car and driver INCORRECT!!
car and driver INCORRECT!!
well guys, a friend of mine has a black 35oZ, and he decided one day to see how fast he could get her up to (no we dont do this often) anyway, car and driver claims a top speed of (i believe 153mph) well with him and I in teh car, we tapped at 158mph before we slowed, and i must admit, the car was very stable even at thta speed, you could feel the nose lift up however and it got somewhat scary, as things are then going by so quick and your vision begins to tunnel somewhat, anyway, figured id share my experience, and now of course, i want a Z even more, his is now on 2o's :ylsuper and looks VERY sexy
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boileralum00
- Posts: 217
- Joined: Tue Jul 23, 2002 10:23 am
- Car: 94 Miata, 95 FZR600R
we were just going by the speedo, which i know isnt always THAT accurate, and i wasnt pointing a finger at car and driver, i just thought it was interesting that we got it all hte way up to 158boileralum00 wrote:Did you use a radar gun to determine top speed like C&D, or were you reading the speed off the speedometer of the car (which are almost never 100% accruate)?
yea it was very fun, a lil scary, but there was no one out there but us, so his job was to hold onto the steering wheel and look straight ahead, while i checked the speedo, and it read 158, so give or take 3mph or so, and the car was stable even at those speeds, he says he still had a smidge of pedal left, and after climbing up to almost 16o, i figured we'd better back off, dont know how long our luck would last ya know, i doubt we'll ever do that again
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KoukiS14
- Posts: 2000
- Joined: Mon Mar 31, 2003 8:35 pm
- Car: 2005 G35x - Lakeshore Slate / Stone
- Contact:
AZ-ZBum wrote:Take along a hand held GPS if you decide to do it again. Speedometers only have to be calibrated to within 10% of true speed. So even though the speed-o read 158, you could still have been going only (only?) 143.
They're not generally off that far. . the speedo in my rodeo was off 1 mph at 60 mph. . (59 was actual speed). . . I checked the speedo in my S14 at 100 mph (with a GPS unit), and it was only off by a bit over 1 mph.
Even so, speedometers still work off a percentage of accuracy in a given speed range. Critical speeds are generally from 25-85. Similar, but at the same time different, than how a scale is calibrated to be closest to accurate throughout a specified range...the range the scale is intended to work in. A bathroom scale isn't very accurate when weighing fruit, but is good at weighing people. A semi-truck scale isn't very accurate if you stand on it, but is closer to accurate with a loaded tractor-trailer on it.
Remember that the indicated speed is being figured by revolutions of the drivetrain. A change in tire pressure(as well as a change caused by heat), tread depth, or both, or other factors, all equate to how many revolutions the drivetrain makes....affecting indicated speed.
Today's speedos are quite accurate, but even so, there is still a margin, or percentage, of accuracy/inaccuracy.
-Phil
Remember that the indicated speed is being figured by revolutions of the drivetrain. A change in tire pressure(as well as a change caused by heat), tread depth, or both, or other factors, all equate to how many revolutions the drivetrain makes....affecting indicated speed.
Today's speedos are quite accurate, but even so, there is still a margin, or percentage, of accuracy/inaccuracy.
-Phil
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boileralum00
- Posts: 217
- Joined: Tue Jul 23, 2002 10:23 am
- Car: 94 Miata, 95 FZR600R
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NissanDriven240sx
- Posts: 14
- Joined: Mon Aug 04, 2003 5:42 pm
- Car: My Car
Is the car bone stock? If not he could have a modification that would allow removal of the top speed limiter. Also, 20's on a sports car is ridiculous. I understand most 350z owners get 19's only because stocks are 18's anyway, so at least get a lil' bigger, but 20's is overkill. They belong on an SUV or a 4 door, not a sports car.
) and the car as BONE STOCKFind Your Forum!