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Sedans Toyota Avalon Toyota Avalon 2005-
14778 messages, Last post on Nov 25, 2009 at 4:53 PM
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Replying to: necro1234 (Dec 24, 2008 4:04 pm) The weight of a vehicle has very little to do with vehicle top speed, whatever it is. Reason: "Objects in motion tend to stay in motion...." The weight of a vehicle has everything to do with how long it takes to acheive top speed from rest. Reason: "Objects at rest tend to stay at rest...." For top speed limitations the single biggest factor is air, also known as aerodynamic drag (Cd). A smaller engine of less power can easily propel a different vehicle to a higher top speed if the body of the second vehicle is more aerodynamic. Physics 102... Enjoy an Avalon today... Great Cars.. 
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Ta for the reply. Very true, I did not think of that. I've seen video's though with a (supposedly) stock standard R32 hitting 170mph, I wouldnt have thought the aerodynamics of the vehicle would have allowed it to get to that speed without more power. Especially on further research that for the 2008 R32 the Drag coefficient is listed as been .32 where the Avalons body is listed as been .29, would this not mean the car with the .29 coefficient would cut through the air better? Thanks again Sheldon
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Replying to: necro1234 (Dec 24, 2008 5:45 pm) 
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Replying to: johndjr (Dec 13, 2007 5:48 pm) |
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This also applies to '07-'08 Camrys. The "check engine" and VSC lights came on, so I took it to the dealer. They tell me that I have to replace the O2 sensors and the intake manifold. The cost was $1,800. I have 45,000 miles and just passed 36 months. There is a Toyota Service Bulletin (T-SB-0114-08). Does anyone know anything about this? Is it common? What about the repair cost? Help! I am livid...this is supposed to be Toyota's top-of-the line car. So what's with a repair like this, only 9,000 miles out of warranty?
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Replying to: Modad55 (Jan 10, 2009 11:41 am) The intake manifold itself is a major engine component and, absent some very unusual situation, is seldom replaced. You need to ask "why" as to this part. In addition, it may be part of the powertrain warranty and replacement may be free, if needed. Suggest you try another dealer, this one is very suspect, based on your information. Post your results. Hope this helps.
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Replying to: Modad55 (Jan 10, 2009 11:41 am) |
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Replying to: fin (Jan 10, 2009 1:25 pm) |
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Replying to: fin (Dec 24, 2008 5:12 pm) Ok, aerodynamic is a big factor in many designs. Coefficient of drag for most family cars we see on the street doesn’t differentiate to the point to account for significant difference in vehicle speed. Here’s this question: which will accelerate faster from rest, a two-cylinder motorcycle (standard specs; no fancy bike) or a Caterpillar truck generating, say, 2000 ft-lbf of torque? …and for the sake of this argument, the bike will leave the Caterpillar in the dust too. Do you all think it is only the drag factor that will give the edge to the bike? If so, think again. Amaury '08 Limited
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Replying to: amauhry (Jan 13, 2009 3:05 pm) The bike that may push out far lower torque and bhp also has hardly any weight to deal with, which of course is a different story with the caterpillar. Least thats my thought on it Cheers Sheldon |
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