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youtube: Skyactiv explained

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Old 01-26-2013, 05:28 PM
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I'd love to see a skyactive motor in the Mazda 2's. It seems kind of embarrassing to have an SUV that's rated the same MPG as your super small, underpowered, econobox. A 35/45mpg Mazda 2 would make them MUCH more attractive than the current 29/35, and it certainly doesn't seem terribly unrealistic.
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Old 01-26-2013, 05:44 PM
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Originally Posted by Chilicharger665
If Mazda does not put this in a CX5, then they are truly stupid. I would buy an AWD model with the diesel instantaneously.
Every market other than US already has this diesel in the CX-5...

I have it in my CX-5 AWD auto and am currently seeing 33mpg city.
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Old 01-27-2013, 12:17 AM
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Originally Posted by lassi
Every market other than US already has this diesel in the CX-5...

I have it in my CX-5 AWD auto and am currently seeing 33mpg city.
How much can you tow with it?
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Old 01-27-2013, 12:20 AM
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Originally Posted by pdexta
I'd love to see a skyactive motor in the Mazda 2's. It seems kind of embarrassing to have an SUV that's rated the same MPG as your super small, underpowered, econobox. A 35/45mpg Mazda 2 would make them MUCH more attractive than the current 29/35, and it certainly doesn't seem terribly unrealistic.
You know whats funny? Since the engine in it right now is so pathetic, they could even call it a Mazdaspeed! More mpg and horsepower.
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Old 01-27-2013, 12:22 AM
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Kind of off topic but does anyone know if the AWD used in CX5's is "real" or just a bit of torque vectoring nonsense?
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Old 01-27-2013, 12:32 AM
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AWD refers to vehicles that can power all 4 wheels, doesnt matter if they are are all open diffs including the transfer case.
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Old 01-27-2013, 12:49 AM
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Originally Posted by Chilicharger665
How much can you tow with it?
He said 2000KG earlier in the thread, so 4400 LBS.
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Old 01-27-2013, 02:38 AM
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Well that pretty much seals the deal. If Mazda offers the diesel/AWD combo in the US I will buy one. I will be ecstatic if I could buy it with a manual as well but thats not likely. This way I can retire my Mazdaspeed as a DD and make it a track car, with the CX5 being my DD/tow vehicle.
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Old 01-27-2013, 02:40 AM
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Originally Posted by triple88a
AWD refers to vehicles that can power all 4 wheels, doesnt matter if they are are all open diffs including the transfer case.
I don't know much about all this so what do you want if your requirement is to drive safely on ski trips? If the CX5 has nothing but open diffs does it even help in snowy situations?
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Old 01-27-2013, 06:53 AM
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Originally Posted by Chilicharger665
I don't know much about all this so what do you want if your requirement is to drive safely on ski trips? If the CX5 has nothing but open diffs does it even help in snowy situations?
I don`t know all the details other than it has been called a "haldex" type system with a max rear bias of 50%.

I don`t know how the roads in your area is, and I have yet to really put it to the test, but so far I have been impressed. It`s not an offroad vehicle, but the AWD is more than enough to get you to the slopes...
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Old 01-27-2013, 02:08 PM
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awd system with all open difs is garbage. 1 wheel turns while the other ones dont. Some old subbies had this. Some manufacturers use the brakes to fix that so some power goes to the rest of the wheels. Many use limited slip diffs. The hard core offroad trucks use locking axles of some sort but thats for more main stream offroad models such as the hummers and wranglers.

Personally my fav is the common part time 4wd models (wranglers,fjs and tons of others use this system). Those simply disconnect/connect the front wheels directly. This means that its only rear wheel drive until you turn 4wd on. At that point both driveshafts are locked directly and theres no slipping possible.
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Old 01-27-2013, 03:39 PM
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Originally Posted by triple88a
awd system with all open difs is garbage. 1 wheel turns while the other ones dont. Some old subbies had this. Some manufacturers use the brakes to fix that so some power goes to the rest of the wheels. Many use limited slip diffs. The hard core offroad trucks use locking axles of some sort but thats for more main stream offroad models such as the hummers and wranglers.

Personally my fav is the common part time 4wd models (wranglers,fjs and tons of others use this system). Those simply disconnect/connect the front wheels directly. This means that its only rear wheel drive until you turn 4wd on. At that point both driveshafts are locked directly and theres no slipping possible.
That's all well and good if you're willing to deal with a body on frame construction and the added weight and mechanical drag of a traditional transfer case.

I disagree that they are garbage. Perhaps back in the day if they were utilized without any sort of traction control but with the newer vehicles they employ awd systems very effectively.
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Old 01-27-2013, 04:52 PM
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Dont know if any of the diffs are limted slip or not, but I absolutely don`t care as I am not going offroad in this thing. Nor am I planning to take it ice racing or sliding around on the street.
This car is a utility that will haul my gf, our soon to be first newborn, groceries and our cat offcourse. A damn nice utility for this use I might add...

I can however tell you that I have a pretty steep hill the last 100meters to my house and have tested the AWD on snow there. From a stop, mid hill, with tcs off and flooring it produced an immediate and stout acceleration leaving nothing to be desired in my experience.
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Old 01-27-2013, 04:58 PM
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SkyActive huh... well hopefully the domestic versions work better than what was debuted this weekend at the 24hrs at Daytona - all 3 of the Mazda SkyActive GX cars puked within the first 3 hours. I'd wait a year or two before concidering one - remember the re-released renesis in the early RX8?

Not dissing the car or engine - but for now I'll stick with my 7.3L Turbo Diesel Excursion
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Old 01-27-2013, 05:01 PM
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Skyactiv is nothing new... It's really just direct injection and some spiffy swirling. failing in a racing application in LM really has very little to do with street reliability...

The RX8 was a failure because the rotary is a failure. Cool engine, no doubt, but not practical.
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Old 01-27-2013, 05:19 PM
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It would be interesting to see if there ever would be a racing package using a "SkyActive" petrol engine. 125+bhp/liter at 8krpm (and meeting emissions) would not hurt at all.
Where do I sign up for using my car as a mule

The SkyActive Diesels will work, it was just the car used that was wrong
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Old 01-27-2013, 05:57 PM
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Originally Posted by turbofan
Perhaps back in the day if they were utilized without any sort of traction control but with the newer vehicles they employ awd systems very effectively.
That's what i said straight open is garbage unless some sort of traction control of is used.
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Old 01-27-2013, 09:33 PM
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My brother bought a 2012 skyactiv 3 auto this summer, he's getting an average of 5L/100km on his 90% highway commute. He tells me he's hit 4.6L/100km and got 1100km from a tank!

The car is gutless if you leave it in drive but manually selecting gears lets it rev higher and seem to actually open the throttle fully. If its in drive it feels much more muted in it's acceleration.

And I'm another that's waiting for a diesel cx5, awd 6sp manual preferably.
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Old 01-27-2013, 09:49 PM
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What happened to the system that shut itself off at a stop? My friend's 2013 skyactiv 3 does not do this. Major disappoint.
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Old 01-27-2013, 09:50 PM
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Ok thanks lassi for all your real-world experience with the CX5. If Mazda offers the diesel CX5 here I will buy it.
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