Sudden increase in top speed.
#1
Sudden increase in top speed.
I have had my 8 for about 3 months now and although I've learned alot, I still dont know what its doing at all times. My car always beeped in second gear at 61 mph. Now for some reason it reaches 66. I recently changed gas stations for my fill-ups. Could gas quality really change that much?
#2
Anatomy of a corner...
It's common sense, simply changing gas does not affect the gearing of the transmission, and thus will not affect the speed of each gear. More likely, you simply held the gas pedal longer or there is a certain tolerance where the beep will occur. Nothing to worry about.
FS
FS
#3
What happened? Dont just say its nothing to worry about. You sound like my dealership..... O it reaches 65 now at 9,000 rpms and it used to reach 61 hmmm o well everything sounds fine....
#4
Sorry I blew up. Just tired of people saying everythings fine when stuff changes. I did everything the same 2 days ago as I do now and it reaches higher speeds before redline..... I dunno.
#5
Anatomy of a corner...
No problem. I hate it when the dealer tells me things are "normal" too.
I think it might be maybe the tachometer has a certain tolerance and maybe the weather or something is causing the buzzer to go off at a higher RPM. I just hear the beep and shift
I think it might be maybe the tachometer has a certain tolerance and maybe the weather or something is causing the buzzer to go off at a higher RPM. I just hear the beep and shift
#8
The only thing that could explain that is an error or variance in the speedometer reading. (or rpms) Your car will ALWAYS be at the same rpm and any given speed....period, no exceptions. In a manual transmission speed and rpms for each gear are a constant ratio, and that ration never ever ever changes. The only way to go faster or slower in second gear at the same rpms (9k in this example) is to change the actual gear, and since this is a physical change that would have to be made, I think we can rule that out. :wink:
edit: Tire wear won't make a 5 mph difference at ~65MPH I would guess that from brand new, to fully worn tires you would be sitting at a <1mph difference. Tire pressure is fairly similar, and if they were low enough to make a big difference I would sure hope you would notice the crappy handling before the speed difference.
edit: Tire wear won't make a 5 mph difference at ~65MPH I would guess that from brand new, to fully worn tires you would be sitting at a <1mph difference. Tire pressure is fairly similar, and if they were low enough to make a big difference I would sure hope you would notice the crappy handling before the speed difference.
Last edited by 2k4_8; 05-17-2007 at 04:31 PM.
#9
The tires are all at 90%. And I just filled and checked the pressure last week.Not to shoot down your ideas or anything... Def changed 5 mph overnight tho, Any other ideas?
#16
Banned
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I just think it follows a preset curve to where it thinks the fuel cut will be hit and warns preemptively.
American market-driven products are increasingly predictive.
Americans want cars that drive themselves so we can spend more time on the cell phone.
#20
#21
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Three studies, 2 British, one Canadian and the Mythbusters are all in agreement.
Of course, the American studies were funded by Verizon and Sprint....
#22
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So if driving while talking on your cellphone is just as bad as drinking but the problem can be solved with a hands free unit like bluetooth then it should also apply to drinking as well.
Beer hats for everyone!
Beer hats for everyone!
#24
Banned
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Yes and yes.
Test after test, drivers that were asked simple questions (repeat a number, describe simple tasks, recite the alphabet) and then were confronted with obstacles.
Reaction times were often 10 or 15 times longer and simple acts like maintaining a speed or stopping at an exact point were almost completely impaired.
They found that, when asked the same questions at the same rate, there was no statistical difference between the phone conversation and the one held with a passenger.
I think where the difference would lie is that the passenger, being aware of the driving situation, would cater their end of the conversation to the obstacles the driver was facing.
Its not likely your passenger would ask you to recite the alphabet as you mowed down an orange cone.
Test after test, drivers that were asked simple questions (repeat a number, describe simple tasks, recite the alphabet) and then were confronted with obstacles.
Reaction times were often 10 or 15 times longer and simple acts like maintaining a speed or stopping at an exact point were almost completely impaired.
They found that, when asked the same questions at the same rate, there was no statistical difference between the phone conversation and the one held with a passenger.
I think where the difference would lie is that the passenger, being aware of the driving situation, would cater their end of the conversation to the obstacles the driver was facing.
Its not likely your passenger would ask you to recite the alphabet as you mowed down an orange cone.
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