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Old 09-24-2000, 04:14 PM   #1
socal2.2
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Lightbulb Possible conclusion about O2'WRX power....

OK,this is my own humble opinion,flames will kindly be directed to the flame dept: www.kissmbutt.com

Looking at the info directly from Subaru regarding the new Supercharged ST-X coming out (which has won me over now-it is pretty practical)-I found that it will be making 230hp.

Now-I cant see a good reason at all for Subaru to make a truck-like car make more HP than it's performance flagship,and publicity getting (WRC ) Impreza.

So with this in mind-those that think that this does or doesnt effect their opinion on the WRX may now explicitly sput their opinions now.

I am saying that the Imp' will have at least 240-maybe 250hp. The cynical part of me thinks that 220hp is a likely number,also.

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Old 09-24-2000, 05:48 PM   #2
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The "performance flagship" does not necessarily have to be the most powerful - BMW's US M3 is down on power relative to almost all the big saloons, for example. The RSK B4 is more powerful than standard, 215 bhp Impreza Turbos - but the Imps are faster and wieldier.

The difference is dead weight - I suspect that the ST-X is going to need all that grunt to be able to get out of its own way.

Andy T
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Old 09-24-2000, 06:14 PM   #3
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They've already said it was going to be 215hp
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Old 09-24-2000, 06:41 PM   #4
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Who said? Subaru or a magazine?

I'm still holding to 227...20 HP loss due to emissions.

--KC
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Old 09-24-2000, 06:59 PM   #5
Opie
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We won't lose any horsepower due to "emissions", we will lose horsepower due to the lower octane fuels in the US. They will re-map the ECU in order to run on 92 Octane and that will kill off some of the horsepower.
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Old 09-25-2000, 12:52 AM   #6
IsraelGT
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You don't take the 20hp off the 247hp engine 'cause this is a Japan only engine.
Europe are getting the old Impreza GT engine (215hp) with a few modifications, which resault with a bit more torque, and flatter torque and power curves.
It will still hit 60 at around 5.5 sec!
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Old 09-25-2000, 03:40 AM   #7
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Who cares if it "only" has 215 or 220 bhp? 0-60 in 5.5 is pretty fast. It's "only" 50 more ponies than that wonderful chassis gets now. Plus, how many of us are going to leave it stock???? With the aftermarket for the EJ20 motor, I should think it will be pretty easy to get it to around 275-280bhp. In an AWD car that weighs less than 3000lbs, that is PLENTY.
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Old 09-25-2000, 04:54 AM   #8
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Opie,

I labled "Emissions" as a global sense of the term.

Doesn't ECU, among other things it does (like simultaneously check o2 sensors...wait that's an emissions component too), handle the mix of gas and air for the engine at a given RPM to give the proper mix as to retard or advance timing to cause a rich or lean condition causing reduced or increased "emission" Ha gotcha. (hehehe)

At 92, it may be more than the smog nazi's can handle, therefore, they re-map the ecu. Who knows....it'll be a while before someone cracks the case on the ECU to find out what's going on in there.

Many of the early articles about the new subie engine has told that it was made to work on the lower octanes...or was I imagining things? As in it would run on our US 92 octane or higher (at sea level, higher elevations can make due with lower octane).

--KC
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Old 09-25-2000, 07:36 AM   #9
Opie
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True, true KC.

I was thinking that the new engine would most likely pass our emission requirements in it's current form (higher octane ECU). But since the highest widely availible octane N. America gets is 92, that would be the reason for the remapping (and loss of some horsepower), not primarily to reduce emissions.
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Old 09-25-2000, 10:54 AM   #10
socal2.2
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ARgggh! You guys revel in popping my bubble here.

Oh well-heckofa good point about the truck-like heaviness that the ST-X will have to drag around.
Oh well-we will only know what they are thinking when the cars get here.
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Old 09-25-2000, 07:19 PM   #11
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I have no doubt that the presence of a factory supercharger for the 2.5 litre motor will do nothing but good - yes, the Legacy chassis does weigh a lot, but think about the reliable power you could make and the performance you could achieve. Assuming the engine doesn't change dramatically, American RS owners could shoehorn those ST-X oily bits into an Impreza, or bolt them onto a regular Legacy and create their very own B4 RSK.

Here's a q: would this make Subaru unique amongst auto manufacturers for having both supercharged and turbocharged cars in its line-up?

Andy T


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Old 09-25-2000, 07:43 PM   #12
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Cool

are you guys sure that the st-x is going to be supercharged? it could come with the 6 cyl when all is done and said. and if they can supercharge a 2.5 from subaru, why can't we on our rs?
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Old 09-25-2000, 07:44 PM   #13
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Here's my $.02

The engine that the US gets will most likely be the Japanese engine. Why would Subaru federalize the old engine this year, just to do it again in a year or two? Costs for federalization that I have heard are over $100,000 per engine; not chump change. My guess is that it is taking an extra couple or three months to get it here over Europe and Australia because of this.

With this in mind, 230 sounds like a plausible number since the remapped ECU will be dealing with lower octane fuel as Opie stated.

I have no idea what's going on with the Canadian model, but I think that is the referrence being made by 'tulit' at 215 bhp.

No matter the initial HP, anyone have ideas on what the possible upgrades will be? I bet an ECU will be the first cheap one to make it to 280 bhp.
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Old 09-25-2000, 08:55 PM   #14
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Unhappy

I couldn't get your link to work

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Old 09-25-2000, 09:21 PM   #15
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c-valle LOL!!!
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Old 09-25-2000, 10:10 PM   #16
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Hahahaa! The internet,a great addition to society! LOL
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