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09-08-2010, 04:40 PM | #19 |
Drives: 2008 Polar White LB Auto Join Date: Oct 2008
Location: Metro Detroit
Posts: 1,238
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Agreed :D
But you would be surprised at how many are not as smart as a fifth grader lol. (not talking about anyone of us on YW heh) Was their any particular reason anyone knows of as to why Toyota cheaped out on giving us a tach on the manual, yet the Sedan S comes with one? I mean even a base model Mazda 2 comes with a small, yet functional tach.
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I live my life a quarter pounder at a time. And for those 500 calories or more, I'm free. I need FRIES! Two of them. The big ones. Oh, and I need them tonight. You're lucky the double shot of BBQ sauce didn't blow the seam on your nugget box. There she is, 2 pounds of pure beef. My dad ate it in 9.0 seconds flat. Check it out, it's like this. If I lose, winner takes my happy meal. But if I win, I take the burger and the toy. To some people, that's more important. |
09-08-2010, 04:58 PM | #20 |
Drives: 2010 Yaris "5-door" Join Date: Mar 2009
Location: Upper Waiakea Forest Reserve
Posts: 170
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I pretty much cruise between 1600-2000 rpm all the time, where it has plenty of (gentle) acceleration on modest hills and never complains. (1.5 liter 5 speed manual)
My old FX usually has to stay above 2000 because there's no torque left at lower RPM. |
09-08-2010, 06:12 PM | #21 | |
Half a Bubble Off Plumb
Drives: 2009 Yaris Sedan Join Date: Mar 2009
Location: Bristol, Tennessee, USA
Posts: 1,593
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Quote:
The other thing that most people have forgotten about now is that crankshafts have torsional vibrations with resonant frequencies. A couple of generations ago, it was common for inline 6 and 8 cylinder engines, with their very long, slender crankshafts often supported only by 3 main bearings, to have "critical speeds" in the low operating speed range. There was a fundamental torsional resonant frequency that could be excited by the power pulsations of the engine at a certain, usually rather low speed. Pushing the engine hard at that speed would cause rapidly increasing vibrations that could quickly result in a broken crankshaft. Sometimes there were similar resonant torsional vibrations in driveshafts, and either could cause the violent shuddering of the car I mentioned. Engineers tried to keep the critical speeds below where most people would drive and drivers were warned not to lug the engine. Modern engines have much stiffer crankshafts, better main bearing support, often are equipped with harmonic balancers to damp crankshaft vibrations, and typically don't have critical speeds in their operating range. It's of historical interest only, but the old warnings about damage from "lugging" go on like people still slow down on the highway to see what the problem was hours after the wreck has been cleared away. |
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09-08-2010, 07:05 PM | #22 | |
Drives: '09 Yaris carmine red 2d HB Join Date: Jun 2009
Location: Middletown, NY
Posts: 1,502
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Quote:
It's basic physics my friend. |
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09-08-2010, 07:08 PM | #23 |
Half a Bubble Off Plumb
Drives: 2009 Yaris Sedan Join Date: Mar 2009
Location: Bristol, Tennessee, USA
Posts: 1,593
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There is no such added resistance of the trans input shaft. You're right, it is basic physics.
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09-08-2010, 08:00 PM | #24 | |
Drives: '09 Yaris carmine red 2d HB Join Date: Jun 2009
Location: Middletown, NY
Posts: 1,502
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Quote:
If there was no added resistance, there would be no need for different gears. The sole prupose of the various gears is to overcome the added resistance at the input shaft when needed. I'm too old to argue that 1+1=2 |
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09-09-2010, 11:43 AM | #25 | |
Drives: '09 Yaris carmine red 2d HB Join Date: Jun 2009
Location: Middletown, NY
Posts: 1,502
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Quote:
It can most likely be originally be traced to cost cutting measures. Coporate accountants live in an esosteric, alternate reality. |
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09-09-2010, 12:59 PM | #26 |
Yaris = <3
Drives: '08 Sedan - Flint Mica Join Date: Jan 2009
Location: Halifax, NS Canada
Posts: 217
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The Canadian manual versions have a tach.
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..:'; Nick ;':.. ============================== 2008 Yaris Sedan - Flint Mica ============================== Debadged Rear; Blue Interior Styling; Toyota Sports Pedals; AM Exhaust Tip; OEM Spoiler; Upgraded Speakers; Sony Xplod BT 2600 Deck; Infinity Basslink SUB/AMP in Trunk; 16" Konig Rims; 6000k HID Bi-Xenons; 6000k HID Fogs; NST Short Shifter ============================== |
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