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| BRZ First-Gen (2012+) — General Topics All discussions about the first-gen Subaru BRZ coupe |
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#57 | |
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Hot Dog
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Just for the record, I'm not a turbo hater. My daily driver is a turbo Diesel and it's fantastic. I built a turbo R53 MINI with excellent success. One of my absolute favorite drivers cars of all time is the Evo IX. There is without question a time and place for turbo's in the vast expanse of the automotive world. In the specific context of the FT-86, where having the car hard-wired to your brain is the primary thesis, a turbo will detract from that connection and transform the car into more of a performance car but less a sports car. If TRD comes out with a supercharged kit, that will still change the character of the car [mainly acoustic], but it won't completely invert it like a turbo would.
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#58 | |
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hashiryu
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![]() I don't get the constant moaning. They already made a car that lends itself toward tinkering, modifying and tuning. I guess folks today are so focused on the easy way of doing things they probably rather "oh, I'll just disconnect a few vacuum hoses and bam, 400bhp", than accept the greatness that has just been presented to us. [u2b]http://www.youtube.com/watch?v=aGjQzXXphm8[/u2b] |
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#59 |
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At least some understand that FI does not suit this car. Those wanting a turbo just get the WRX STI or wait the next one. If not there is the Cosworth WRX STI CS400 for 50.000 € that goes from 0 to 100 km/h in 3,7 sec, as fast as a 200.000 € Gallardo.
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#60 |
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hashiryu
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I don't think that's fair to say.
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#61 |
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throttle response, sure!
turbo response, ill agrue all day. its not physically possible. sure, cyl pressures increase, but the the only way to increase spool up with the same charger is through displacement or engine flow efficiency unless you can explain to me otherwise |
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#62 |
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#63 |
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Rocket Surgeon
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It has an effect in the real world in terms of time until boost, rather than rpm until boost on a dyno. You're right in that mass flow rate/pressure is what spools turbos, but a the improved off boost power will get you above your boost threshold sooner. Semantics, sure. But a higher compression turbo engine will be more "responsive" in the real world.
Umm.. He's right you know. Volumetric efficiency and pressure drop across the exhaust valves/ports has a huge effect on turbo spool. |
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#64 | |
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Very excited for this car |
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#65 | |
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#66 |
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Rocket Surgeon
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Not really. Yes, lower compression results in higher EGT's (and by extension, residual pressures), but for a ~2 point change in compression you're only looking at a ~5% increase.
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#67 | |
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The level of technical discussion on this site is very poor. That's not aimed at you, it's because there are so many people (mostly kids) who have a keyboard, but no clue. |
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#68 |
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turbo for subie, supercharge for Toyota?
Auto Spies says............................. Considering Subaru first debuted the joint-[COLOR=blue !important][COLOR=blue ! important]project[/COLOR][/COLOR] Toyobaru vehicle at the 2011 Los Angeles Auto Show in form of the STI Concept, I feel pretty confident rooting for Subaru. But according to 009's post yesterday, this isn't over until the fat lady sings. 009's post from Autocar stipulated that [COLOR=blue !important][COLOR=blue !important]Toyota's [COLOR=blue !important]racing[/COLOR][/COLOR][/COLOR] division, TRD, is working on a supercharged, high-performance GT 86. Looking at both base cars from the Tokyo Motor Show, it's clear that they're nearly carbon copies of each other. So, we know each automaker likely didn't spend much time differentiating their products in that regard. I think we're going to see some significant differences when it comes to the high-performance variants. We already know Toyota is gunning for supercharging, while Subaru typically sticks to its turbos. |
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#69 | |
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Anyway, I am seriously keen for the BRZ (looks better than the 86 imo, especially in blue), here's hoping they bring them to Australia, but I'll settle for the 86 if need be. As for forced induction, coming from a ~300bhp, 340lb/ft Focus ST, I'd prefer a little more torque in the 86/BRZ, but would need to drive one first to see whether I can live with 151lb/ft. I've been in an S2000 and found it sorely lacking in the low-mid range, but perhaps my driving style would need to change, I've got used to lazy low end torque from the turbo 5 cylinder in the Focus. If a forced induction 86/BRZ could get around 200lb/ft that hangs around long enough to deliver 230-240bhp, with the same chassis dynamics, I think I would be a happy man. |
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#70 |
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Lacking torque has to do with the way of driving. On track such cars do not lack torque. They lack toruqe only as daily drive cars.
Such cars - 86/BRZ, S2000, M3, 911 GT3, F430 - should be driven as if you stole them. |
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