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Turbocharged

 

Yours at 7s is quite fast already. Sat in a friend's one and tested it using the torque app getting data from the OBD2 port and it was hard to get it below 8s. Closer to 9s most of the time.

You mean for the 2.5 GT model also lidat? [knife]

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Twincharged

You mean for the 2.5 GT model also lidat? [knife]

 

Ya. But he didn't really launch it hard. Just take foot off the brake and floor the accelerator only.

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Let me sum it up. (for SG autobox model with some light mod and tuning)

 

1.) Take off from standstill, unless you willing to torque brake, even old Toyota Crown Taxi will pull ahead initially for split second if the Taxi drop clutch.

 

2.) Actually, even if you torque brake, not impressive from standstill.

 

3.) Against all the DSG/DI/ modern gearbox turbos, forget about say 0-30 kph. Confirm lose.

 

4.) Once up to speed, then can fight and win (if the other guy not too highly modded).

 

5.) Sweet spot for this car is mid range acceleration and speed (accelerating from 100 to 200 is very fun). Can surprise and irritate a lot of more expensive machines (esp 4-5+ years ago but now cars generally all faster) It is really for grand touring style driving. Unfortunately in SG, cant really use it without breaking laws severely. Can only play up north.

 

That sums it up for me. Maybe someother LGT drivers have other opinion due to their own mods.

 

 

I test drove the 2.5L Legacy at MI about 5 years ago, didn't think it was slower than a Toyota Crown taxi (if you drive it like a Subaru) across the entire rev range. Were you driving the old 2L LGT? That one is a little slower and the turbo lag is quite jialat, CMI.

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I test drove the 2.5L Legacy at MI about 5 years ago, didn't think it was slower than a Toyota Crown taxi (if you drive it like a Subaru) across the entire rev range. Were you driving the old 2L LGT? That one is a little slower and the turbo lag is quite jialat, CMI.

 

I didn't say it was slower than a crown taxi. Just that for the initial start from standstill, the 5AT paired with the low compression high boost engine is very snail like. For maybe the first 1 to 1.5 seconds. So many 'slower' cars will pull ahead in the first few feet or metres.

 

The pre-facelift 2L twinscroll actually spools up faster and might be faster in the initial start.

Edited by Ake109
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is your LGT 2.0L twinscroll or 2.5L single scroll? I'm guessing 2.5L single scroll.

 

Yup you guessed it. No torque under 2.5k. Should be ok if it was a manual but I am stuck with the 5AT.

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I didn't say it was slower than a crown taxi. Just that for the initial start from standstill, the 5AT paired with the low compression high boost engine is very snail like. For maybe the first 1 to 1.5 seconds. So many 'slower' cars will pull ahead in the first few feet or metres.

 

The pre-facelift 2L twinscroll actually spools up faster and might be faster in the initial start.

I remember the 2.5L was much faster than the 2L, maybe I drove a different 2.0L version.

 

But I love the sure footedness of the LGT.

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Yup you guessed it. No torque under 2.5k. Should be ok if it was a manual but I am stuck with the 5AT.

 

 

even with SI-drive in S#? I find S-mode to be laggy but much better in S#.

If going for sprint, I put the 5AT in manual mode too.

 

 

the 2.0L twinscrolls do pick up faster but run out of steam quickly too. I can get full torque at 2.2k rpm. Never driven a 2.5L LGT before but I couldn't keep up with a modded one on NSHW lol

 

 

btw sometime last year there was a spec B sedan with 6MT listed for sale. Didn't hv much on it's COE left though. I think it was an Aug 06 car. Dealer was asking quite a sum for it too...

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even with SI-drive in S#? I find S-mode to be laggy but much better in S#.

If going for sprint, I put the 5AT in manual mode too.

 

 

the 2.0L twinscrolls do pick up faster but run out of steam quickly too. I can get full torque at 2.2k rpm. Never driven a 2.5L LGT before but I couldn't keep up with a modded one on NSHW lol

 

 

btw sometime last year there was a spec B sedan with 6MT listed for sale. Didn't hv much on it's COE left though. I think it was an Aug 06 car. Dealer was asking quite a sum for it too...

 

Well we only have 1 map. The diff between the 3 positions is just throttle position. I mapped it with scanguage to see the throttle position and it was like roughly 65%, 85% and 100%* respectively.

 

*Well it doesn't show 100 since scanguage returns the solenoid reading and not the actual throttle position but I assumed the reading of 80+ on the solenoid mean throttle fully open.

 

I tested 0-100 (with video) on all 3 modes and surprisingly, not that much diff (boost is about 1.05, 1.15 and 1.25 bar) . The main problem is still the 1st 2 seconds where the TC is stirring the liquid and the turbo is sleeping. Doesn't matter which mode you are in, the 1st couple of seconds are still spent stirring the TC and spooling up the turbine.

 

Never liked driving in S#. Too jerky.

 

Spec Bs ask for silly money here.

 

Anyway, the car is far from perfect but given the prices here, it is still my choice since it is bang for buck.

Edited by Ake109
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Well we only have 1 map. The diff between the 3 positions is just throttle position. I mapped it with scanguage to see the throttle position and it was like roughly 65%, 85% and 100%* respectively.

 

*Well it doesn't show 100 since scanguage returns the solenoid reading and not the actual throttle position but I assumed the reading of 80+ on the solenoid mean throttle fully open.

 

I tested 0-100 (with video) on all 3 modes and surprisingly, not that much diff (boost is about 1.05, 1.15 and 1.25 bar) . The main problem is still the 1st 2 seconds where the TC is stirring the liquid and the turbo is sleeping. Doesn't matter which mode you are in, the 1st couple of seconds are still spent stirring the TC and spooling up the turbine.

 

Never liked driving in S#. Too jerky.

 

Spec Bs ask for silly money here.

 

Anyway, the car is far from perfect but given the prices here, it is still my choice since it is bang for buck.

 

 

yep u r rite - SI drive mainly adjusts throttle response and your numbers are pretty much in the ballpark.

 

the other issue for the delay is e-throttle. My previous Subarus with old school cable throttle seem to hv faster initial response, even the one with 4AT.

 

but yep, TC-subarus still hv awesome bang for buck.

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yep u r rite - SI drive mainly adjusts throttle response and your numbers are pretty much in the ballpark.

 

the other issue for the delay is e-throttle. My previous Subarus with old school cable throttle seem to hv faster initial response, even the one with 4AT.

 

but yep, TC-subarus still hv awesome bang for buck.

 

Hmm,I would have thought e-throttle wouldn't cause that much delay.

 

Was your 4AT one of those sequential turbos?

 

And yes, I noticed the SI position also affects the autobox shift pattern. Another reason why I don't like S#. I like my box to lock up as much as possible and S# seems to hate lock up. I even got my tuner to adjust my 'I' map slightly such that I get more throttle opening in I to make my I mode drivable (i.e. I wanted the I mode shift pattern but with better throttle response than standard I).

 

My next car would have been the new STi if it came with a 2.5 DI turbo. Unfortunately they are still using the same 30 year old EJ turbo. Like I mentioned in previous posts, the port injected low compression block is a real dinosaur in some ways.

Edited by Ake109
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Sorry to hijack this thread, met a white Legacy BL5 owner at Shell Sengkang yesterday evening, nicely maintained car. Sorry couldn't chat much as had to put my kid in the car.

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Hmm,I would have thought e-throttle wouldn't cause that much delay.

 

Was your 4AT one of those sequential turbos?

 

And yes, I noticed the SI position also affects the autobox shift pattern. Another reason why I don't like S#. I like my box to lock up as much as possible and S# seems to hate lock up. I even got my tuner to adjust my 'I' map slightly such that I get more throttle opening in I to make my I mode drivable (i.e. I wanted the I mode shift pattern but with better throttle response than standard I).

 

My next car would have been the new STi if it came with a 2.5 DI turbo. Unfortunately they are still using the same 30 year old EJ turbo. Like I mentioned in previous posts, the port injected low compression block is a real dinosaur in some ways.

 

my tuner also agreed e-throttle caused some hesitation compared to my ex-Subaru (he tuned both the 4AT and the current ride). It's like it has to interpret the accelerator pedal position and translate it for the ECU.

 

nope.. 4AT was on a 2.0L with TD04 (still a small turbo, so not much lag). See the silver FXT in my avatar.

 

for comparison, my current car, the LGTW is a 2.0L (dual AVCS) with stock VF44 twinscroll and SI-drive. It has shorter gear ratio compared to MI's units. That's why it picks up fast and runs out of steam even faster lol.

 

I-mode - doesn't it shift up (short shift?) very eagerly for fuel economy? I didn't like the rubber band throttle.. didn't know the tuner could adjust it. dang!

 

Also not sure what u meant by lock up. I thought the TC will lock up at higher RPM but in I-mode, since it shifts up at a lower RPM, it will tend to spend more time in slushy mode rather than locked. Maybe I didn't spend enough time in I-mode to explore it.

 

new sti going with tried n tested technology. Weird though. Guess they wanted reliability and less surprises.

 

btw are u in a Subaru or Legacy car forum? maybe we discuss further there instd of going off on a tangent here LOL. PM me.

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So many legacy owners here? The I-mode is undriveable, I never use it. I like the throttle response on the S# but don't quite like that it holds on to the gear. For any spirited driving I will kick it to manual mode with S# on.

 

I have managed to get low 7s without launching with 3 passengers and aircon on. Haven really timed my launches but I figure low 6s should be achievable.

 

My car is stock except for K&N filter and kaki exhaust.

 

Have not tune my car, is it worth it?

Edited by EXO
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So many legacy owners here? The I-mode is undriveable, I never use it. I like the throttle response on the S# but don't quite like that it holds on to the gear. For any spirited driving I will kick it to manual mode with S# on.

 

I have managed to get low 7s without launching with 3 passengers and aircon on. Haven really timed my launches but I figure low 6s should be achievable.

 

My car is stock except for K&N filter and kaki exhaust.

 

Have not tune my car, is it worth it?

 

tuning does make a big difference for turbo-charged vehicles, esp with the right tuner. Can adjust for local fuel (mine tuned with two fuel maps - ron 91 and 97), finetune AFR, ignition timing, valve timing, boost etc Mostly stuff I don't understand at all.... but I do know the end result is better FC and/or more whp and perhaps most importantly, an engine that is safe to go flat out for prolonged periods.

 

r u on LGT or LGTW?

 

when I installed kaki (mufflers only) on my LGTW the low end response became terribly muted. Felt like I was driving a 1L NA car pulling 2ton trailer. Or a 2L car with a huge-S turbo (massive turbo lag). Tuner managed to correct it and I had the car back to pre-kaki throttle response. Except it now sounds faster :P

 

If LGT, it will be catback kaki?

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On LGT. Yup the catback kaki. I don't really feel the difference in throttle response when I changed to kaki, on the other hand changing from 17(webs sport) to 18(advan) I do feel the hesitation.

 

I do frequent msia for road trips so I am hesitant to go for a tune, afraid that it will put more stress on my car. You seem to be happy with your tuner, care to share?

 

 

tuning does make a big difference for turbo-charged vehicles, esp with the right tuner. Can adjust for local fuel (mine tuned with two fuel maps - ron 91 and 97), finetune AFR, ignition timing, valve timing, boost etc Mostly stuff I don't understand at all.... but I do know the end result is better FC and/or more whp and perhaps most importantly, an engine that is safe to go flat out for prolonged periods.

 

r u on LGT or LGTW?

 

when I installed kaki (mufflers only) on my LGTW the low end response became terribly muted. Felt like I was driving a 1L NA car pulling 2ton trailer. Or a 2L car with a huge-S turbo (massive turbo lag). Tuner managed to correct it and I had the car back to pre-kaki throttle response. Except it now sounds faster :P

 

If LGT, it will be catback kaki?

 

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On LGT. Yup the catback kaki. I don't really feel the difference in throttle response when I changed to kaki, on the other hand changing from 17(webs sport) to 18(advan) I do feel the hesitation.

 

I do frequent msia for road trips so I am hesitant to go for a tune, afraid that it will put more stress on my car. You seem to be happy with your tuner, care to share?

 

 

 

LGT with catback kaki is [inlove]

 

yeah bigger rims make quite a difference... even if the rims are of comparable weight, I heard that lower profile tyres tend to weigh more due to the extra reinforcements needed... I'm toying with the idea of going fm 18" to 17", now that my "new" brakes don't need 18" to fit.

 

if u do pump msia fuel frequently, u can/should ask the tuner to tune accordingly. When u meet the tuner, ideally go with full tank of the petrol u pump in Msia. I will PM u.

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