- #10891 of 10945
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Re: 07, 4 cylinder, AWD Question [nimrod99]
by andrelaplume
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May 02, 2008 (10:37 am)
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Replying to: nimrod99 (May 01, 2008 1:38 pm)
shouldn't the 4 cylinder do better....btw, his old 6 cylinder did better...what gives here?
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- #10892 of 10945
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Re: 07, 4 cylinder, AWD Question [andrelaplume]
by nvbanker
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May 03, 2008 (1:46 pm)
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Replying to: andrelaplume (May 02, 2008 10:37 am)
Generally, that is the accepted theory - but it is possible under certain driving conditions especially, for the 6 to exceed the mileage in the 4 cylinder. The weight and drag co-efficient are more determinant of the gas needed to move the mass, than the number of cylinders doing it. Again, especially under certain driving conditions.
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- #10893 of 10945
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Re: 07, 4 cylinder, AWD Question [andrelaplume]
by typesix
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May 03, 2008 (2:04 pm)
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Replying to: andrelaplume (May 01, 2008 11:28 am)
I have 2004 4 cyl 2wd Highlander rated 27 mpg on highway and have no problem getting that figure at 65-70 mph. Believe the 2007 awd 4cyl is rated at 25 mpg, if he's doing very fast speeds, no 25 mpg is possible.
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- #10894 of 10945
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Spare tire
by jackmick656
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May 03, 2008 (3:49 pm)
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I have never used the spare tire on my 03 HL and I am ready for a set of tires. My question is, can I buy three new Integtity tires and use my spare as the fourth tire? I am concerned about deterioration of the spare over the last five years. Any replies would be appreciated. Thanks.
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- #10895 of 10945
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Re: Spare tire [jackmick656]
by mikefm58
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May 04, 2008 (6:38 am)
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Replying to: jackmick656 (May 03, 2008 3:49 pm)
I plan on doing exactly that as well. We had to replace a flat tire a couple years ago so I left that one as the spare. Now I need new tires so I'll just buy 3 more of the exact kind.
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- #10896 of 10945
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Re: Spare tire [jackmick656]
by lmacmil
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May 04, 2008 (6:39 am)
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Replying to: jackmick656 (May 03, 2008 3:49 pm)
I have read the Ford is recommending that tires be replaced after 6 years regardless of mileage. I think the tire companies have similar recommendations. You can probably find more info via a Google search.
I personally wouldn't put a 5 year old tire on one of the driving wheels. I'd keep it as the spare.
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- #10897 of 10945
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Re: Spare tire [lmacmil]
by steve_ HOST
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May 04, 2008 (8:09 am)
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Replying to: lmacmil (May 04, 2008 6:39 am)
Haven't heard the latest but....
"Safety advocates have urged NHTSA to set tire expiration dates -- and NHTSA is yet to rule on those. Sean Kane, president of Safety Research & Strategies, submitted details Wednesday of 108 accidents linked to tread separation of tires more than 6 years old that resulted in 85 deaths."
circlew, "BMW 3-Series Run Flat Tires" #694, 25 Dec 2006 7:58 am
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- #10898 of 10945
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Spare tire
by jackmick656
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May 04, 2008 (9:48 am)
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Thanks for the input, gives me a lot to think about. I will probably keep the spare where it is and buy 4 new tires. Any suggestions on tire selection. I live in the low desert of So Cal where the average summer temp is 106 degrees and we see rain maybe twice a year. Thanks again.
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- #10899 of 10945
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Re: 07, 4 cylinder, AWD Question [typesix]
by andrelaplume
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May 05, 2008 (5:33 am)
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Replying to: typesix (May 03, 2008 2:04 pm)
He's no Mario Andretti! He does have AWD and I guess that dramatically impacts mpg...thought we get 25 highway with our AWD 2006 RAV. Dad feels the vehicle weighs too much for the engine. The service dept now says there is nothing to adjust and that winter gass adititves are probably killing the mpg...should see improvement over the summer. Who Knows!
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- #10900 of 10945
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Re: Spare tire [jackmick656]
by lmacmil
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May 05, 2008 (9:15 am)
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Replying to: jackmick656 (May 04, 2008 9:48 am)
Check out Tirerack.com for reviews of tires in the size you need. Sounds like you don't need to worry about snow traction like us poor suckers in the midwest.
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