivative on acceleration, you get velocity. If you do another derivative on velocity you get distance. Its all based on calculus. Since acceleration is 0 at start, its not a real tricky calculation. But don't ask me to do it, it's been way too many years since I did that kind of math .
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Old Nov 3, 2007 | 05:20 PM
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yeah...that is a cool new toy. I got a G-tech last year for x-mas and used it several times including the track. It was dead on after I made all the fine tuning adjustments such as weight and rollout when starting at the starting line in the 1/4 mile track. The track I went to had no problem with me using it...so I used it and got it dialed in consistently to less than 0.05 secs difference in time slips. It told me how slow my shifts were, etc. The dyno was dead on the money but you definitely have to weigh your car to get a correct figure.
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