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- General Discussion (https://www.homemadeturbo.com/general-discussion-6/)

- - g-tech (https://www.homemadeturbo.com/general-discussion-6/g-tech-803/)

has anyone ever used a g-tech performance meter?
Do they work?

I am also very interested in this! I've heard that they are more accurate than alot of dyno's. I think around $160.00 or so.. Im thinking about one but would like some real worls input as well!
Very good question! ;D

I`ve had one of the older models for like 3-4 years now, and its lots of fun. If you use it on the same stretch of road when comparing different cars, it is accurate in determining differences. It is easy to `skew` the results if not setup right. I liked to use it for 0-60 runs to practice different ways of launching. The HP function was useful when testing before/after turbo. (just had to be sure and enter the same curb weight each time)

Worth the $129 I paid? To some maybe. For me it was worth it for entertainment, and to watch my friend get so excided launching his Cobra so hard he was at 6k in second and still only doing like 15mph...lol Smoke shows smell good ;D

I also have an older model. I used it on the streets late at night to get 1/4 mile times. I was pretty hadppy and thought it worked pretty good...until...

I decided to take it to the track with me. I "knew" the G-Tech probably wasnt accurate but I figured that if I could compare the times the G-Tech gave me to the times that the professional track equipment gave, I could figure out the ratio between the two and then use that calculation to "calibrate" the G-Tech on the streets.

What I found was the G-Tech results varied wildly from the track times. Sometimes it was high sometimes low. I recorded all of the information on a ------sheet. The was absolutely zero consistency with the G-Tech. I made 7 passes with it. All factors (mounting position, temperature, elevation angle, etc) were held as constant or more than what you could get on the street.

My review? Dont waste your money. It wont give you accurate, consistent readings. If you want a mere "novelty" then by all means spend $125 and get one. But, I am interested in REAL numbers not what this unit gives. I was completely disappointed with the unit after taking it to the track. Afterwards I threw it in the glove box, where it remains.

The $15 test and tune fee is a much better investment.

My $.02
Jon Black

Just look on eBay at all the people selling them in "like new condition" for around the price of $50-$75.

http://search-completed.ebay.com/sea...ty=MetaEndSort

That should tell you something...
JonBlack

yep it certianly seems like alot of people are dumping them! oh well ???

i have one...just cuz my brother bought it for me for my b-day. its really weird though....fun to play with yea. but one time(right after my zc swap about 6 months ago) i ran a 18.2 my first run....then high 15's....i dunno what happened there...but whatever! its all fun and games.

Dane

I heard that the only thing consistent were 0-60 times and 1/4 mile times...but then after reading what John Black said, I don't know what to believe :(

They have a new version out now, supposed to be better. All I know is the thing looks hot www.gtechpro.com

I am thinking about the Blitz Power Meter, they tested it in a magazine versus a dyno and it came out like 1hp off. So I am guessing that its pretty good.