I am thinking of getting one. What do those of you with experience think of 'em. The closet track is 2 hrs away so its not like i can go every sat. night.
thanks

 

garbage in, garbage out. If you don't input the correct data it's won't give accurate readings. Other than that it's reasonably accurate. MPH will probably be a little higher than what's printed on a time slip because the gtech gives that mph at the 1/4 mile mark. A time slip MPH is actually a calculated time between the last set of timing lights. The timing computer then estimates the mph from the time it takes to break the lights. Since you are constantly accellerating through the lights the computer does an estimated mph. The gtech will give a true mph at the 1/4 but depending on your inputs the accuracy will vary.

no I don't have one.

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Follow my racing progress on Stephen's racing page
and check out the race car

87 IROC-Z SuperPro ET Bracket Race Car
461 naturally aspirated Big Block

Best ET on a time slip: 11.447 altitude corrected to 10.99
Best MPH on a time slip: 119.42 altitude corrected to 124.86
Altitude corrected rear wheel HP: 493
Best 60 foot: 1.586

Racing at 3500 feet elevation with a typical race day over 5000 feet density altitude!
Member of the Calgary Drag Racing Association

87 IROC bracket car, 91 454SS daily driver, 95 Homebuilt Harley

 

I would recommend it.

 

they are nice toys,good for seeing if new mods helped.But as far as bragging rights on 1/4 ET's,be prepared for a flame attack if posting only G-TEC times. LOL
on mine a good bump is worth .6 sec.Like STEPHEN said,it all depends on setup/road conditions.

 

I have one and like it a lot. The only drawback is, I can hardly find a suitable place to do any testing. Cruising around looking at instantaneous G numbers gets old.

 

i have found that it can be within teh 1 tenth that they advertise on tv. but that only happens if you can hook really good, since my car dead hooks on the street and the strip it is very close normally. liek others have stated, the mph is off by a bit, i find it to be 3-5mph high usually.

later
tim

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91 Camaro RS-LO3,Auto
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So lets just say my car cant hook at all, and i dont plan on improving the suspension at all(this is a hypothetical situation). The Gtech wouldnt give me accurate times just because i spin through the gears.

 

It should give you good times, how do you think it works for imports, those guys can hook for crap. Think of the Gtech as measuring G-force over your run, then it integrates the graph of its plots and from that it can make a very accurate picture of of 1/4 mile times. This is independent of how hard you car can hook or cant. These things are all worked into the integral that figures out your time.

To recap, the G-tech works well, no matter if you run 18s or 11s. No Im not the president, but I do own one.

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91 RS W/carbed 350, Vortec heads, performer rpm, Comp cams Xtreme energy 224/230 duration and .477/.480 lift. BFG Drag radials. 3.42 posi,Corvette servoed 700r4, 3000rpm stall converter. Edelbrock TES, 3inch cat, flowmaster with single 2.5 inch exit.
Best time yet to come
13.0 @ 107- N/A
12.5@ 117- 100HP Nitrous

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I took mine to the track once, did 6 runs and found it to be 0.12 seconds fast (+or-.01)and 5 MPH more allways in the 1/4 mile. So I say there pritty accurate, plus they are good for teaching you how to launch your car buy using the 0-60 mode.

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89 T-Top GTA 350 5-speed (soon to be 6-speed)
(Jet hot coated)1 3/4 SLP headers,flowmaster force 2,no cat's,SLP cold air,MSD 6al,march pulleys,ported plenum,air foil,B&M ripper shifter,180 stat,alston SFC,spohn LCA relocation brackets,ES LCA and Panhard bushings,free mods.

0-60 5.2s
Track Time
60' 2.049
E.T. 14.14@96.7MPH (2270 FT)
13.76@99.4MPH corrected