I've just run im my 02 wrx sportswagon and on a private road I'd thought I'd see how fast she went. Seems to not want to rev past 6800 rpm in 4th and got to about 135 mph in 5th (eventally!) I gave up as I was running out of road. Seems to accelerate to 100 reasonably but then struggles. I'd have thought a car which is claimed to do 140 mph would show about 150 mph on the speedo? and accelerate up to 125-130 mph without too much of a problem.

Also if you throttle off and then dip the clutch quickly the revs seem to rise! is this normal? If you do a quick gear change on high revs you get a sort of surge making for a jolt when you let the clutch out....strange.

Subaru claim 215 ps at 5600 rpm. Looking at the dyno graphs for unmodified cars on power engineerings web site MY02 cars seem to produce more power and at higher revs. Have Subaru changed the spec?

Thanks in advance.

 

Manufacturers claims...

 

My '01 nearly stops dead at an indicated 120mph. It then takes an age to get around to ~145mph, where it goes no further.

I guess speeds like that are fairly academic anyway, so its gearing is set up well in respect of everyday use.

 

mine pulls all the way to 160MPH red line. STi5 TypeRA

 

Ditto john above, but in my Sti 7 showing 164 on the gps

 

Recently test my Uk300...went to an indicated 145mph

 

MY00 Turbo, decat exhaust, 145mph run out of space on private road, still climing though.

 

Mine seems to stop accelerating at 6800-6900 RPM in 5th gear.

That is 1000 RPM more than it did when totally standard, which is probably something to do with removing the speed limiter from the ECU and tuning it lightly

 

My Series McRae MY96 would pull like a train to an indicated 130mph then slowly pull round to about 145mph. The big turbo early UK cars seemed a lot happier at high revs than the later UK cars.

Also remember the Scoob has poor aerodynamics (blocky shape and bonnett scoop and the UK cars are geared high in 5th gear (25mph/1000rpm) so it wont accelerate quickly at high speed in fifth.

At the moment I'm running an Alfa 156 Selespeed 165bhp, top speed is supposed to be around 135mph, its a very slippery shape and fifth is only 20.7mph/1000rpm so even at 100mph in 5th it feels lively with the trade off being 4000rpm at only 83mph.

I bet John's RA at only 19mph/1000rpm in fifth gives you a headache after a few hours on the motorway.

Its about compromise between cruising comfort and acceleration and aerodynamics has a bigger affect than weight when you are 100mph+

Lee


[Edited by logiclee - 12/30/2002 3:18:41 PM]

 

I have a standard MY01 saloon and saw 260kph at about 6800rpm before the wife told me to slow down, AMG SLK in front of me was going even faster!

 

I dont drive quickly on the roads lee, so cruising on the motorway isnt an issue, it just sits nicely at 4000rpm tootling along. The only time it sees high speed is when i am on track, mainly at the ring. There i have a helmet on so dont hear how loud it is It's more fruity than LOUD.

The runs to 155MPH at the ring are started from a pretty fast 110MPH corner exit, probably on full throttle for about 25 seconds downhill.

 

I must admit i've found the same. On paper my previous MY99 and current Sti7 have a very simular top speed. In reality, the STI will do 150mph and the MY99 would struggle to get there..

Gareth.

 

a friend was working on my car and he told me he drove my99 uk impreza up to 155mph wasnt too impressed to hear

 

Had my MY99, full decat + K&N up to an indicated 140mph without any real trouble. It was still climbing but i bottled it as i was worried about a brush with the private road police

 

The UK 99/00 at least have a speed limiter at 144mph.

 

My 01 PPP 5dr showed 155mph and didn't seem to struggle getting there.

 

i had my my97 with a ss back box up to 152 mph indicated, p1 with full ss system up to 160 mph, indicated, so far only pushed my sti to 140 mph
mark

 

John - is that 144mph indicated on the speedo or the ecu reading? I say that as Ive had my MY00 up to an indicated 147mph before I bottled it. Dont think it would have gone much further. 150mph tops.

Simon.

 

I would assume John is talking about actual speed regardless of the speedo.

 

I've had 169.8 on the GPS, 6 degrees c, 3am, 1/2 tank of fuel, going down the autobahn

 

At Elvington in the summer (as John knows) I hit 166.6mph going through the speed trap over 1.25 miles from a standing start...in an MY98 UK...with a few mods...if I had been braver with the launch I'm sure hitting the limiter in top would have been entirely possible...

7200rpm x 24.8mph/1000rpm - 1% for 215/40/17 = an easy 175

Now all I've got to do is build the proper engine

Just a quick Edit that I would never contemplate drving this fast on the Public road...far too many things to catch you out and kill you/others...Elvington airfield though is a perfect place to try this, only parked planes and helicopters to hit there

[Edited by Tim W - 12/31/2002 3:59:51 PM]

 

Brun, why? the car doesnt have its own GPS sensor, the only measuring device it has is the speed output from the gearbox which drives the speedo display. So it would have to be indicated speed rather than actual.

[Edited by johnfelstead - 12/30/2002 6:13:12 PM]

 

Forgot to mention the speedo was going for a second lap at this point

 

Got a 160 mph in a sti4 Type R.

 

John, I've had my UK00 off the clock at an indicated 160-plus which I know from my Road Angel is defo over 150. I've done it with a PPP ECU and also the Tek3 you did for me. Is this 144 limit only on the standard ECU, then? And how what does it do to limit speed?

Richard.

 

My MY99 with light mods half decat, k&n cone filter, dawes@1.1bar did 145mph and still going with very little trouble on the way up to trax this year with two large blokes in the car.

 

I've been to enough trackdays to know how you can drive John

I don't do many motorway miles either and when I do I tend to run between 70-80mph when clear enough, 85mph being my usual maximum limit even on totaly clear motorways on my 4.30am drive to work so the low gearing doesn't bother me to much either.

Only taken the Alfa abroad once and it does get annoying when sitting at nearer 100mph, a sixth gear would be useful in this situation.

At the end of the day the Scoob was not designed with a high top speed in mind, look at something with a similar weight like a Skoda Octavia RS, 40bhp less than UK Scoob but with a higher top speed. Acceleration from standstill or powering out of bends and the tables are reversed.

Lee

 

In france i managed to get my My01 PPP'd bug eye to go off the clock, it only seemed to struggle when it got past 145mph, otherwise it just carried on accelerating, before my ppp the car went 145 and stopped with 4 ppl in the car, cant wait to go back to france to see what im gonna get now that its decatted

ScoobyDoo69

 

The soft boost cut (which does apply to PPP, some Tek maps, no Dawes cars) is based on the vehicle speed as read by the ECU. This is probably also not accurate, and also is not the same as the speedo, just to confuse things further

 

Cool.....MY94 UK Legacy Turbo.......141mph! (100,000miles on it too!)

It shoots straight up to 130mph....creeps up to 141 and feels like it just stops going any faster. I just put it down to aerodynamics (i.e. Legacy has none)

Steve