C5 Questions
Thread Starter
Racer
Joined: Apr 2008
Posts: 272
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From: ARROYO GRANDE CA
C5 Questions
I've got a few (maybe dumb) questions.
(1) Someone told me that when you have HUD it takes a special windshield?
(2) The previous owner installed 19" & 18" C6 wheels on my C5, how far off do you think my speedo is?
(3) When I press the 'Auto' drivers window button I have to hold it on so the window will go up & down. Any thoughts?
Thanks for reading...
Mark
(1) Someone told me that when you have HUD it takes a special windshield?
(2) The previous owner installed 19" & 18" C6 wheels on my C5, how far off do you think my speedo is?
(3) When I press the 'Auto' drivers window button I have to hold it on so the window will go up & down. Any thoughts?
Thanks for reading...
Mark
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From: Wisconsin
Thread Starter
Racer
Joined: Apr 2008
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From: ARROYO GRANDE CA
Lots of info there.
Le Mans Master
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From: Oswego IL
Thread Starter
Racer
Joined: Apr 2008
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From: ARROYO GRANDE CA
Drifting
Joined: Dec 2011
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From: San Gabriel Valley California
St. Jude Donor '14-'15
Go out on the highway, with your Garmin GPS (or whatever you have). It will give you accurate mph. Compare with your speedometer at 60, 70, etc. You'll know if it's off a little. It won't be much.
Time yourself on the interstate between mileposts. 60 seconds per mile at 60 mph. Compare with your speedometer.
Don
Time yourself on the interstate between mileposts. 60 seconds per mile at 60 mph. Compare with your speedometer.
Don
Pro
Joined: Jul 2010
Posts: 666
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From: western springs illinois
I've got a few (maybe dumb) questions.
(1) Someone told me that when you have HUD it takes a special windshield?
(2) The previous owner installed 19" & 18" C6 wheels on my C5, how far off do you think my speedo is?
(3) When I press the 'Auto' drivers window button I have to hold it on so the window will go up & down. Any thoughts?
Thanks for reading...
Mark
(1) Someone told me that when you have HUD it takes a special windshield?
(2) The previous owner installed 19" & 18" C6 wheels on my C5, how far off do you think my speedo is?
(3) When I press the 'Auto' drivers window button I have to hold it on so the window will go up & down. Any thoughts?
Thanks for reading...
Mark
But owners have used the regular windshield and although not perfect, it works.
Z06 shield is lighter...
Enjoy
Racer
Joined: Dec 2012
Posts: 260
Likes: 1
From: Cape Coral FL
Go out on the highway, with your Garmin GPS (or whatever you have). It will give you accurate mph. Compare with your speedometer at 60, 70, etc. You'll know if it's off a little. It won't be much.
Time yourself on the interstate between mileposts. 60 seconds per mile at 60 mph. Compare with your speedometer.
Don
Time yourself on the interstate between mileposts. 60 seconds per mile at 60 mph. Compare with your speedometer.
Don
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Thread Starter
Racer
Joined: Apr 2008
Posts: 272
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From: ARROYO GRANDE CA
Go out on the highway, with your Garmin GPS (or whatever you have). It will give you accurate mph. Compare with your speedometer at 60, 70, etc. You'll know if it's off a little. It won't be much.
Time yourself on the interstate between mileposts. 60 seconds per mile at 60 mph. Compare with your speedometer.
Don
Time yourself on the interstate between mileposts. 60 seconds per mile at 60 mph. Compare with your speedometer.
Don
Thread Starter
Racer
Joined: Apr 2008
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From: ARROYO GRANDE CA
Thread Starter
Racer
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From: ARROYO GRANDE CA
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St. Jude Donor '07-'08,-'13-'14, '16-'17
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From: Reno is so close to Hell you can see Sparks , State Of Confusion
St. Jude Donor '12-'13-'14
I've got a few (maybe dumb) questions.
(1) Someone told me that when you have HUD it takes a special windshield?
(2) The previous owner installed 19" & 18" C6 wheels on my C5, how far off do you think my speedo is?
(3) When I press the 'Auto' drivers window button I have to hold it on so the window will go up & down. Any thoughts?
Thanks for reading...
Mark
(1) Someone told me that when you have HUD it takes a special windshield?
(2) The previous owner installed 19" & 18" C6 wheels on my C5, how far off do you think my speedo is?
(3) When I press the 'Auto' drivers window button I have to hold it on so the window will go up & down. Any thoughts?
Thanks for reading...
Mark
#2. Your speedo will not be off to my knowledge.
#3. You always have to hold it going up for safety reasons, But should go down with a quick tap, If you hold it too long it will stop when you remove your finger .
Thread Starter
Racer
Joined: Apr 2008
Posts: 272
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From: ARROYO GRANDE CA
Thread Starter
Racer
Joined: Apr 2008
Posts: 272
Likes: 0
From: ARROYO GRANDE CA
Thanks for the help
Racer
Joined: Dec 2012
Posts: 260
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From: Cape Coral FL
http://tire-size-conversion.com/spee...r-calibration/
Thread Starter
Racer
Joined: Apr 2008
Posts: 272
Likes: 0
From: ARROYO GRANDE CA
Use this one, or one like it. Original tire size should be posted on a label on the car. Plug the OEM numbers in and the ones you currently have to determine speedo effect. But really, the garmin or smartphone app is better.
http://tire-size-conversion.com/spee...r-calibration/
http://tire-size-conversion.com/spee...r-calibration/
R2R, I did the smartphone app and it shows about 3 MPH faster than my speedo.
Thanks for your insight.
Mark
Last edited by always1961; Jul 24, 2014 at 01:15 PM. Reason: new response
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From: Reno is so close to Hell you can see Sparks , State Of Confusion
St. Jude Donor '12-'13-'14