Skunk2 BRZ Intake Results! - Page 2 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

jaf89f · 10-19-2014, 01:39 PM

Quote:

Originally Posted by Foobar

moto-mike,

No disrespect, but do you have some data to back that statement up? It's been long accepted on these forums that performance drop-ins like the K&N, HKS, and aFe have dyno'd 5 HP over stock on a bone-stock 86.

AFRs are prolly out of whack at first, running lean to net some marginal gains, but when the ecu finally compensates, the drop-in prolly nets you next to nothing....just what I'm assuming based on my readings herein.

Andrew025 · 10-19-2014, 01:49 PM

Quote:

Originally Posted by jaf89f

AFRs are prolly out of whack at first, running lean to net some marginal gains, but when the ecu finally compensates, the drop-in prolly nets you next to nothing....just what I'm assuming based on my readings herein.

Where did you read that?

Muaddib · 10-19-2014, 02:16 PM

I think some people are just full of crap.

DJCarbine · 10-19-2014, 02:28 PM

Quote:

Originally Posted by Foobar

moto-mike,

No disrespect, but do you have some data to back that statement up? It's been long accepted on these forums that performance drop-ins like the K&N, HKS, and aFe have dyno'd 5 HP over stock on a bone-stock 86.

Was it 5 peak hp? I would be interested to see a graph overlay with dynos done on the same car, if the drop in filter has the same gains under the curve then that is pretty impressive (not being sarcastic)

Foobar · 10-19-2014, 04:02 PM

Quote:

Originally Posted by DJCarbine

Was it 5 peak hp? I would be interested to see a graph overlay with dynos done on the same car, if the drop in filter has the same gains under the curve then that is pretty impressive (not being sarcastic)

FT86Speedfactory did some tests of different drop-in filters on the same car, same dyno. Can't search for the thread right now as I'm on the run, but if you can't find it, I'll link it later when I get home.

Edit: Here it is

*KID* · 10-19-2014, 05:56 PM

This car wasn't stock. I'm guessing it had a drop in already, so to see a 5-6hp on top is pretty damn good.

Xero-Limit · 10-20-2014, 09:54 AM

No modern japanese OEM would put in a filter that would cost you 5-6hp. We've tested these on the MX5 (same airbox design, filer area, media, engine displacement), along with other vendors, and found 0 gain by taking the filter COMPLETELY out. What we've seen is that you can do a repeat test, and the IAM moves from .7 to 1 and you get 5-6 hp. We've seen back to back tests of 4th to 5th gear, and those show 3-5 hp. On the brz/fr-s you can show 3-6hp with just how you time the dyno runs. I know some of the testing in 2012 had shown gains, but that has been disproved by folks who know this platform and its quirks.

justint5387 · 10-20-2014, 01:43 PM

Quote:

Originally Posted by moto-mike

It is built for the SCCA STX class, so header, exhaust, tune etc...running ethanol for both pre/post intake.

Running ethanol isn't legal in STX.

10-19-2014, 05:56 PM	#20
KID 86-er Join Date: May 2012 Drives: BRZ tS Location: Laredo, TX Posts: 970 Thanks: 195 Thanked 253 Times in 175 Posts Mentioned: 3 Post(s)	This car wasn't stock. I'm guessing it had a drop in already, so to see a 5-6hp on top is pretty damn good. __________________ 2018 Subaru BRZ ts 020/500 - My Daily, work car, and track car

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Muaddib Mentat Join Date: Jun 2013 Drives: 2013 Scion FRS 6MT Location: Vancouver Posts: 542 Thanks: 666 Thanked 358 Times in 198 Posts Mentioned: 4 Post(s)	I think some people are just full of crap.

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Xero-Limit Join Date: Nov 2012 Drives: JDL Turbo FRS, 335SC BRZ (ret) Location: Lehigh Valley, PA Posts: 938 Thanks: 368 Thanked 1,550 Times in 527 Posts Mentioned: 380 Post(s)	No modern japanese OEM would put in a filter that would cost you 5-6hp. We've tested these on the MX5 (same airbox design, filer area, media, engine displacement), along with other vendors, and found 0 gain by taking the filter COMPLETELY out. What we've seen is that you can do a repeat test, and the IAM moves from .7 to 1 and you get 5-6 hp. We've seen back to back tests of 4th to 5th gear, and those show 3-5 hp. On the brz/fr-s you can show 3-6hp with just how you time the dyno runs. I know some of the testing in 2012 had shown gains, but that has been disproved by folks who know this platform and its quirks.

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