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1403 messages, Last post on Apr 24, 2009 at 12:20 PM
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Only the '04 and '05 used the STI block. The '06 moved to the WRX block in conjunction with the WRX going from 2.0 to 2.5L. The 210hp numbers for the '04 and '05 are widely viewed as Subaru sandbagging on paper so as not to offend potential buyers of the WRX (rated at 227hp at that time, I think). Then in 2006 it was corrected to 230hp, and from there it has dropped a little I think only due to changes in calculation methods. Nothing has really changed with the engine since its inception, other than the switch from the STI block to WRX block as mentioned above. Essentially each year puts out about the same power in stock form, with the STI blocks maybe having a case for being a safer engine to modify to super-high power levels. However I think there have been slight gearing changes over the years (check the cars101 website) that has slowed 0-60 times a little in order to improve upon fuel economy. Doug
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Replying to: erikwi (Jul 26, 2007 5:56 pm)
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Replying to: dstew1 (Jul 27, 2007 2:48 pm)
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Replying to: kavoom (Jul 27, 2007 3:20 am) |
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Replying to: erikwi (Jul 27, 2007 4:49 pm) Check out some of the reviews on Tire Rack; I believe there are several that mention the bite the tire seems to have in the snow. It also received excellent snow/ice scores during testing (note it's only scored against other high performance all seasons, not dedicated snow tires). Doug
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Replying to: erikwi (Jul 26, 2007 5:56 pm) There is no harm to use the shift lever manually in the 4EAT, in fact I've been told that is why it is gated. I would suggest for stop/go driving around town where you'll be keeping it under 40 or 50mph, select "3" instead of "D". This will keep you out of 4th gear and makes it easier/quicker for your tranny to downshift into 2nd under harder acceleration. Also the 4EAT is adaptive, so if it's behaving a certain way, that is largely due to your own driving habits. Driving aggressively will result in higher shiftpoints and quicker downshifts; driving like a grandma will result in quite the opposite. Doug |
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Replying to: dstew1 (Jul 27, 2007 2:41 pm) I was told the Forester XT (2.5T engine) had the STI block, so it was the other way around. It has the semi-closed deck block, like the STI does. Also, when they went from 210 to 230hp, the peak boost did increase a little. I do agree the early 210 hp models were sand-bagged, big time, and made more power at the dyno than the 227hp WRX 2.0T did.
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Replying to: ateixeira (Jul 30, 2007 9:50 am) If you mean that only the '04 and '05 XTs got the STI block, then yes. As an '06 owner it is beaten into my head almost every day over on the sf.org forums by the '04/'05 owners. I'm of the belief that it doesn't really matter that much except in the most extreme of circumstances; ie the STI block probably holds a slight edge in durability when it comes to big time engine mods. The '06+ on the other hand got rid of the cat in the uppipe that was on the earlier years. They've got plenty of info about the changes to the block from the '05 to the '06 version over there, if you care to look into it. Doug
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Replying to: dstew1 (Jul 30, 2007 11:54 am) Should not make any difference with stock tuning. For those that do heavy mods I would seek out the earlier block, though. |
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Replying to: dstew1 (Jul 29, 2007 4:45 am) I keep mine at 36 lbs pressure all the time as I don't mind the hard ride and that improves mileage and actually seems to cut the squeal. The mechanics told me they see 32 lb tires wearing on the outside all the time... but a lot of people like that mushy soft ride of the 06's forward. I call the suspension engineering designs and boosted power steering after 05 as the "soccer mom" changes... The Geosquealers are the same...
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