My experiment with additional snorkel - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

makinen · 10-30-2013, 11:04 AM

Hello,

I've tried additional snorkel after removing main resonator. Also the sound generator has been removed.

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Name: 20131010_211547s.jpg
Views: 3192
Size: 600.8 KB

The initial impression was very weak bottom torque. But engine sound was slightly increased like CAI.

As you know, main resonator contributes to low-end torque. So this is second trial with a plastic bottle.

Don't worry, it is heat-resistant PET.

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Low-end torque came back (but not 100%) and sound was kept. Drivability is much better than the first trial.

I remember that @Kodename47 would like to try this kind of thing in http://www.ft86club.com/forums/showp...&postcount=295. I wonder he did it or not.

Regards,

SkAsphalt · 10-30-2013, 11:27 AM

Could you just be adding in turbulence to everything?

lickitysplit · 10-30-2013, 12:02 PM

Is that really a gatorade bottle?

Craig · 10-30-2013, 12:08 PM

Quote:

Originally Posted by lickitysplit

Is that really a gatorade bottle?

Holy shit that is a gatorade bottle, its clear some of the civic kids are buying 86s now.

radroach · 10-30-2013, 12:10 PM

Is this for real

CTB727 · 10-30-2013, 12:49 PM

wat

somejace · 10-30-2013, 12:51 PM

really.

Mikem53 · 10-30-2013, 01:07 PM

Quote:

Originally Posted by Craig

Holy shit that is a gatorade bottle, its clear some of the civic kids are buying 86s now.

Dont be an ass.. He trying different things, using easy to find items that fit..
Would you rather spends hundreds of dollars on a nice looking plastic piece that didn't perform? I think many are interested in seeing the results of these homemade tests.
Kudos to the OP.. thanks for sharing..

SloS14 · 10-30-2013, 02:21 PM

Quote:

Originally Posted by Craig

Holy shit that is a gatorade bottle, its clear some of the civic kids are buying 86s now.

I've had 3 Civics, two of which were stock looking and boosted - and the other bone stock, so you are like a car racist.

Fast_Freddy · 10-30-2013, 04:21 PM

Quote:

Originally Posted by makinen

Hello,

I've tried additional snorkel after removing main resonator. Also the sound generator has been removed.

The initial impression was very weak bottom torque. But engine sound was slightly increased like CAI.

As you know, main resonator contributes to low-end torque. So this is second trial with a plastic bottle.

Don't worry, it is heat-resistant PET.

Low-end torque came back (but not 100%) and sound was kept. Drivability is much better than the first trial.

I remember that @Kodename47 would like to try this kind of thing in http://www.ft86club.com/forums/showp...&postcount=295. I wonder he did it or not.

Regards,

You forgot to post the before and after dyno sheets. Without them you really couldn't have any idea what effect (if any) these changes made to anything other than the intake sound.

I'm sure that you thought you felt real differences but it's actually just the placebo effect.

makinen · 10-31-2013, 10:04 AM

Quote:

Originally Posted by Fast_Freddy

You forgot to post the before and after dyno sheets. Without them you really couldn't have any idea what effect (if any) these changes made to anything other than the intake sound.

I'm sure that you thought you felt real differences but it's actually just the placebo effect.

I see your point.

Surely full load output should be important to this kind of mod. The stock setup is just two rivet holes away, so I can easily restore to the stock state and have dyno sessions to make evidence for improvement. But you know that it takes some time and money. I could make some data log using Torque app rather than doing dyno tests.

Anyway, 3rd gear 80-120kph compared to the stock 86 was almost same. So at least rpm band used that test wasn't badly affected, maybe.

But the torque decrease in bottom-end could be felt easily when you just release a clutch pedal to launch a car. Another problem is that dyno tests cannot show part load outputs. Real life drivability is relied on the partial throttle region as I think.

makinen · 10-31-2013, 10:09 AM

Quote:

Originally Posted by SkAsphalt

Could you just be adding in turbulence to everything?

I know the possible collision inside the dirty side of the air box.
I have thought adding an air guide to separate two inlets.
Currently air may collide freely.

Shim · 10-31-2013, 11:10 AM

The gatorade bottle mod reminds me of a 'water hammer arrestor' used in plumbing to smooth flow in relation to valves slamming open and shut. Considering that long-tube exhaust headers improve low end torque by smoothing air flow ... It's beyond my competence to speculate further.

campy · 10-31-2013, 12:17 PM

What could be happening is that air is going in through the stock snorkel and out through your added snorkel. The air wants to go where there is the least resistance, so it might be easier to go down the piping than through the filter and into the throttle body.

I just feel like there's a reason why no one has done this before.

10-30-2013, 11:04 AM	#1
makinen Senior Member Join Date: Jan 2013 Drives: Toyota 86 Location: South Korea Posts: 267 Thanks: 127 Thanked 201 Times in 115 Posts Mentioned: 5 Post(s) Tagged: 0 Thread(s)	My experiment with additional snorkel Hello, I've tried additional snorkel after removing main resonator. Also the sound generator has been removed. The initial impression was very weak bottom torque. But engine sound was slightly increased like CAI. As you know, main resonator contributes to low-end torque. So this is second trial with a plastic bottle. Don't worry, it is heat-resistant PET. Low-end torque came back (but not 100%) and sound was kept. Drivability is much better than the first trial. I remember that @Kodename47 would like to try this kind of thing in http://www.ft86club.com/forums/showp...&postcount=295. I wonder he did it or not. Regards,

10-31-2013, 11:10 AM	#13
Shim Dismember Join Date: Dec 2012 Drives: FR-S & JSW Location: midwest Posts: 74 Thanks: 29 Thanked 56 Times in 31 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	The gatorade bottle mod reminds me of a 'water hammer arrestor' used in plumbing to smooth flow in relation to valves slamming open and shut. Considering that long-tube exhaust headers improve low end torque by smoothing air flow ... It's beyond my competence to speculate further. __________________ The fault lies not in our cars, dear Brutus, but in ourselves.

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10-30-2013, 12:02 PM	#3
lickitysplit Don't care Join Date: Aug 2013 Drives: 2013 Whiteout FRS Location: Texas Posts: 233 Thanks: 3 Thanked 62 Times in 48 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Is that really a gatorade bottle?

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CTB727 Senior Member Join Date: Dec 2012 Drives: 2013 Subaru BRZ Location: USA Posts: 237 Thanks: 65 Thanked 104 Times in 59 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	wat

10-30-2013, 12:51 PM	#7
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10-31-2013, 12:17 PM	#14
campy No rice, no life Join Date: Dec 2012 Drives: 2013 Asphalt FR-S Location: Jersey Shore Posts: 1,143 Thanks: 266 Thanked 1,019 Times in 388 Posts Mentioned: 7 Post(s) Tagged: 0 Thread(s)	What could be happening is that air is going in through the stock snorkel and out through your added snorkel. The air wants to go where there is the least resistance, so it might be easier to go down the piping than through the filter and into the throttle body. I just feel like there's a reason why no one has done this before.

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