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BRZ First-Gen (2012+) -- General Topics All discussions about the first-gen Subaru BRZ coupe |
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09-13-2016, 08:47 PM | #71 | |
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If I were to make the jump today, it would be a JSRC with an underdriven C38. Mechanically, the Vortech also seems to be a solid unit. It sounds tighter/tougher than the Rotrex but I go back to the Jackson because it retains the superbly-engineered OEM airbox.
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09-14-2016, 11:22 AM | #72 |
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I'm with @Poodles on the turbos. Modern day turbos are engineered to eliminate most of the lag. Not all, but most. The cheaper cars with turbos do not.
Examples: Ferrari 488 GTB. They partially eliminated lag through ECU programming. 911 Turbo. Vanes on turbo have variable pitch for differing rpms McLaren: turbo 3.8. These cars are monsters. Ford GT: turbo V6 Huracan/R8 rumored to get turbo V6 The advantages of the turbos is LIGHT WEIGHT and increased HP. NA is nice, but FI is here to stay. I've owned both and they both have their strong points. But there is one constant. The FI car ALWAYS seemed faster than my NA. I can assure you. When you keep a turbocharged 911 on FULL boil .... there is no lag. The 86 was kept NA because that fit the pricing niche they were looking for. A FI 86 would have been in the 30's. As an aside. When I 1st purchased my 86 (2013) ... I was told that TRD was going to have a factory SC. I told the dealership to put my name on the list. It never materialized ... or maybe I missed it.
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09-14-2016, 11:56 AM | #73 |
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They built a few and they're out there. I don't think they got much past the testing/pre-production phase. A family racing team on here sold one or both of theirs.
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09-14-2016, 01:55 PM | #74 | |
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This was basically offered for sale to meet technical requirements to run a supercharger in the PWC series. Not the first time Toyota has offered something cool for unobtainable prices or qty (See: GT-One) -alex |
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09-14-2016, 02:13 PM | #75 |
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I'm with OP. I daily an mk7 GTI. Its quick - definitely quicker than my FR-S. But I've grown to hate turbo motors. The lag is very noticeable on 90* days, to the point where it's frustrating to drive. But, once you're in boost, its a ton of fun. On those same hot days, the FR-S is down on power, but it still feels immediate, where the GTI is far from it.
Maybe one day, turbo'd hybrids that fill in the lag and make the car feel smooth and responsive (a la P1/LaFerrari) will be accessible to common-folk like me.
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09-14-2016, 03:58 PM | #76 |
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This might be true for the small turbos used in small engines. The turbos used in high performance cars need AWD to transfer correctly the torque to the road. What is more lighter? The addition of two more cylinders and to stay NA or the additional complexity of the turbo and the AWD?
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09-14-2016, 04:36 PM | #77 |
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If the twins were to get more power (not holding my breath on that), I would want it to still be N/A. There's just something about revving the hell out of a car.
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09-14-2016, 04:59 PM | #78 | |
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My 2013 Firestorm Red 13 FRS is gone. Bought the next best thing: 2017 Alfa Romeo 4C
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09-14-2016, 07:35 PM | #79 | ||
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Low RPMs just feel anemic. If the A/C is running, it's more noticeable. I wouldn't call it a smooth low-RPM power band, but it's also not unbearably bad. It can be a little rough and choppy at times, depending on a combination of variables, but the way I see it... 1. The car, nor the SC, were designed or optimized for low-RPM situations. Same reason why sport bikes have no power at 1500rpm. 2. This is aftermarket stuff, so no matter how much we want it to be, it'll never have that true OEM smoothness. Jackson did a pretty darn good job, honestly, all things considered. OEM tunes are generally considered to suck by the enthusiast crowds, because perhaps they leave some performance on the table or perhaps they leave some other things behind, but some credit should be given. What they do achieve is a consistent, predictable and reasonably pleasant driving experience. When you move off OEM, you're accepting that you leave that behind as a trade off for gains elsewhere. So, while I don't completely LOVE the power band bottom to top, without spending a WHOLE lot more money and a WHOLE lot more time, this is probably about the best I can realistically expect. Quote:
I did have a failure on my Rotrex after about 3 months. I worked with Jackson who worked with Rotrex on the back end. Since Rotrex is in Denmark, I would have had to wait a few weeks to get the unit shipped overseas, inspected, etc., by Rotrex, for them to determine if a warranty claim was approved. I couldn't wait that long, I needed the car back on the road and I would need a new blower one way or another, so I just paid for one and Jackson got it to me quickly. There were some delays (I guess somewhere along the way my unit got lost or forgotten about) but eventually after a couple months I got word back that Rotrex determined it was a defective unit and thus they approved the warranty claim, at which point Jackson reimbursed me for the cost of the unit that I paid for. So, kudos to Jackson for being customer-focused and Rotrex for standing behind their product. The replacement Rotrex, I did not install. I had Mike from CSG Garage fly in to do it. At that point, my frustration level was topped out and I was over it. I didn't want to be bothered with it, and I was also second guessing my work at that point (not knowing if the failure was due to something I did incorrectly.) I decided it was worth paying to have a pro come in and put their magic hands on it. Mike assured me that my install was fine (he tweaked a couple pipes to make them fit a little bit better, but he's done dozens of these kits and knew the secret sauce recipe) and a couple months later when I finally got word back from Rotrex that it was indeed a factory problem with the unit and covered by warranty, I felt a lot better, and not only because I got my $2,000+ back. I've done no other work to the engine... see my above comments -- I don't want to go any further with the performance mods on this car. No injectors, no flex fuel, transmission or rear end, etc. The only other mechanical change I've made is a header-back exhaust (Invidia Q300). I had some stiffer transmission shift springs, transmission mount, and shift bushing, but I since took all those out and went back to stock. I'm running ultra-purified physics-defying frictionless blinker fluid that is distilled from the spleens of endangered baby seals, though, and let me tell you, I can really feel the difference. It's rated 5.97 sparkle Unicorns. |
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09-14-2016, 07:47 PM | #80 | |||||
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As the saying goes, boost is but a downshift away Quote:
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09-14-2016, 08:29 PM | #81 | |
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But that's not the one I want. Now what?
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09-14-2016, 09:56 PM | #82 | |
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09-14-2016, 10:10 PM | #83 |
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I'll wait until I can get an electric boost of some sort. Not turbo or supercharged but instant, on demand, across the powerband electric. It would be nice if there was a way to manually adjust the level of boost too.
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09-14-2016, 11:30 PM | #84 |
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Agreed. I actually like our FA20 the way it is. You get same lovely boxer engine sound as the WRX but you can rev it way higher. Yes, it's nowhere near as fast as the WRX but it's still peppy enough to have fun.
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