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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.

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Old 11-21-2012, 07:50 PM   #15
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Quote:
Originally Posted by dabocx View Post
None of the intakes on the market are worth it right now

Please explain. I know there are a couple bad apples out there but IIRC the Injen intake makes somewhere in the neighborhood of 10-13whp.
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Old 11-21-2012, 08:15 PM   #16
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Quote:
Originally Posted by JDMenrique View Post
Please explain. I know there are a couple bad apples out there but IIRC the Injen intake makes somewhere in the neighborhood of 10-13whp.

This is true based on the intake shootout thread but referring ONLY to that thread/dyno, it was not very comparable to driving conditions because the dyno was done with the hood open. Some members who certainly know more about the topic than myself alluded that an open hood was beneficial more for the Injen than the other intakes.

Aside from that, a proper tune should give you the power that a good intake would have given you plus more. I believe it was 2forme (but I could be wrong) that said on his E85 tune, the difference between him breaking the 200whp and staying below it was the AFE intake. I think we also need to take from this the idea that the intake doesn't seem to play a roll until you're on E85 and trying to get the last possible WHP out.
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Old 11-21-2012, 08:59 PM   #17
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Quote:
Originally Posted by Laika View Post
This is true based on the intake shootout thread but referring ONLY to that thread/dyno, it was not very comparable to driving conditions because the dyno was done with the hood open. Some members who certainly know more about the topic than myself alluded that an open hood was beneficial more for the Injen than the other intakes.

Aside from that, a proper tune should give you the power that a good intake would have given you plus more. I believe it was 2forme (but I could be wrong) that said on his E85 tune, the difference between him breaking the 200whp and staying below it was the AFE intake. I think we also need to take from this the idea that the intake doesn't seem to play a roll until you're on E85 and trying to get the last possible WHP out.
Yup. This.
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Old 11-21-2012, 09:12 PM   #18
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Oh, @2forme I missed that you're on e85. I don't know if I have that accessible here. @seven let me know where you find one!

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Old 11-22-2012, 12:46 AM   #19
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Quote:
Originally Posted by JDMenrique View Post
Please explain. I know there are a couple bad apples out there but IIRC the Injen intake makes somewhere in the neighborhood of 10-13whp.
It only makes that because it throws out the maf sensor calibration resulting in a lean condition. You'd get the same result with a lean remap... Or hell, even an eBay 'resistor chip'...
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Old 11-22-2012, 02:01 AM   #20
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Quote:
Originally Posted by 2forme View Post
I'd go with a cold air intake over a short ram ... that's how I made 200whp.
although i dont have this experience with the frs in particular, i would guess that since its a small high revving motor, it is going to make peak power very hing in the rpm range. when that is the case it is usually the shorter intakes that make more power in the upper register.
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Old 11-22-2012, 02:17 AM   #21
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I'm also skeptical anyone is making ~30hp over stock NA with the current mods available with the car vOv

Maybe some dyno's are saying 200whp, but idk how much that means.

I know some tuners have claimed close to these gains, but all tuners "fib" at least a little IMO.
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Old 11-22-2012, 03:01 AM   #22
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Opening up airflow is obvious but I think cams should be considered. I don't have good reason to believe this but I believe that cams + 500 more rpms will do this engine a world of good.
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Old 11-22-2012, 05:10 AM   #23
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Originally Posted by brzranger View Post
Oh, @2forme I missed that you're on e85. I don't know if I have that accessible here. @seven let me know where you find one!

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Old 11-22-2012, 06:41 AM   #24
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To get 200 whp on this engine, which means around 250 at the crank, you'll need cams, a very good intake (I'm thinking something like the Grouppe M or Mugen carbon airbox), high octane fuel (100 ron gasoline at least), very good headers, probably fully decat, ported heads etc...
Is this engine able to run at over 8000 rpm without changing internals or at least valve/springs etc?

Is it worth it? A SC engine will be faster, cheaper and easier to built.
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Old 11-22-2012, 09:08 AM   #25
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Quote:
Originally Posted by fatoni View Post
although i dont have this experience with the frs in particular, i would guess that since its a small high revving motor, it is going to make peak power very hing in the rpm range. when that is the case it is usually the shorter intakes that make more power in the upper register.
When you consider how fast the engine bay heat soaks on this car, it nullifies that effect. Look at the AIRAID dynos and the temperature testing I've done on them. They are around the same length as an Injen.

Also the AFE is the same length but pulls colder air from the front bumper.

Quote:
Originally Posted by blu_ View Post
I'm also skeptical anyone is making ~30hp over stock NA with the current mods available with the car vOv

Maybe some dyno's are saying 200whp, but idk how much that means.

I know some tuners have claimed close to these gains, but all tuners "fib" at least a little IMO.
I did over 60 dyno pulls when I did my intake reviews. There was no lying or fibbing. Hell, I even posted the dyno files themselves for people to view in WinPEP.

The car made 174 with just an SRT exhaust. That seems in line with everyone's results. Hit 180 with SRT/AFE/Tune. Hit 200 with SRT/AFE/E85/Tune. That's SAE corrected. STD made a few HP more. If you'd like the files let me know and I'll gladly send them to you because transparency.
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Old 11-22-2012, 09:14 AM   #26
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Quote:
Originally Posted by Gardus@Supersprint View Post
To get 200 whp on this engine, which means around 250 at the crank, you'll need cams, a very good intake (I'm thinking something like the Grouppe M or Mugen carbon airbox), high octane fuel (100 ron gasoline at least), very good headers, probably fully decat, ported heads etc...
Is this engine able to run at over 8000 rpm without changing internals or at least valve/springs etc?

Is it worth it? A SC engine will be faster, cheaper and easier to built.
So far it seems so. Accelerated Performance has seen 8500 a few times on their 400+ whp turbo setup.
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Old 11-22-2012, 09:21 AM   #27
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Those numbers look very high to me.
Our maha dyno gave between 149 (stock) and 162 whp (full exhaust).
Added to the power loss and corrected by EWG standard is between 197 and 208.5 hp at the crank.
That's a 25% power loss, pretty normal for a FR layout with a manual gearbox.
There's no way you can get 200 real whp with just bolts on and tune, even if measured with a inertial dyno.

About the rpm limit. The stock engine starts loosing power after 7200 rpm, so I'm not sure if increasing the rev limiter would result in higher power.
Maybe with different cams and mapping...the stock injector are enough on Supercharged engines?
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Old 11-22-2012, 09:58 AM   #28
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I was there when 2forme's car hit 200hp. If u take a look at plenty of peoples dynos on a dynojet they all are making 165-170 stock. With exhaust intake and tune i seen people making around 179-185hp. When the e85+tune was put on the dyno it took a while for the fuel to kick in but after like the 3rd run the car started hitting 193-194hp. We let the car cool down a little since we did like 60 dynos run in 3-4 hrs and when we got it back on the dyno it hit 200hp and 162lbs of torque..Just imagine what it would have done with headers. But without e85 i feel like it would take some money to get this car to hit 200
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