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Discussion Starter · #1 ·
BoostController.com is thrilled to be the first on the Internet* to relay news of one of the most important new product releases from Auto Meter in recent years. The Auto Meter D-PIC is a full-featured performance meter that provides instant real world horsepower ratings, 1/4 ET and speed readings, reaction time, 0-60 acceleration, 60-0 braking, and G Forces. All this in the same 2-1/16" size that you are familiar with. That's right... it fits into the same mounting solutions that you are already accustomed to (Pod, Pillar, Cup, Panel, etc.).


You can read the rest here.
 

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the question is how accurate is it and how much does it cost?
 

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Yes, cost?
 

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I wonder if it'll be better than the G-Tech??
 

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Ya the new g-tech's are the way to go. (if you don't have a track near you) They are really accurate. It will only be 1/100 off at the most. I want it to know my 0-60 times.
 

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hmm, thats interesting, id always heard the gtechs were off, but i guess that must be the old ones, that will be interesting to see how the autometer ones turn out
 

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I have really always wondered about these, I can how it can read g rates and stuff like that. But how can this thing tell you how much horsepower and torque you have. Or do you have to hook it up to your ecu or something for it to tell you?
 

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well i dont see how it can tell you hp/tq either... not with out knowing your weights and what not.... also from all I have seen the mph reads high.
 

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Discussion Starter · #11 ·
Well, you have to tune it and enter the vehicle's weight. Here's what Escort says about how it works.

How does the G-Timer know the speed and distance?


The G-Timer tracks acceleration forces over time, and from this continuously calculates speed and distance. For accuracy, it tracks all these items approximately 200 times per second.

Here's a simplified explanation of how the system works:

For this simplified example, we'll assume a G-Timer that performs calculations only once per second. We'll also assume that our car can accelerate with a force of 0.45G.

An acceleration of 1 G means that car would accelerate at 32.2 feet per second per second, which is about 22 mph per second. (That means, from a standing start, after one second, the car would be going 22 mph. After two seconds it would be going 44 mph, etc.)

In our example the car accelerates at 0.45G, which is about 10 mph per second.

So, let's look at the 1st second of our timed run: We were going 0 mph at the beginning of that second, and we were going 10 mph at the end of that second. So our average speed during that second was 5 mph. We can then calculate how far the car went: 5 miles per hour = 26,400 feet per hour = about 7 feet per second.

So after the 1st second, we've traveled 7 feet, and we're going 10 mph.

Now let's look at the 2nd second of our timed run (remember, we're still accelerating at 10 mph per second): We were going 10 mph at the beginning of that second, and we were going 20 mph at the end of that second. So our average speed during that second was 15 mph. We can then calculate how far the car went, which turns out to be about 22 feet.

So after 2 seconds, we've traveled 7 + 22 = 29 feet, and we're going 20 mph.

Now let's look at the 3rd second of our timed run: We were going 20 mph at the beginning of that second, and we were going 30 mph at the end of that second. So our average speed during that second was 25 mph. We can then calculate how far the car went, which turns out to be about 37 feet.

So after 3 seconds, we've traveled 7+22+37 = 66 feet, and we're going 30 mph.

This is a simplified way to see how the G-Timer tracks speed and distance during a timed run. Remember, in actuality, the G-Timer continuously measures G-forces, and makes these calculations hundreds of times each second.
 

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I got the G-tech, and before you use it, you got to tune it and type in different info about the car. I like it
 

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So tell me has anyone dynoed there car and also have the g timer and find them to be accurate.
 

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ive seen em be rather close, usually with in 10-20hp and tq and mphs with in 3
 

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NorwegianMustang - Henry has my old G-Tech and yes I put it up against a DYNO.

I found that the RWHP was only off by 5rwhp and the torque was only off by 2ft-lbs. Of course it does require you to have a pretty accurate vehicle weight plugged into it.

As for setting it up - it is a piece of cake (as in attach to windshield and make sure your sitting still).

The G-Tech is awesome if you do not have a DYNO and/or track near you (I have both so I sold it to Henry :D )
 
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