G Tech Times

**rc74racer** · 11-19-2007, 07:16 AM

I borrowed a buddies G tech to check out my times. It's the old version. I used it a few years ago on a celica I had and the times were spot on for what it would run in the 1/4, but I never bothered comparing trap speeds. I think the times for the camaro are good but the trap speeds seem very high to me. I'm curious if anyone has used a g tech and compared trap speeds to the actual trap speeds at the track and how far off they are.

I ran 13.47 @114.1 the first run and 13.19 @ 116.2 the second run. I believe with a little more peddling I can get into the 12.9s and with DRs maybe 12.8s. Not bad for 4.10s, catback and lid.

**hutch1999** · 11-19-2007, 12:18 PM

Good times, I wonder how fead on they are?

**rc74racer** · 11-19-2007, 01:13 PM

I believe the times themselves are pretty on. My celica ran low 14s and the G tech ran the same times when I tested it a few years ago. I just never checked the trap speeds and those traps for the camaro are high.

**hutch1999** · 11-19-2007, 01:21 PM

Originally Posted by rc74racer

I believe the times themselves are pretty on. My celica ran low 14s and the G tech ran the same times when I tested it a few years ago. I just never checked the trap speeds and those traps for the camaro are high.

sounds like a quick celica what all was done to it?

**BLKCLOUD** · 11-21-2007, 04:28 AM

G-techs are typically fairly close in ET (within a few tenths), but notoriously high in MPH.

**rc74racer** · 11-22-2007, 08:56 AM

Yes I'd say the traps are high. Thanks for the feedback. I'm looking forward to the track in the spring. I'm hoping with LTs, ORY and P&P TB I'll be well into the 12s.

The celica had a full exhaust, intake and me driving it.

**stephen02ws6** · 11-22-2007, 06:43 PM

ya i have a gtech meter. i never been to a track but i read that the trap speed will be off unless you change the pitch setting on the meter. the times are supposed to be close.

**hutch1999** · 11-22-2007, 07:15 PM

Originally Posted by rc74racer

Yes I'd say the traps are high. Thanks for the feedback. I'm looking forward to the track in the spring. I'm hoping with LTs, ORY and P&P TB I'll be well into the 12s.

The celica had a full exhaust, intake and me driving it.

Damn thats a fast ass celica if it was near stock and runnin 14s

**01Z28M6** · 11-23-2007, 06:40 AM

The g-tech speed is correct. The trap speed is an average between two lights. My g-tech RR was accurate within .01 ET and showed 2 mph fast over the time slip. A second run did not prove quite so accurate with the ET but the trap speed again was about 2 mph faster than the slip showed.

**BLKCLOUD** · 11-23-2007, 07:04 AM

My personal experience is that the G-Tech MPH is 3-5 on the high side over what is shown in a timeslip.

As you stated, a timeslip shows an average over the last 90 ft of a run vice actual MPH at the very end. However, that is the standard that we have all been using for many years, and this is the metric from which a comparison should be made.

**rc74racer** · 11-24-2007, 06:51 AM

Thanks for the responses. I feel pretty good about the times and 3-5mph variance on the trap speed makes sense to me. I figure a couple more runs with the Gtech should yield 12.9s. I'm really looking forward to see what I can do at the track next spring. By then I will at least have DRs and P&P TB, maybe LTs too.

You'd be surprised how much you pick up when you uncork high RPM 4 cylinders, especially a 2000 and up celica GTS. Once you've gone that far picking up more hp is way too expensive one of the reasons I got rid of it that and I was a bit bored of it. It was fun though beating mustang GTs with it.