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#1 |
![]() Drives: 2010 Camaro 1LT RS Join Date: Jun 2010
Location: USA
Posts: 219
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how can i prove my speedometer is not off?
me and this girl from work have been driving down the highway together every night after work and i will tell her dang your driving fast, like 80 and she is like no i never went over 70
then tonight we tested it, she said go 60, so i set my cruise to 60 and she did the same she left me, so im pretty sure her speedometer is wrong, or im worried it could be mine? how can i prove it? |
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#2 |
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fly by a cop and see what he clocks you at?
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#3 |
![]() Drives: 2013 CTS-V Wagon & 2010 SS (hers) Join Date: Jun 2008
Location: Arizona
Posts: 90
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Figure out if her car has the FACTORY TIRE SIZE on it.
If she has taller or shorter profile tires than stock, the speedo will be off. |
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#4 |
![]() ![]() ![]() Drives: 2014 BRM 1SS/RS Join Date: Sep 2011
Location: Tampa, Fl
Posts: 1,058
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Or one of those speed signs!!
__________________
2014 Blue Ray Metallic 1SS/RS A Road Warrior |
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#5 |
![]() Drives: 2010 camaro ss ls3 Join Date: Jan 2011
Location: ny
Posts: 45
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gps
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#6 |
![]() Drives: Camaro V6 LS Join Date: Jul 2011
Location: SoCal
Posts: 81
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^ What he said.
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#7 |
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Drives: 2016 1LT RS Camaro; 72 Chevelle Join Date: Apr 2008
Location: Central Point, OR
Posts: 5,685
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How old is her car?
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#8 |
![]() Drives: 2010 Camaro 1LT RS Join Date: Jun 2010
Location: USA
Posts: 219
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she told me her car tires were new and bigger size, but she also drove a truck one night and swears she wasn't driving over the speed limit when she clearly was, so thats 2 different cars, i doubt they are both messed up
but i hope mine isn't messed up |
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#9 |
![]() Drives: 2010 Camaro 1LT RS Join Date: Jun 2010
Location: USA
Posts: 219
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her car is a late 90 or early 2000 model i believe
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#10 |
![]() Drives: 2010 Camaro 1LT RS Join Date: Jun 2010
Location: USA
Posts: 219
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gonna try the gps if i can find it
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#11 |
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Definitely try gps. Any standalone unit or smartphone will tell you your current speed and they are pretty damn accurate.
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#12 |
![]() Drives: 2010 2ss RJT LS3 GONE.... Join Date: Aug 2011
Location: GILBERT,ARIZONA
Posts: 720
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Actually I have tested this with an Android APP and it was pretty accurate, free to download and if you have 3g-4g connection speed it will work great, turn on app and just drive and watch your phone from time to time, speed will increase as you do, also calculates road elevation by feet! good luck
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#13 |
![]() ![]() ![]() ![]() ![]() ![]() ![]() Drives: 2017 1SS Blue Join Date: Mar 2010
Location: Saint Peters, MO USA
Posts: 2,064
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Any Garman or TomTom GPS will give you an accurate MPH reading.
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#14 | |
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Switchin' n Twitchin'
Drives: 2011 Camaro Join Date: Nov 2010
Location: Chula Vista, CA (Eastlake)
Posts: 3,145
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Quote:
__________________
I am not childish, you're just being a poopy head!
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