160 MPH in 4th gear!!!
Burning Brakes
Joined: Dec 1999
Posts: 1,104
Likes: 0
Re: 160 MPH in 4th gear!!! (rbeckham)
Just keeping this thread alive because it's so interesting and I've learned alot, yet I'm, bored - I think I'm ADD! All I know is I hit 160 in 5th and ran out of road - these cars sure are fast and stable at high speeds.
Advanced
Joined: Jan 2002
Posts: 72
Likes: 0
From: L T
Re: 160 MPH in 4th gear!!!
hey man if you really did do this, sue the origianl owner of your car. By my calcualtions the numbers are right on if you have 2.73's. You know the 3.42 gears are desierable for an auto car and he may have thought that heck he is selling the car mine as well make some money off the original parts. I belive that it is possible for this to happen. Further more i wish that people would help you identify the problem with your car instead of calling names. with that said check and see what gears you have. Let me know how the law suit goes.
Burning Brakes
Joined: Apr 2001
Posts: 844
Likes: 3
From: Kennewick, Wa. USA
Re: 160 MPH in 4th gear!!! (QuickSilver97)
Now, how then can I tell how "off" my speedometer is? It seems really accurate at around 60 MPH, but how can I find anyone stupid enough to drive next to me at 150 MPH to see how far off it is?
Tech Contributor
Joined: Oct 1999
Posts: 41,062
Likes: 9,824
From: Charlotte, NC (formerly Endicott, NY)
Re: 160 MPH in 4th gear!!! (Adam Bruce)
Adam,
I used to agree with you about tire circumference and may still agree with you in the future but I had a learning experience a couple of years ago and am still coming to terms with it. My son used to work at Bosch as an ABS/Brake System engineer. One vacation he drove home one of their test vehicles that was set up to use the wheel speed sensors to detect a flat tire. It seems that as a tire goes flat that its effective radius changes even though its circumference does not. This causes the tire to rotate faster and the wheel speed sensor can pick it up. Now Bosch like any other company doesn't usually invest money in ideas that have no basis in fact so I have to believe what he told me was true. But I still have trouble with the radius changing and the circumference staying the same.
Bill
I used to agree with you about tire circumference and may still agree with you in the future but I had a learning experience a couple of years ago and am still coming to terms with it. My son used to work at Bosch as an ABS/Brake System engineer. One vacation he drove home one of their test vehicles that was set up to use the wheel speed sensors to detect a flat tire. It seems that as a tire goes flat that its effective radius changes even though its circumference does not. This causes the tire to rotate faster and the wheel speed sensor can pick it up. Now Bosch like any other company doesn't usually invest money in ideas that have no basis in fact so I have to believe what he told me was true. But I still have trouble with the radius changing and the circumference staying the same.
Bill
Thread Starter
Race Director
Joined: Mar 2001
Posts: 14,480
Likes: 132
From: PA
Re: 160 MPH in 4th gear!!! (antirice)
hey man if you really did do this, sue the origianl owner of your car. By my calcualtions the numbers are right on if you have 2.73's. You know the 3.42 gears are desierable for an auto car and he may have thought that heck he is selling the car mine as well make some money off the original parts. I belive that it is possible for this to happen. Further more i wish that people would help you identify the problem with your car instead of calling names. with that said check and see what gears you have. Let me know how the law suit goes.
Thread Starter
Race Director
Joined: Mar 2001
Posts: 14,480
Likes: 132
From: PA
Re: 160 MPH in 4th gear!!! (Untouchable00)
Get another guy from the forum from PA to go with you next time. Case closed.
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Joined: Jun 2001
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From: Houston, TX
Re: 160 MPH in 4th gear!!! (QuickSilver97)
I agree with the guy a few days back - get a GPS and check your speed. I have one, unfortunately I am not close. But it's not hard to get one for around $100 now. Go to a boat supply store and see if someone hanging around has one he'll let you try out. Of couse, you could also just have someone drive along side you and check your speed.
