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4WD & AWD systems explained

1376 messages,  Last post on Nov 23, 2009 at 9:11 AM

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What is this discussion about? Chevrolet Suburban, Jeep Grand Cherokee, Subaru Outback, Ford Explorer, Nissan Pathfinder, GMC Envoy, Performance Mods, Tires, Suspension, Transmission, Truck, SUV


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#1276 of 1376
Re: Proof that 90/10 is not the limitation [ateixeira] by chelentano
May 19, 2008 (2:56 pm)
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Replying to: ateixeira (May 19, 2008 5:58 am)

>> My ramp challenge still stands. We've all seen a Forester with the electronically controlled variable transfer clutch successfully climb with only one axle at a time
  
You are bragging again about that Subaru sales video made at Subaru dealership. A subaru salesman is the last person I’d trust. May be Forester can power up a ramp in subaru paid video at subaru dealership, but otherwise it's seems to be tough to do in a real life conditions. The humiliating Subaru AWD real life uphill performance is well depicted here:
  
http://www.youtube.com/watch?v=-tMgWtlxeb8&NR=1
http://youtube.com/watch?v=g6H3IOtE6Q8
http://www.youtube.com/watch?v=guTQWkpPFa4
#1277 of 1376
Re: Proof that 90/10 is not the limitation [kdshapiro] by chelentano
May 19, 2008 (3:02 pm)
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Replying to: kdshapiro (May 19, 2008 7:07 am)

>> interesting contrast to the Evo's Twin Clutch SST >> Isn't that 60 year old technology as well?
 
Some 60-year old technologies still remain advanced for many with limited financial and technologial resources. Nuclear technology is a good example.
#1278 of 1376
Re: Proof that 90/10 is not the limitation [chelentano] by kdshapiro
May 19, 2008 (4:30 pm)
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Replying to: chelentano (May 19, 2008 3:02 pm)

Some 60-year old technologies still remain advanced for many with limited financial and technologial resources. Nuclear technology is a good example.
 
Well I guess the STIs 20 year old technology is better, and more advanced than the EVOs 60 year technology. On the track the EVO would rule, on a dusty, dirty rallye type trail the STI would rule. A good example of technological acheivement being less useful.
#1279 of 1376
Re: Proof that 90/10 is not the limitation [chelentano] by kdshapiro
May 19, 2008 (4:31 pm)
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Replying to: chelentano (May 19, 2008 2:55 pm)

What other evidence do you need? Do you really think you know more than NY Times, cars101.com, Wikipedia, Popular Mechanics, Edmunds.com, Car and Driver and Subaru of America? “I guess you can't handle being wrong”.
 
Well, yes if you talk to the right people to find out the "real" story. :shades OR, you can't admit someone might know something you don't
#1280 of 1376
Re: Proof that 90/10 is not the limitation [kdshapiro] by chelentano
May 19, 2008 (4:49 pm)
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Replying to: kdshapiro (May 19, 2008 4:30 pm)

>> Well I guess the STIs 20 year old technology is better, and more advanced than the EVOs 60 year technology.
 
Well, you "guess" in fact! What's the STIs 20 year old technology? 6-speed manual tranny? It's little longer that that. The subaru AWD is in fact 20-years old, while EVO's Twing Clutch SST and S-AWC AWD both are brand new generation.
.
 
>> on a dusty, dirty rallye type trail the STI would rule.
 
"Would"? That's your wishfull thinking :--)
#1281 of 1376
Re: Proof that 90/10 is not the limitation [chelentano] by paisan
May 19, 2008 (5:15 pm)
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Replying to: chelentano (May 19, 2008 4:49 pm)

Obviously you know nothing of the STi's AWD technology it's a 6MT w/DCCD.
 
Driver would determine who is faster in both Rally and Track events.
 
I've ran around guys in EVOs with my 1994 Subaru Legacy Turbo on track, because I'm a better driver.
 
I've had guys in Civics with 90hp kick my butt because they were better drivers than I.
 
Can we all agree to disagree on this? A lot of people here are merely bench-racing which is better, and we all know that in actual use what may appear better on paper will not necessarily be better in real-life situations.
 
-mike
#1282 of 1376
Re: Proof that 90/10 is not the limitation [kdshapiro] by chelentano
May 19, 2008 (5:19 pm)
Reply

Replying to: kdshapiro (May 19, 2008 4:31 pm)

>> Well, yes if you talk to the right people to find out the "real" story. :shades OR, you can't admit someone might know something you don't
 
Yea, "talk to right people", and the you "MIGHT" find out the real story!
"I guess you can't handle being wrong"
#1283 of 1376
Re: Proof that 90/10 is not the limitation [chelentano] by dcm61
May 19, 2008 (5:41 pm)
Reply

Replying to: chelentano (May 19, 2008 2:55 pm)

The existence of “fuse” interface is not a prove, it’s your wishful thinking. They might just left it for future development.
 
Huh? You put the fuse in and it disengages the transfer clutch, which eliminates all power to the rear axle (i.e. 100% of the power goes to the front axle).
#1284 of 1376
Re: Proof that 90/10 is not the limitation [paisan] by chelentano
May 19, 2008 (6:23 pm)
Reply

Replying to: paisan (May 19, 2008 5:15 pm)

>> Obviously you know nothing of the STi's AWD technology it's a 6MT w/DCCD.
 
Whatever DCCD means it's still about 20 years old and EVO's SST is brand new.

.
 
>> Driver would determine who is faster in both Rally and Track events.
 
Sure, driver is important but so is technology. Mitsu Pajero consistently wins Dakar Rally 12 times, 7 years in a row with all kinds of drivers.
 
Speaking of EVO, the BBC armature driver keeps up well the Evo 8 MR FQ400 with professional racer on Lamborghini:
http://youtube.com/watch?v=9y6lIaGZA4w
 
This is amazing car. It produces 406 hp, from its only 2.0 L turbo engine, not to mention 1.0g handling. At 203 hp per litre, it has one of the highest specific output per liter of any roadcar engine. With a weight of around 3200 lb, it achieves a 0-60 mi/h in 3.5 seconds, better then The $600,000 Porsche Carrera GT - 3.9 seconds, or BMW M3 - 5.3 seconds.
The BBC TopGear Power Laps rating has it on 25th spot ahead of Lamborghini, Porche, Lotus, BMW, Viper and MB. The STI is on the 54th place still very good result ahead of some Porches, BMW, Audi, Aston Martin:
http://www.bbc.co.uk/topgear/show/powerlaps.shtml
 
Also Edmunds.com road test where STI came third and the EVO X MR equipped with new Twin Clutch SST came first: http://www.youtube.com/watch?v=Gn0UkrPvPmc
#1285 of 1376
Re: Proof that 90/10 is not the limitation [chelentano] by paisan
May 19, 2008 (6:30 pm)
Reply

Replying to: chelentano (May 19, 2008 6:23 pm)

DCCD is only about 5 years old.
 
DSG is not brand new, MB and BMW have had em for at least 10 years, even a low end VW has a DSG. Haaaaa.
 
Anyway, let's just let it drop cause these are all very good AWD systems, both the Mitsu and the Subie. We are splicing hairs arguing over them, not to mention wasting time and space on here....
 
-mike

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