WRXpert

"Rusty Vandura - www.tinyurl.com/keepoppo" (rustyvandura) 03/13/2016 at 19:28 • Filed to: None

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Can the WRX be driven in RWD mode or must it always be AWD? Is the BRX the only true RWD Subaru?

BmanUltima's car still hasn't been fixed yet, he'll get on it tomorrow, honest. > Rusty Vandura - www.tinyurl.com/keepoppo 03/13/2016 at 19:34

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BRZ you mean?

Aaron Brown > Rusty Vandura - www.tinyurl.com/keepoppo 03/13/2016 at 19:35

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no ‘RWD mode’

full-time AWD

BRZ is RWD

STI you can play with the diff

4muddyfeet - bare knuckle with an EZ30 > Rusty Vandura - www.tinyurl.com/keepoppo 03/13/2016 at 19:35

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No, not without modification, and; No, because it’s really a Toyota.

BrianGriffin thinks “reliable” is just a state of mind > Rusty Vandura - www.tinyurl.com/keepoppo 03/13/2016 at 19:41

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I know in regular Subarus there’s a fuse that disables the AWD; it’s used for if the car has the temp spare and makes it go FWD only. Not sure about the WRX. It’s a bad idea to try.

Modders have had success in installing electronics that allow you to alter the torque split. Assuming that the WRX is similar to the way other current Subarus vector their AWD, I doubt you'd ever be able to have 100% of torque to the rear wheels. I don't know about that, though.

TheD0k_2many toys 2little time > Rusty Vandura - www.tinyurl.com/keepoppo 03/13/2016 at 19:45

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Remove front driveshaft and axle shafts then weld center diff and TA-DAHHH

PS9 > Rusty Vandura - www.tinyurl.com/keepoppo 03/13/2016 at 19:45

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BRX...I got excited for a moment thinking there was an AWD 300HP BRZ variant out there somewhere, before remembering that Scooby feeds off of enthusiast tears. Curse you.

Boxer_4 > Rusty Vandura - www.tinyurl.com/keepoppo 03/13/2016 at 19:51

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The WRX is full time AWD only. The STI has an adjustable center differential that can send more power to the rear wheels on demand, but is still always AWD.

Other than the BRZ, the 360, R-2, and non-AWD Sambar kei vans and kei trucks are RWD. The original prototype full-size Subaru (P1), was RWD, too.

and 100 more > TheD0k_2many toys 2little time 03/13/2016 at 19:58

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This has been done. Next step is to replace the shattered rear diff after 30k since it was never designed to propel the car by itself.

Rusty Vandura - www.tinyurl.com/keepoppo > 4muddyfeet - bare knuckle with an EZ30 03/13/2016 at 20:03

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Will you elaborate on the Toyota part?

Boxer_4 > BrianGriffin thinks “reliable” is just a state of mind 03/13/2016 at 20:04

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Just to add, the FWD fuse is only on the automatic transmissions.

4muddyfeet - bare knuckle with an EZ30 > Rusty Vandura - www.tinyurl.com/keepoppo 03/13/2016 at 20:06

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‘tis all here:

https://en.wikipedia.org/wiki/Toyota_86

OPPOsaurus WRX > Rusty Vandura - www.tinyurl.com/keepoppo 03/13/2016 at 20:13

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U need to stay away from all wrxs

OPPOsaurus WRX > 4muddyfeet - bare knuckle with an EZ30 03/13/2016 at 20:17

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Brz yes xrw no

4muddyfeet - bare knuckle with an EZ30 > OPPOsaurus WRX 03/13/2016 at 20:20

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xrw no what?

OPPOsaurus WRX > 4muddyfeet - bare knuckle with an EZ30 03/13/2016 at 20:23

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Type-o WRX had nothing to do with toyota

Rusty Vandura - www.tinyurl.com/keepoppo > OPPOsaurus WRX 03/13/2016 at 20:25

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Because WRX is bad or because I am bad?

Rusty Vandura - www.tinyurl.com/keepoppo > 4muddyfeet - bare knuckle with an EZ30 03/13/2016 at 20:27

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Interesting. But that 86 is RWD and the WRX is AWD.

4muddyfeet - bare knuckle with an EZ30 > OPPOsaurus WRX 03/13/2016 at 20:31

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I didn’t say that it did. I was just stating that the BRZ isn’t a rear wheel drive Subaru because it’s mostly a Toyota. I don’t think any of the Imprezas were ever touched by Toyota. As far as I’m aware the only Subaru Toyota collaborations are the mid 00's Camry and the BRZ/FRS. Although as always I am absolutely open to the fact that I am wrong on all counts.

4muddyfeet - bare knuckle with an EZ30 > Rusty Vandura - www.tinyurl.com/keepoppo 03/13/2016 at 20:37

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I know. I’m not sure I understand your point. You were asking if the WRX has a RWD mode. It does not. You also asked if the BRZ was the only true RWD Subaru. It is not, because it’s not a true Subaru to begin with.

Party-vi > Rusty Vandura - www.tinyurl.com/keepoppo 03/13/2016 at 20:38

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Subaru models have full-time AWD. They have a default split of between 45F:55R up to 60F:40R. Most systems can shuffle power to a 50:50 split between front and rear. The only vehicle sold by Subaru without AWD is the BRZ.

Rusty Vandura - www.tinyurl.com/keepoppo > 4muddyfeet - bare knuckle with an EZ30 03/13/2016 at 20:50

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Yes, you understood me correctly. And your final sentence above clarifies your point. Thanks.

Rusty Vandura - www.tinyurl.com/keepoppo > Party-vi 03/13/2016 at 20:52

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Thanks. I am partial to RWD and it’s hard to find. Interesting to me that Toyota would build a Boxer-engined car.

4muddyfeet - bare knuckle with an EZ30 > Rusty Vandura - www.tinyurl.com/keepoppo 03/13/2016 at 20:54

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Sorry, I didn’t mean the above to come across so arsey. Probably time for me to put my work down and go to bed.

OPPOsaurus WRX > Rusty Vandura - www.tinyurl.com/keepoppo 03/13/2016 at 21:01

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the WRX is awesome, your bad for wanting to make it RWD. It is an amazing machine.

OPPOsaurus WRX > Rusty Vandura - www.tinyurl.com/keepoppo 03/13/2016 at 21:03

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maybe i misunderstood the question. I thought you wanted to convert it to RWD. If thats true, than what i’ve said stands and you shouldn;t be allowed within 100' of one. If you were just asking about the possibilities of the operating system than I am soory for freaking out and your on. I think the STI could be selected up to 80 or 90% to the rear, but the STI has a different dif than the WRX and the WRX is locked ina t whatever it is, probably 50/50

Rusty Vandura - www.tinyurl.com/keepoppo > 4muddyfeet - bare knuckle with an EZ30 03/13/2016 at 21:10

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Not even a little bit.. And that Toyota/Subaru relationship is interesting. My niece’s husband has a BRZ and I’ll ask him if he realizes that it’s really a Toyota, which will be interesting.

4muddyfeet - bare knuckle with an EZ30 > Rusty Vandura - www.tinyurl.com/keepoppo 03/13/2016 at 21:14

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Let’s hope he doesn’t hate Toyota then, although it would spark an interesting conversation over dinner.

Rusty Vandura - www.tinyurl.com/keepoppo > OPPOsaurus WRX 03/13/2016 at 21:17

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If I’m bad, it’s for wanting to wear out rear tires. And I’d also be bad for liking the sound of Boxer engines. As well, I’d be bad for wanting four doors and a B-pillar and a trunk. So the BRZ would be out and, I am schooled here, is actually a Toyota. And I never, ever said anything about converting!

It’s all good. I hardly know a thing about Subaru, but if it doesn’t snow, what’s the point of the AWD?

Rusty Vandura - www.tinyurl.com/keepoppo > 4muddyfeet - bare knuckle with an EZ30 03/13/2016 at 21:23

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I’m a huge fan of Toyotas built right around 1990. I own an ‘89 Camry and a 91 Corolla Base and they are definitely the best cars I’ve ever owned. Hands down, no contest. That was Toyota’s Golden Age. Now, they’re meh . That little Corolla is nice to drive on a windy road, too. I keep them well maintained and they are very dependable, even at 225k miles.

The Wiki article would probably say, but is the Boxer engine in the BRZ a Subaru engine?

OPPOsaurus WRX > Rusty Vandura - www.tinyurl.com/keepoppo 03/13/2016 at 21:24

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you dont need snow to use AWD, it grips all the time, always. I was blown away at its abilities in the rain. You’ve just hit a sore spot for me with the WRX

Rusty Vandura - www.tinyurl.com/keepoppo > OPPOsaurus WRX 03/13/2016 at 21:24

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Sore? Please explain.

OPPOsaurus WRX > Rusty Vandura - www.tinyurl.com/keepoppo 03/13/2016 at 21:30

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this was mine and now its not. i miss it greatly

Rusty Vandura - www.tinyurl.com/keepoppo > OPPOsaurus WRX 03/13/2016 at 21:38

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Ah. And is that snow ?

4muddyfeet - bare knuckle with an EZ30 > Rusty Vandura - www.tinyurl.com/keepoppo 03/13/2016 at 21:38

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You know, I always thought it was but the Wiki article states it’s Subaru’s horizontally opposed engine design with the addition of Toyota’s D-4S injection system. Also that specific engine code (FA20) was only ever used in the BRZ. That said, if Subaru didn’t build it I’d be extremely surprised, they are the experts on the technology, after all.

Party-vi > Rusty Vandura - www.tinyurl.com/keepoppo 03/13/2016 at 22:52

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IIRC the chassis was designed by Toyota with the drive/powertrain provided by Subaru.

Braniff747SP > Rusty Vandura - www.tinyurl.com/keepoppo 03/13/2016 at 23:42

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AWD always. You can play with the diff in the STi, but you can never go all-RWD.

Rusty Vandura - www.tinyurl.com/keepoppo > Party-vi 03/13/2016 at 23:46

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The Wiki article says it was a Subaru block and Toyota ignition system. Really interesting. Oppos can school ya’.

Rusty Vandura - www.tinyurl.com/keepoppo > Braniff747SP 03/13/2016 at 23:48

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What’s with the screen name? That’s a pretty niche-market airplane and livery.

Rusty Vandura - www.tinyurl.com/keepoppo > Braniff747SP 03/14/2016 at 00:01

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What’s your connection to that aircraft?

Braniff747SP > Rusty Vandura - www.tinyurl.com/keepoppo 03/14/2016 at 00:04

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That’s the point! You read it and immediately that picture comes to mind. “American757" is a lot less meaningful...

I made it years ago for aviation forum and I’ve used it ever since. Most folks around here don’t recognize it - you’re into aviation?

Rusty Vandura - www.tinyurl.com/keepoppo > Braniff747SP 03/14/2016 at 00:28

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Yes, very much so. You've chosen a rather obscure bird. I wondered if you were a mechanic or an old pilot or something. My parents were divorced and I flew a lot as a kid.

Boxer_4 > 4muddyfeet - bare knuckle with an EZ30 03/14/2016 at 00:38

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The FA20D (the FA20 variant used in the BRZ/FRS/GT86) is a Subaru designed and built engine, with the addition of Toyota’s direct injection system (Toyota’s only major contribution to the engine). The engine does have a Toyota engine code (4U-GSE), but that’s mainly just for Toyota’s own internal affairs. All engines used in these cars (as well as the cars themselves) are built in Subaru’s own facilities in Japan.

The FA20F (the turbo variant of the FA20) can be found in the latest Forester XT and WRX, the Levorg, and the late model Japanese 5th generation Legacys. This engine uses Subaru’s own direct injection system, rather than the Toyota system but is mostly the same otherwise.

Braniff747SP > Rusty Vandura - www.tinyurl.com/keepoppo 03/14/2016 at 01:21

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Well, it’s one way to find folks who know what they’re talking about, that’s for sure.

Braniff was gone ~14 years before I was born, so I’m afraid I never had the pleasure of flying with them. Merely an enthusiast.

You flew on the -SP?

Rusty Vandura - www.tinyurl.com/keepoppo > Braniff747SP 03/14/2016 at 01:26

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Nope. Just took an interest in airliners post WWII. Dash-80, 707, 714 (kc-135). I’m not sure I’ve ever flown on a 747. Plenty of 707s as a kid. Born in ‘64.

Braniff747SP > Rusty Vandura - www.tinyurl.com/keepoppo 03/14/2016 at 01:46

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Ah, I see.

In that time frame, sounds like you’ve flown on a great deal of incredible airplanes I’d kill to get on today. Last 707s in commercial service were with Saha Air, and they’ve been gone a couple of years now. That ship has sailed for me, unfortunately.

It’s always nice to find airliner folks around these parts - cheers.

Rusty Vandura - www.tinyurl.com/keepoppo > Braniff747SP 03/15/2016 at 10:10

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http://oppositelock.kinja.com/hushkitted-707…