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jstein77
jstein77 SuperDork
9/25/14 8:15 a.m.

If you were going to turbocharge an FR-S, how would you do it? Maybe a kit like this?

Even though I own a turbo, I don't have enough expertise to GRM it.

Swank Force One
Swank Force One MegaDork
9/25/14 8:19 a.m.

Either MAP, Accelerated Performance, or Dynosty.

http://youtu.be/xVbfUtxQ_sw

Yup. I'll have what he's having.

Sounds ridiculous: http://youtu.be/KK7Ad91BFic?t=29s

400whp from an off-the-shelf "stage 1" turbo kit. http://youtu.be/HK8Wtb97uLk

GameboyRMH
GameboyRMH GRM+ Memberand MegaDork
9/25/14 8:20 a.m.

The AVO turbo kit is the nicest I've seen for the Toyobaru:

http://www.speedhunters.com/2012/11/avo-brz/

http://www.avoturboworld.com/avoshop/

rotard
rotard Dork
9/25/14 9:03 a.m.

I'm leaning towards one of the superchargers. Install in one afternoon? Yes, please.

captdownshift
captdownshift GRM+ Memberand HalfDork
9/25/14 9:09 a.m.

Without building the bottom end I'd go supercharger as well. I hope to land some seat time in a supercharged one on stage in the first half of 2015.

GCooper
GCooper New Reader
9/25/14 9:13 a.m.

What kind of numbers do they put down with a supercharger?

z31maniac
z31maniac UltimaDork
9/25/14 9:23 a.m.

Same here on the S/C. (And I still want one of these cars, dammit)

Seems like most of the S/C kits start at around 275-280whp.

I'd wouldn't try to more than double the output of the engine without it being "built." In which case look at the Crawford Performance BR-Z..........435whp I believe.

jstein77
jstein77 SuperDork
9/25/14 9:29 a.m.

Oh, this looks good - Treadstone, the company that made the turbo kit that's on my Sentra, has introduced their FR-S kit: link

I can vouch for the daily driver reliability of my Sentra kit, so this is an attractive option.

GameboyRMH
GameboyRMH GRM+ Memberand MegaDork
9/25/14 9:41 a.m.

I always say that if you have to run a supercharger, it should be a helical type. Here's a good one:

http://www.innovatemotorsports.com/products/supercharger-frs.php

jstein77
jstein77 SuperDork
9/25/14 9:41 a.m.

Did I already brag about how fast my Sentra is? At the last autocross a couple of weekends ago, I came within a blink (.024 seconds) of fastest fendered time.

Results

Whatever I replace it with needs to be at least as fast.

captdownshift
captdownshift GRM+ Memberand HalfDork
9/25/14 9:46 a.m.

In reply to GameboyRMH:

if for no other reason then the sound

93EXCivic
93EXCivic MegaDork
9/25/14 10:20 a.m.

There is one running in XP locally with a supercharger and all kinds of suspension work. Sounds awesome.

oldeskewltoy
oldeskewltoy SuperDork
9/25/14 10:52 a.m.

I'm still waiting to get my hands on a pair of the FRS/BRZ heads....

wspohn
wspohn HalfDork
9/25/14 12:37 p.m.

I'm a big fan of the EFR turbos like the one in the pictured car (am in the middle of heading for 400 whp on my Solstice using one).

I kind of like the rear mounted turbos from STS. http://www.phasteksport.com/2013-Scion-FR-S-Subaru-BRZ-STS-Turbo-Kit-p/sts-frs-brz-turbo.htm

NOHOME
NOHOME SuperDork
9/25/14 12:52 p.m.

With the six speed box and the 4.10 final drive, I find myself shifting 1-2-4-6 on my daily commute. (shift points at 5-5.5k). With the turbo it would be like 1-6 done.

I would have to drop the gear down to like a 3.27 or lower to enjoy driving that much power on the road. Then I could just drive 1-5 done.

Autolex
Autolex Dork
9/25/14 2:09 p.m.
wspohn wrote: I'm a big fan of the EFR turbos like the one in the pictured car (am in the middle of heading for 400 whp on my Solstice using one).

(thinking internally): He must have that in his profile

(Clicks on WSpohn's profile)

(thinking internally): Holy E36 M3 he's got a lot of nice cars!

(thinking internally): I'm poor.

Hal
Hal SuperDork
9/25/14 3:11 p.m.
GameboyRMH wrote: I always say that if you have to run a supercharger, it should be a helical type. Here's a good one: http://www.innovatemotorsports.com/products/supercharger-frs.php

I have only driven one "Frisbee" but it had this kit on it and I was very impressed.

Vigo
Vigo PowerDork
9/25/14 3:41 p.m.

I think i would err towards the supercharger for a DD for a couple of reasons, but i have to say...

The sound advantage of being able to rear-mount a turbo so close to the exhaust tip is just so sexy i can hardly stand it. Did anyone else look at that rear-mount turbo system and then immediately google oilless turbo? I think i just found another thing to spend money on.

Harvey
Harvey GRM+ Memberand Reader
9/25/14 4:06 p.m.

The Edmunds people put the Innovate Supercharger on their long term FR-S.

http://www.edmunds.com/scion/fr-s/2013/long-term-road-test/

They have some good impressions. I think they did some track days too with it on.

Stock 155 lb-ft at 4,800 rpm, while power peaked at 184 horsepower at 6,650 rpm

With supercharger 191 lb-ft at 5,550 rpm and 224 horsepower at 6,700 rpm.

codrus
codrus GRM+ Memberand Dork
9/25/14 4:26 p.m.

How is the turbo supported? Cantilevering it off the bottom of the heads like that looks pretty unstable -- are there other braces not shown in the parts photo?

kanaric
kanaric Dork
9/25/14 6:56 p.m.
Swank Force One wrote: Either MAP, Accelerated Performance, or Dynosty. http://youtu.be/xVbfUtxQ_sw Yup. I'll have what he's having. Sounds ridiculous: http://youtu.be/KK7Ad91BFic?t=29s 400whp from an off-the-shelf "stage 1" turbo kit. http://youtu.be/HK8Wtb97uLk

400whp? What with like e85, meth injection, or a built engine?

youtu.be links don't work for me where i am so i can't see.

On stock engines on regular 93 gas I don't think i've heard of people getting 300whp unless it's some crazy ego boosting dyno.

The only person around here I heard of doing it made like 260whp on 91.

jstein77
jstein77 SuperDork
9/26/14 7:15 a.m.

300 whp sounds just perfect. The Treadstone literature talked about 420 hp with 14 psi of boost, but I would dial that back to 10 psi for street/autocross use. My Sentra is at 7 psi, but the QR25 has more displacement than the FA.

GameboyRMH
GameboyRMH GRM+ Memberand MegaDork
9/26/14 7:34 a.m.
Harvey wrote: The Edmunds people put the Innovate Supercharger on their long term FR-S. http://www.edmunds.com/scion/fr-s/2013/long-term-road-test/

MotoIQ put one on theirs as well:

http://www.motoiq.com/MagazineArticles/ID/3328/Project-FR-S-More-Power-Everywhere-with-an-Intercooler-from-Innovate-Motorsports.aspx

GameboyRMH
GameboyRMH GRM+ Memberand MegaDork
9/26/14 7:36 a.m.
Vigo wrote: I think i would err towards the supercharger for a DD for a couple of reasons, but i have to say... The sound advantage of being able to rear-mount a turbo so close to the exhaust tip is just so sexy i can hardly stand it. Did anyone else look at that rear-mount turbo system and then immediately google oilless turbo? I think i just found another thing to spend money on.

Rear-mounted turbos don't do it for me. Turbo lag and the idea of scraping your turbo on a curb both turn me off.

rotard
rotard Dork
9/26/14 7:52 a.m.
kanaric wrote:
Swank Force One wrote: Either MAP, Accelerated Performance, or Dynosty. http://youtu.be/xVbfUtxQ_sw Yup. I'll have what he's having. Sounds ridiculous: http://youtu.be/KK7Ad91BFic?t=29s 400whp from an off-the-shelf "stage 1" turbo kit. http://youtu.be/HK8Wtb97uLk
400whp? What with like e85, meth injection, or a built engine? youtu.be links don't work for me where i am so i can't see. On stock engines on regular 93 gas I don't think i've heard of people getting 300whp unless it's some crazy ego boosting dyno. The only person around here I heard of doing it made like 260whp on 91.

Pretty much what this guy has said. The FA20 isn't the stoutest engine out there, so I wouldn't try to push it too far. When you buy one of these cars, you just have to accept that unless you're wanting e85/meth injection on your daily driver, mid-high 200's is the most you will realistically get.

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