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333 messages, Last post on Oct 12, 2007 at 5:58 PM
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Replying to: 1offroader (Sep 24, 2007 5:06 pm) Not true. More cogs helps to ensure that the engine stays at optimum efficiency more of the time, thereby reducing the need for more throttle input while waiting to achieve RPM nirvana. Other factors come into play as well, such as the availability of the power and the engine speed at which peak torque is achieved. If the torque peak is reached at a higher RPM in one vehicle versus another, the one in which peak torque is reached earlier will tend to get better fuel economy. The Tundra has a broader torque curve than Chevy's 6.0 and more gears, and I'll bet it has no trouble achieving at least 18 mpg on the highway. |
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Replying to: anythingbuttoy (Sep 24, 2007 4:45 pm) You're buyin' this? You love it because it reinforces what you would like to think. The first thing I think when I read this is that it completely contradicts everything else I have read about the Tundra and everything I have personally known about Toyota's in general. In my readings I find that it has the sportiest handling of all trucks and has a high quality feel to all of its parts - even the hard plastic dash. No Toyota I have ever driven or looked at on a showroom floor has had anything even remotely tinny about it, but quite to the contrary, has been notably solid and really, almost over-engineered. Toyota is anything but dumb or short-sighted and they have spent a lot of $$ making sure the new Tundra is ready to play with Detroit. The guy is either a fake or just plain ignorant. Also with regard to the silver paint rubbing off, I'm curious to see this as my wifes new Sienna Limited has some silver trim on the dash at knee level, and it's a quality piece. It appears that the silver mixed in with the plastic, not painted on. but it is at least a very high quality piece, even if it turns out to be painted. I can say that it doesn't even have a single scratch on it today, in spite of my wife's big purse smacking into it every time she drives it, or my daughter throwing her metal framed backpack at it when riding to school. I would think if it can withstand this, it ought to be able to hold up at least as well to a knee covered in jeans. Again, I have not examined the Tundra up close... just find it curious to have so many contradictions to traditional Toyota quality popping up -only in the forums... |
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Replying to: 1offroader (Sep 24, 2007 7:06 pm) The final drive ratios and gearing are factors, but far from the final chapter in the story of fuel economy. The chances of a Tundra driver with a 6-speed and a Silvy driver with a 4-speed getting the same economy are slim, factoring in vehicle weight, power/torque curves, engine technology available, aerodynamic drag, driving conditions, driver input, road conditions, drivetrain applications, payload/towing usage, etc. Maybe you should tell me you want a 4-speed instead and be done with it. The comparison does mean zip, because you are better off with the 6-speed for both acceleration and/or economy purposes, depending on your needs, if you are of normal intellect. The fantasy island you live in, where every factor will be equal between two unequal trucks, is ready for YouTube, but not a serious discussion. If you want 4-speeds please, take the 4-speed! Just don't advertise it as something of any particular value against a better tranny. I'm trying to give you some credit here..... DrFill
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Replying to: drfill (Sep 25, 2007 5:00 am) |
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Or read much period, this being the 3rd time I've posted this, I am not a car salesman. And, to repeat, no two trucks are alike, or will be treated alike. Therefore gear ratios are a factor, but not the final factor, in acceleration and/or economy. If you want a 4-speed over a 6-speed in your vehicle, raise your hand and be counted. DrFill
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Replying to: drfill (Sep 25, 2007 10:52 am) Ooooooook if you say so.....seriously doubt anyone will believe you. Oh that's right you're a TOYOTA SALESPERSON....
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Replying to: obyone (Sep 25, 2007 11:24 am)
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Replying to: 12ozcurls (Sep 25, 2007 1:44 pm) |
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Replying to: anythingbuttoy (Sep 25, 2007 3:55 pm) Well ok lets see doesnt the chevy silverado 5.3 have cylinder deactivation of some sort? like dodge? Toyota doesnt have this on their 380hp tundra and gets the same or better mpg towing or not towing then a 5.3 vortec with 4.10 gears. Gears do matter but so does the engine I would like to see GM put out their direct injected engines out already to see how they line up against toyotas direct injected. I dont expect much from toyotas specs for the 5.7 direct injected landcruiser since they are sand baggers. It'll be an interesting match when ford and dodge come out with their new redesigned 1/2 tons Cant wait for SEMA either |
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Replying to: drfill (Sep 25, 2007 5:00 am) Better tranny? Why, beacuse it has 2 more gears? Well, maybe if the reliability was there too, but since it's NOT, then I'd say the proven reliable 4 spd is the "better" tranny. You may want to spend some time over at TS convincing all of the several posters/owners who have had their 6 spds replaced, some more than once, and others with problematic replacements. Good luck!!! Let me guess, your dealership has not seen any of these failed trannys yet have they? |
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