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#19 |
![]() ![]() ![]() ![]() Drives: 3-door hatch Join Date: Oct 2010
Location: Los Angeles
Posts: 519
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I agree. These cars only have a 1.5l engine. If you think the Yaris is bad, my IS300 5-speed, with the 3l, 2JZGE inline 6, unbelievably revs even higher (about 3300rpm @ 70 in 5th gear) than my Yaris 5-speed. But that low (numerically higher) rear end gives it a lot more pep than 200hp really should. But mileage really takes a beating, the best I ever got out of it is 30MPG at a steady, cruise controlled, 70MPH...
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#20 |
![]() ![]() ![]() Drives: 2008 5 sp. LB Join Date: Oct 2010
Location: Idahoi
Posts: 268
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Higher and higher gearing can be overdone. Just try driving the 5 speed in top gear at 35 mph and see how good of mileage you get. While the rpm's may be construed as "high" (relative to what....) the engine is not working hard/manifold pressure is low. Granted it is a balancing act, and in theory I'd like a 10 speed to play around with, but I don't sweat not having a higher gear in my Yaris as much as I do not being able to open my rear windows!
I've seen different airplane drivers fooling around with ground adjustable pitch props, going coarser and coarser (like higher and higher gearing) hoping and getting lower revs at a certain cruise speed, but you reach a point where the economy doesn't improve past a certain point. Let's face it the Yaris is a inexpensive car, so the engineers' split the difference, a 5 speed instead of a 6 is one of those compromises. If you are obsessed with lower revs at a certain speed, it would be more practical to get larger tires and wheels. Keep in mind they'd weigh more and raise the vehicle thus more drag, probably canceling out any gains in MPG. |
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#21 | |
![]() ![]() Drives: 2007 Yaris LB Join Date: Mar 2011
Location: E. Oregon
Posts: 130
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#22 |
Only Timing Chains
Drives: 09YarisSedan, 94Truck22re Join Date: May 2011
Location: Georgia
Posts: 145
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I'm sorry but what yall are forgetting to take into account is that in Europe out 1.5 comes with a 6speed
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#23 | |
![]() ![]() ![]() ![]() Drives: 2010 Yaris Sedan Join Date: Oct 2010
Location: Kentucky
Posts: 529
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Quote:
Echo was 3.54 final ratio. Yaris appears to be 3.72 That is only 5% different...sure seems more. The diesel in Eruope has a six speed with 3.55 final ratio and more overdrive on the higher gears. It would be nice to get ahold of one of those it it would bolt to a gas engine. |
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#24 |
Only Happy When it Rains
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obviously, and we don't have the right gearing with the stock transmission. You just get a wider spread of better with more gears.
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Colin Chapman disciple |
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#25 |
![]() ![]() Drives: 2008 Yaris 3dr Hatchback Join Date: Oct 2010
Location: New Orleans
Posts: 43
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Well you are correct if the last gear for a 5 speed was the same as a 6 speed. I was looking at the transmission in the car now, but wishing it was 6 gears instead of 5. Which would obviously make the 6th gear a different ratio than the 5th.
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#26 |
![]() ![]() ![]() Drives: 2008 5 sp. LB Join Date: Oct 2010
Location: Idahoi
Posts: 268
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I had a Dodge Colt in the early 80's, made by Mitshibushi. It had a two speed transfer case, and a 4 sp. tranny. It was a ball to drive, having two speeds in reverse was fun also! The concept never seemed to catch on, they only did it for a couple years I think.
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#27 |
![]() Drives: 2007 Blue Yaris Hatch Join Date: Aug 2007
Location: Placerville
Posts: 32
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It's always a compromise. More gears cost more. But more features attract more buyers, if the price is right. Price it too low, and Toyota wouldn't make enough $ per unit.
I think it's geared pretty good. A six or more speed would be nice, but my car was so affordable when I bought it, it was a selling point. And the way the engine was designed and with the small displacement, it would be a complete dog at 2000 rpm at cruise speed. To change your speed or to go up even a slight hill, you would have to downshift. In the Mustang world, it's the opposite situation, most everyone wants to make the engine spin more for more acceleration! ![]() |
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#28 | |
Only Happy When it Rains
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Quote:
The problem is 1st gear and fifth gear are terrible. 1st is too short, even stock cars can spin the front tires too easily, and 5th gear is basically worthless, the difference between 4th and 5th is barely noticeable. They should have stayed with the gearbox from the echo. Or at least 5th should be a proper overdrive gear.
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Colin Chapman disciple |
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#29 |
1NZ-6spd
Drives: '05 6-Spd Vitz RS Join Date: Oct 2008
Location: Oshawa, Ontario, Canada
Posts: 2,967
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That would be me...
![]() The thing is, I'm getting better millage now with the 6 speed even though it revs HIGHER than the stock transmission. @100km/h it's now turning 2950rpm instead of 2600. Process that one ![]() It's not about revving lower, it's about running the engine more efficiently. And for the most part in the city I don't need any more than 2000-2500 in any situation because the gears are SO close together. But if you're inclined to swap out an echo 3.5 F/D into the yaris, I have my old tranny guts for sale. |
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#30 |
![]() Drives: 2009 Blazing Blue Liftback Join Date: May 2010
Location: Orlando
Posts: 13
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Anybody figure out to drop a Camry V-6 in a yaris hatch yet?
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#31 |
1NZ-6spd
Drives: '05 6-Spd Vitz RS Join Date: Oct 2008
Location: Oshawa, Ontario, Canada
Posts: 2,967
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Yes. But you'll need one of these.
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#32 | |
Not quite a noob
Drives: e46 325 Join Date: Jul 2009
Location: edmonton
Posts: 1,408
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#33 |
Only Happy When it Rains
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I can't possibly think it would be worth it, unless you had a spare camry engine and can do all the work yourself.
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Colin Chapman disciple |
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#34 | |
![]() ![]() ![]() ![]() ![]() Drives: yaris 08 sedan Join Date: Oct 2008
Location: Montreal Canada
Posts: 1,286
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Quote:
As for keeping a inexpensive econobox for 20 years? the rust will get it long before the engine wears out. Expect to get a new econobox every 10 years. |
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#35 | |
Only Timing Chains
Drives: 09YarisSedan, 94Truck22re Join Date: May 2011
Location: Georgia
Posts: 145
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Quote:
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#36 | |
![]() ![]() ![]() ![]() ![]() Drives: yaris 08 sedan Join Date: Oct 2008
Location: Montreal Canada
Posts: 1,286
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Quote:
As for keeping the same car for 20yrs,? i'd get bored with the same old car after about 5-6 years or 200K maybe if the car was a specialty car i could see it but a plain old Yaris? |
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