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Old 03-13-2005, 11:26 AM   #1
 
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For those that have or use g tech

Im looking into gettting one of these but not sure which one i really need. they got hte one on ebay for 30 or 40 bucks and then the new ss model is 200.00. ebay looks a little older so is it as accurate. and how are they working for you guys

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Old 03-13-2005, 11:41 AM   #2
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For those that have or use g tech

I picked up one of the $30 (old) models. They work well as long as you have an accurate weight for your truck. My QC/SB weighed in at 5760 lbs. with me (175 lbs), my 17 month-old son(25 lbs), 20 lbs of random crap in the cab, and 23 gals. of gas. You can adjust the weight according to the amount of gas (8 lbs/gal) or other stuff/mods in your truck. The dry weight of a QC/SB is probably around 5350 lbs +/- 25 lbs, although you might want to add another 25 lbs if you have the OEM 20" wheels (I've got the 17's). My best runs showed 294 hp, 6.68 sec 0-60, and 15.18 @ 91 mph for 1/4 mile at around 35 deg. F. The dyno only gave me 276 hp, but that was SAE corrected and run in 2nd gear, which will apparently give numbers that are a little low. SO, yes the GTech works, but it's up to you whether you want to drop around two bills for the extra measurements on the new model (the old model only calculates hp, not torque).
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Old 03-14-2005, 01:17 AM   #3
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We've been testing the newer version on diesels all winter with mixed results. If the tires spin, it's off. Our torque readings have varied 200 lb. ft. so we're still not there. I'm going to ship it to MrHemi for a couple months and see what he learns.
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Old 03-14-2005, 11:52 PM   #4
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I did have to do 4wd starts in order to get good results (kept the wheels from spinning).
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Old 03-15-2005, 12:15 AM   #5
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Good idea, but what will MrHemi do. With the blower and 4x2 he's going to have a challenge not spinning his tires up to 2nd overdrive (5th)
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Old 03-15-2005, 12:42 AM   #6
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I just ordered the old one for 33.50, I'll let yall know what I come up with stock, and on the Juice.
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Old 03-18-2005, 02:45 AM   #7
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Without NO2 I came up with an average of 7.17sec.
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