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GTech Result 230hp 204 torque?

Old 05-27-04, 12:50 AM
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GTech Result 230hp 204 torque?

I got G-tech result of 230hp and 204torque for 10psi run.
Engine related mods: K&N intake, y-pipe, Greddy SMIC, downpipe, hf cat, N1-Dual, flywheel.
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Old 05-30-04, 02:22 PM
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sounds like you might have input the weight on the higher than what it really is. Was the road straight and flat and did you do a run back the other way and average them?

I weighed my car at the track and feel I was within 10 to 15 lbs of that weight when I did my g-tech runs (how full the tank was). Mine was within 6 rwhp and when I went to the dyno a couple of days later.

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Old 05-31-04, 02:21 PM
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The opposite run gave me 180hp.
I ran 3/4 tank, and I am 155#. I put in 2950 for weight.
The car is base FD with no spare tire.
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Old 05-31-04, 02:33 PM
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well I'd throw both values out if there is that much variance between the 2 runs on the same road, same day. was it windy?

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Old 05-31-04, 03:42 PM
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not windy....I do suspect the tires slip...when it goes into secondary turbo.
I am still new to G-tech.
But maybe you can help. I have been doing this in second gear. How to do it in third gear. Because the Gtech starts as soon as I pull up in first gear.
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Old 06-01-04, 08:59 PM
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is it the new model or the old model (black with red numbers)? I used the older version when I made the 289. Luckily I had a street/road that was about a 3/8 of a mile long. I'd zero it out on the hp setting, then when it's flashing go, get on it a bit in first and second, then take 3rd and 4th to redline. After I slowed down it would display the estimated rwhp.

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Old 06-02-04, 02:11 AM
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this is the new pro comp ones. with nice display...
start to feel like kids meal toys...
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Old 06-05-04, 11:05 PM
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I have that one now for the hell of it...not sure why I got it since I haven't used the damn thing or the software that comes with it. Have you yet?

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Old 06-06-04, 02:48 AM
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I went to real dyno today.
My car gets 278.xxhp and 244.xx ft/lbs
An hour later, I G-tech it at 245.1 and 221.1 ft/lbs.

So there are about 33hp difference, which is close to 15% difference between the G-tech and the dynojet.

The PASS software that comes with it is a piece of crap.
Just use it to download, and export into CSV. Then do your graph with Excel...

I can't wait for the 4.0 firmware which can take lateral G measurements as well.
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Old 06-09-04, 01:11 PM
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Originally posted by Tim Benton
sounds like you might have input the weight on the higher than what it really is.
Actually - its the other way around. If you put in too LOW of a weight, you get lower HP reading. It makes sense - no ?

What GTech measures is acceleration.
And lower weight vehicle SHOULD accelerate faster given the same horsepower, right ?
So given the same acceleration, if you increase the weight, also the measured horsepower increases (it must increase to hold the same acceleration).

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Old 06-30-04, 01:27 PM
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Do you have the .gtp files to share? Much can be determined by reviewing the Gs page.
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Old 06-30-04, 11:13 PM
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NVM...engine blew up a week later after dyno at autocross.
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Old 07-26-04, 02:30 AM
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No wonder with those mods on stock ECU.
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Old 07-26-04, 01:18 PM
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reza... I know that name from somewhere... wasn't he a racer in cannonball run?
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