Ran the car with a G-Tech

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Old 06-21-2010, 10:36 AM
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Default Ran the car with a G-Tech

I ran the car 4 times with the G-Tech with my buddy in the car also and he weighs 160lbs. 2 times it didn't hook up 12.70's @ 114. 60' times were in the low 2.4's The two times it did hook up it went 12.25 and 12.29 at 115.8 and 115.4. 60' times were 2.06 and 2.09. What do you guys think? Is that good or bad with my HP and torque numbers?
Old 06-21-2010, 06:04 PM
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Just to let you know before all the idiots tell you the times are worthless, they aren't. The three times I have used a G-tech the times were within a few 10ths. This was in vehicals that hooked well on the street so traction didn't make a big differance.

You 60's don't look so good but that is because of the street.
Old 06-21-2010, 08:53 PM
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The ET is usually close, its the MPH that is always high with Gtech.
Old 06-21-2010, 10:30 PM
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My mph was very close. I don't remember the numbers but both et and mph were very close both with my truck and probe years ago.
Old 06-24-2010, 10:57 PM
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I ran one of the gtech rr at the track a couple of my runs and it was withing about 0.15sec and about +or- 1mph.
Old 06-25-2010, 02:06 AM
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Originally Posted by 69LT1Bird
The ET is usually close, its the MPH that is always high with Gtech.
The speed is not really high its close to dead on,the accelerometer inside is activated by inertia. If you notice the G-Tech is usually 5 mph faster than the time slip.
My G-tech was purchased in 1993 and has functioned flawlessly since that time.
Excellent instrument!
Old 06-25-2010, 09:46 AM
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Actually mph is usually right its the track mph that is technically wrong. Track averages last so many feet or something incar timing is more exact. I took my tazzo like a gtech down the track and it was within a tenth for et , about 2.5 mph high and 60ft was pretty much dead on track 60. I ran it several times in the past. My tazzo can also be calibrated to match track times to nearest 100th. They don't make the tazzo anymore but it is a great unit. Buddies fairly new gtech didn't even trigger on several runs we tried with it.

I am not sure how good 60ft you can get on the street. Try playing with the burnout and the air pressure likely around 20psi is about right. But I am not having much luck so far hooking up my car on street but been trying mostly on my toyo tq and have to try my et street radials soon hoping they are a lot better.
A well prepped track of course makes a big difference.
Old 06-26-2010, 07:41 AM
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Why not got to the track? With close to 400 RWHP I think you can get into the 11s. Any suspension mods?
Old 06-26-2010, 02:12 PM
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my g-tech must have been way off mine said 10.8@129 my car had a tad over 400rwhp
Old 06-26-2010, 03:52 PM
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The G-tech also has to be properly calibrated prior to each use. It is an easy process.....0 it out by leveling the unit.

As i stated prior, my G-tech is 17yrs old and works very well
Old 06-29-2010, 08:37 AM
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It is not bad based on the mph, but as mentioned isn't as exact as a timeslip. A tenth or two is a wide variable (a car length or two). Based on rwhp and mph, I'd guess you should hit 11's in the 1/4.

Derek




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