R2C intake dyno'd ... ever?

FL 4Motion · 07-26-2011, 04:42 PM

Quote:

Originally Posted by Rooskey

Ok just got the results. Dude did three pulls before and after with about 3hrs in between. He stated that he did do some interestate driving between so the ecu could compensate. Only previous mod was berks hfc's. Average between all pulls before (263hp, 234tq) and after (276hp, 241tq). So basically he gained 13hp and 7tq.

That's pretty damn good for an SRI honestly. The big ? is 1. will a 370z alos see similar gains and 2. are these gains any better than drop ins and post maf tubes?

Still intrigued by these R2Cs...

jpit · 07-26-2011, 04:48 PM

I have the R2Cs but have never dynoed them by themselves. I have the Modshack vent mod and often monitor the air intake temp and it is usually about 8 degrees above ambient temp so the vent is doing its job. It is very hard to duplicate airflow on a dyno even with large capacity fans. When the G3 was originally tested by a well-respected tuner there was a significant difference in the power produced with the bumper cover off and when it was on. I am skeptical of dyno results on intakes because you cannot reproduce highway driving and the ecu is very tempermental with rising intake temps.

Nick911sc · 07-26-2011, 04:50 PM

Quote:

Originally Posted by jpit

I have the R2Cs but have never dynoed them by themselves. I have the Modshack vent mod and often monitor the air intake temp and it is usually about 8 degrees above ambient temp so the vent is doing its job. It is very hard to duplicate airflow on a dyno even with large capacity fans. When the G3 was originally tested by a well-respected tuner there was a significant difference in the power produced with the bumper cover off and when it was on. I am skeptical of dyno results on intakes because you cannot reproduce highway driving and the ecu is very tempermental with rising intake temps.

So are you saying that the R2C's in the real life have no gains? loss of power?

FL 4Motion · 07-26-2011, 04:57 PM

Quote:

Originally Posted by jpit

I have the R2Cs but have never dynoed them by themselves. I have the Modshack vent mod and often monitor the air intake temp and it is usually about 8 degrees above ambient temp so the vent is doing its job. It is very hard to duplicate airflow on a dyno even with large capacity fans. When the G3 was originally tested by a well-respected tuner there was a significant difference in the power produced with the bumper cover off and when it was on. I am skeptical of dyno results on intakes because you cannot reproduce highway driving and the ecu is very tempermental with rising intake temps.

I don't disagree, but unfortunately there are only 2 real ways to figure out gains, dyno before and after pulls, and 1/4 mile trap speed and times before and after, both those methods have pros and cons.

jpit · 07-26-2011, 05:13 PM

I think that the R2Cs did produce gains but never tested how much. I think that it is important to get as much cool air to the filter as possible and highly recommend the Modshack vent mod for any intake you are using. When I stop for a red light, the intake temp rises pretty quick but as soon as I accelerate it is back to normal within a few seconds. By the way, the filters themselves have a great reputation and obviously are very easy to clean and no need for oil. I just read the dyno report on the G37 and he seemed to gain significant power

Nick911sc · 07-26-2011, 05:22 PM

Do you see these intakes giving more of a gain than the K&N drop in filters that someone showed around 4-5 hp?

TonyBPD · 07-26-2011, 08:16 PM

I love my R2C! Butt dyno approves. My car will go on the dyno once I receive my ART pipes.

Methodical4u · 07-26-2011, 10:16 PM

Ok, I emailed R2C about their intake. I don't want to post what I got in return from them until I have their permission to share it... I feel they deserve a chance to state their case and then I will ask them if they approve. I will say that they responded quick and that he didn't try to blow smoke. I will quote this part of his email.

"We were able to bring total restriction down by almost half when
replacing the factory intakes and the corresponding gains in power were
reasonable"

I was impressed that he didn't try to sell me on them fake massive power like some companies would do.

FL 4Motion · 07-26-2011, 10:22 PM

Quote:

Originally Posted by Methodical4u

Ok, I emailed R2C about their intake. I don't want to post what I got in return from them until I have their permission to share it... I feel they deserve a chance to state their case and then I will ask them if they approve. I will say that they responded quick and that he didn't try to blow smoke. I will quote this part of his email.

"We were able to bring total restriction down by almost half when
replacing the factory intakes and the corresponding gains in power were
reasonable"

I was impressed that he didn't try to sell me on them fake massive power like some companies would do.

Cool, I respect that as well. I'm really starting to lean toward these as opposed to just adding post maf tubes to my setup. Before I take the plunge, I'm really hoping to see some before/after dynos though. If/when I add them, I'll bring them down to HP logic in WPB, do a before dyno there, then have them add them and then an after dyno with an updated UpRev tune to maximize power/air fuel ratio etc. I'm already tuned including the drop ins so it'll be a before/after comparo.

Methodical4u · 07-26-2011, 10:24 PM

Quote:

Originally Posted by FL 4Motion

Cool, I respect that as well. I'm really starting to lean toward these as opposed to just adding post maf tubes to my setup. Before I take the plunge, I'm really hoping to see some before/after dynos though. If/when I add them, I'll bring them down to HP logic in WPB, do a before dyno there, then have them add them and then an after dyno with an updated UpRev tune to maximize power/air fuel ratio etc. I'm already tuned including the drop ins so it'll be a before/after comparo.

I did ask if they could email me a copy of the dyno charts vs a baseline run.

Whatever intake I get, i'm going to run the fang plumbing.

FL 4Motion · 07-26-2011, 10:34 PM

Quote:

Originally Posted by Methodical4u

I did ask if they could email me a copy of the dyno charts vs a baseline run.

Whatever intake I get, i'm going to run the fang plumbing.

If you get those dyno runs from him, pls let us know what the results were. No fang plumbing option for my Z unfortunately, since it's a Nismo or I'd be right there with you.

I'm hoping these R2Cs can give most of the top end benefit of the G3's with all of the low and mid range gains of the drop ins/PMTs.

Methodical4u · 07-26-2011, 10:49 PM

Quote:

Originally Posted by FL 4Motion

If you get those dyno runs from him, pls let us know what the results were. No fang plumbing option for my Z unfortunately, since it's a Nismo or I'd be right there with you.

I'm hoping these R2Cs can give most of the top end benefit of the G3's with all of the low and mid range gains of the drop ins/PMTs.

Hopefully he gets back to me tomorrow... he got back to me pretty quick today, but I just checked my email... i'll try to check it tomorrow earlier.

Rooskey · 07-27-2011, 12:51 AM

Maybe the dyno will show differently but I really dont see a difference between the r2c and the k&n typhoon. As far as the G and Z go on the front fascia's (air delivery???) give me a break. You might see a 2hp difference but who is to say they are on the same dyno right behind each other.

Methodical4u · 07-27-2011, 01:19 AM

Quote:

Originally Posted by Rooskey

Maybe the dyno will show differently but I really dont see a difference between the r2c and the k&n typhoon. As far as the G and Z go on the front fascia's (air delivery???) give me a break. You might see a 2hp difference but who is to say they are on the same dyno right behind each other.

Then why do some claim they get just as much power in the G37 as those with Stillen, while the SRI's in the Z don't seem to gain much, if any power and sometimes lose power???

3sevenzero · 07-27-2011, 06:59 AM

Just put my R2C's on my 370z last Friday, seems there is better flow and better throttle response, my butt def feels it......

sounds awesome at WOT

07-27-2011, 06:59 AM	#15 (permalink)
3sevenzero Base Member Join Date: Apr 2011 Location: Cabot, AR Posts: 31 Drives: 2010 370Z roadster Rep Power: 15	Just put my R2C's on my 370z last Friday, seems there is better flow and better throttle response, my butt def feels it...... sounds awesome at WOT Last edited by 3sevenzero; 07-27-2011 at 07:04 AM.

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07-26-2011, 04:48 PM	#2 (permalink)
jpit Enthusiast Member Join Date: Feb 2009 Location: Washington State Posts: 440 Drives: 370Z Tour MT w/Spt Rep Power: 17	I have the R2Cs but have never dynoed them by themselves. I have the Modshack vent mod and often monitor the air intake temp and it is usually about 8 degrees above ambient temp so the vent is doing its job. It is very hard to duplicate airflow on a dyno even with large capacity fans. When the G3 was originally tested by a well-respected tuner there was a significant difference in the power produced with the bumper cover off and when it was on. I am skeptical of dyno results on intakes because you cannot reproduce highway driving and the ecu is very tempermental with rising intake temps.

07-26-2011, 05:13 PM	#5 (permalink)
jpit Enthusiast Member Join Date: Feb 2009 Location: Washington State Posts: 440 Drives: 370Z Tour MT w/Spt Rep Power: 17	I think that the R2Cs did produce gains but never tested how much. I think that it is important to get as much cool air to the filter as possible and highly recommend the Modshack vent mod for any intake you are using. When I stop for a red light, the intake temp rises pretty quick but as soon as I accelerate it is back to normal within a few seconds. By the way, the filters themselves have a great reputation and obviously are very easy to clean and no need for oil. I just read the dyno report on the G37 and he seemed to gain significant power

07-26-2011, 05:22 PM	#6 (permalink)
Nick911sc A True Z Fanatic Join Date: Feb 2009 Location: Long Island, New York Posts: 1,698 Drives: 2010 Nissan GT-R Rep Power: 21	Do you see these intakes giving more of a gain than the K&N drop in filters that someone showed around 4-5 hp?

07-26-2011, 08:16 PM	#7 (permalink)
TonyBPD Track Member Join Date: May 2009 Location: South Jersey Posts: 614 Drives: 2012 VW Golf R Rep Power: 17	I love my R2C! Butt dyno approves. My car will go on the dyno once I receive my ART pipes.

07-26-2011, 10:16 PM	#8 (permalink)
Methodical4u A True Z Fanatic Join Date: Jun 2011 Location: Maryland Posts: 1,393 Drives: 11 370 6mt pw w/sp Rep Power: 16	Ok, I emailed R2C about their intake. I don't want to post what I got in return from them until I have their permission to share it... I feel they deserve a chance to state their case and then I will ask them if they approve. I will say that they responded quick and that he didn't try to blow smoke. I will quote this part of his email. "We were able to bring total restriction down by almost half when replacing the factory intakes and the corresponding gains in power were reasonable" I was impressed that he didn't try to sell me on them fake massive power like some companies would do.

07-27-2011, 12:51 AM	#13 (permalink)
Rooskey Track Member Join Date: Jul 2010 Location: South Carolina Posts: 974 Drives: 2014 Alpha7 GTR Rep Power: 16	Maybe the dyno will show differently but I really dont see a difference between the r2c and the k&n typhoon. As far as the G and Z go on the front fascia's (air delivery???) give me a break. You might see a 2hp difference but who is to say they are on the same dyno right behind each other.