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wasnt expecting these numbers w/ gtech

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Old 12-10-2006, 02:51 PM   #1
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Default wasnt expecting these numbers w/ gtech

ok.. i gteched my 01 z28 in the summer and got 4.8sec 0-60 and 13.2 in the quarter with no traction, 100% humidity and 95* weather...

so since then ive done a few mods.. "race" pasesetter LT's, TSP ORY, msd 8.5mm wires, ngk tr55 plugs, ultra z hood, way better tires, and most importantly an awesome dyno/street tune from florida's best jeremy formato

so tonight i gteched it once again.. humidity??? and a beautiful 50* outside at run time... first run, on interstate was 5.7 0-60 and a 13.7 quarter mile (i had zero traction i mean none on the interstate and shut down early since the crappy trac.) keep in mind i was cutting 4.8 and 13.2's before mods listed above and in the worst possible weather besides rain...thats alomst a full sec. slower in the 0-60 and a half of a second in the quarter (so i know its running stronger uptop if it could take back .5 after the 0-60 and shutting down early)

so i go to another road (empty of course) and make another run.. this time i was much more pleased with the results... perfect launch, no spin at all.. then i pull over to check the results and i was in disbeliefe... my new times were 0-60 4.27 and 12.27 in the quarter

now i have a few questions

is it even possible for a full bolt on to even run low 12's?
did i actually drop a full second from above mods w/ good trac. awesome weather and the tune?

man i need to go to the track and find out for real...
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Old 12-10-2006, 03:02 PM   #2
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How accurate is gtech? Without a TC I don't see those times happening. Go to the track and compare.
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Old 12-10-2006, 03:21 PM   #3
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It is possible to run low 12's with boltons.
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Old 12-10-2006, 03:32 PM   #4
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Quote:
Originally Posted by BayAreaSS
It is possible to run low 12's with boltons.
But it is almost impossible in an auto without a stall...mid 12's, I can see it, but low 12's w/ only bolt-ons, I think you have to be stalled.
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Old 12-10-2006, 03:37 PM   #5
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Quote:
Originally Posted by jpat1023
But it is almost impossible in an auto with a stall...mid 12's, I can see it, but low 12's w/ only bolt-ons, I think you have to be stalled.
he means withOUT a stall its almost impossible...go to the track and find out for real!!!
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Old 12-10-2006, 03:54 PM   #6
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Quote:
Originally Posted by BayAreaSS
It is possible to run low 12's with boltons.
And high 11's. There is an SS up here that runs 11.8's with bolt-ons, given its stripped down, thats still 11's. I think he goes by Reaper on this board.
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Old 12-10-2006, 03:55 PM   #7
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possible? yes. Likely? Heavens no. Go to the track and I would be willing to bet you pull mid/high 12's.
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Old 12-10-2006, 04:05 PM   #8
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The guy running 11's is an M6 by the way, so that info was worthless. A stock stall A4 with bolt-ons, I agree with Ell Ess Won, you'll pull high 12's, if you dip into a 12.5 consider yourself very lucky.
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Old 12-10-2006, 04:09 PM   #9
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Quote:
Originally Posted by Magnet
he means withOUT a stall its almost impossible...go to the track and find out for real!!!
haha oops, typo. Thanks for the correction! I will go edit my post now.
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Old 12-10-2006, 04:44 PM   #10
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ya i have stock stall with 2.73's.. thats why i thought the numbers were off...
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Old 12-10-2006, 07:08 PM   #11
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g-techs are nice for ballpark, but I would never consider it to be exact. you also have to be sure the road is 100% evenly FLAT. GMHTP did a comparison one day with the g-tech, a radar gun, and the track traps all calculating the same runs. The radar gun and traps were within a tenth and 1 mph, but the g-tech was off by as much as 4 tenths and 4 mph iirc. Use it on the same stretch of road to judge consistancy when changing mods.
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Old 12-10-2006, 07:48 PM   #12
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G tech is a waste of money, ALL my experience with is that its crap, by the way its tilted can give better times, I remember my friend had it in his moms civic and it showed it running like 9's in the quarter, only one way to find out, go to the track get some real times....
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Old 12-10-2006, 09:54 PM   #13
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gtech is like a dyno, its only usefull if you test on the same road in the same conditions, anything beyond that is null and void. With a dyno, the numbers mean **** unless you have a baseline on that same dyno.
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Old 12-10-2006, 09:57 PM   #14
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i run 12.1 bolt ons, but i got a stall
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Old 12-10-2006, 09:59 PM   #15
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if set up correctly, g tech gives you a nice estimate

civic in the 9s? probably in the 1/8th

since it reads 1/8th as well as 1/4th
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Old 12-10-2006, 10:18 PM   #16
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I have a GTech but its the Beltronics brand and took it to the track with me one time... Both runs I did with it were withing 1/100 of a second....

But I can see why it may not be so accurate on the street... It may be hard to tell if the street is level or even might have a slight bend.
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Old 12-10-2006, 10:35 PM   #17
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Quote:
Originally Posted by Havok2
if set up correctly, g tech gives you a nice estimate

civic in the 9s? probably in the 1/8th

since it reads 1/8th as well as 1/4th
yea but some of them if you tilt them at different angles it will go crazy
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Old 12-11-2006, 06:21 PM   #18
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my g-tech has my a PITA to set-up, i hate it, accuracy is hard to get...
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Old 12-11-2006, 10:32 PM   #19
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i got mine to be -.1-.3 from accurate

mph was always 3-5mph over
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Old 12-12-2006, 05:16 PM   #20
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yes the MPH always reads high with those things.
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Old 12-12-2006, 05:16 PM
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