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-   -   Some insight here on air filter (http://www.mazdaspeedforums.org/forum/f544/some-insight-here-air-filter-171076/)

eliwwjd 05-26-2014 08:00 AM

Some insight here on air filter
 
Guys like I mentioned on another post, soon i'll be getting AP and a tune but I'm still debating whether I should go back to sri before tuning. I had installed a jbr sri but took it of because I noticed that I lost pull in the lower band. Then I installed the corksport thermal air box to mitigate problem, probably due to heat and not being tuned. I installed back the K&N drop in. I was researching and came across this video and wanted to know what you guys think of it, I mean after all there are a lot of you who have had more experience with many aftermarket sri and could tell me how accurate is this video. The reason why it caught my attention is because they are doing it with actual dyno proof.
https://www.youtube.com/watch?v=PAIxeQUSg-Q

Johnasaurus 05-26-2014 08:17 AM

According to your signature you have an ets too mount and upgraded bpv. Is that bpv in 50/50 or full recirc...if it's 50/50 plug the vent and use it in full recirc. That might be where your "lack of power" is coming from. Getting rid of metered air.

Yes, I would definitely put the Sri back on. As well as get a tip.

eliwwjd 05-26-2014 08:27 AM

The problem was experienced way before buying the gfb BPV. Then decided to install CS Thermal box gaining some of the pull. Then went back to drop in.My bypass valve is 35% vta and 65% recirc. When I installed the K&N drop in, I was able to gain back pull. Just thinking if this a heat soak issue and/or lack of tune.:dunno:

Johnasaurus 05-26-2014 08:30 AM

Make it 100% recirc...you're not tuned to run any vta. Heat soak would be on the intercooler itself. Put the Sri back on and make it 100% recirc.

eliwwjd 05-26-2014 08:32 AM

Quote:

Originally Posted by Johnasaurus (Post 2596298)
Make it 100% recirc...you're not tuned to run any vta. Heat soak would be on the intercooler itself. Put the Sri back on and make it 100% recirc.

Ok. I plan on tuning soon so I would have to tell the tuner to tune considering a %VTA. What is your opinion on the video?

btstarcher 05-26-2014 08:49 AM

Video is irrelevant. Filter won't add HP/TQ; everybody knows that. However it does allow for more HP/TQ with a tune, because greater airflow. You need a tune to take advantage of the added airflow.

pzr2874 05-26-2014 08:50 AM

So you're running it VTA for the sound only?

Gotcha

btstarcher 05-26-2014 08:53 AM

Yeah, you really need to run 100%recirc until you tune for it.

eliwwjd 05-26-2014 08:59 AM

Ok guys! As soon as I get my AP, I'll be switching back to SRI and a tune inmediately. Although I have a problem,
I screwed up my sri elbow because I cutted a little bit to reduce it and make it fit with the corksport thermal box so now my elbow is more of like a 45 degree angle and the jbr filter won't fit so I've been searching for a small size cone filter to fit in the corksport thermal box application but the only one I found was this:
8162 - Spectre , Air Filter 2.625 in Tall

Another question would be, would I need a maf calibration also?

Yes I wanted the best of both worlds, some sound but not to loud while being recirc the most percentage, because I know the car benefits the most being recirc. This is why I setup the valve to 35% vta and 65% recirc.

pzr2874 05-26-2014 10:33 AM

no, stay away from that filter.... they sell that shit at Pep Boys = stand clear.

Figure out a way to get it ALL to the way it was supposed to be. Plain and simple.

JayBeeL 05-26-2014 10:56 AM

Quote:

Originally Posted by eliwwjd (Post 2596319)
Ok guys! As soon as I get my AP, I'll be switching back to SRI and a tune inmediately. Although I have a problem,
I screwed up my sri elbow because I cutted a little bit to reduce it and make it fit with the corksport thermal box so now my elbow is more of like a 45 degree angle and the jbr filter won't fit so I've been searching for a small size cone filter to fit in the corksport thermal box application but the only one I found was this:
8162 - Spectre , Air Filter 2.625 in Tall

Another question would be, would I need a maf calibration also?

Yes I wanted the best of both worlds, some sound but not to loud while being recirc the most percentage, because I know the car benefits the most being recirc. This is why I setup the valve to 35% vta and 65% recirc.

When you are full stage2, you wont need to run ricer shit to have nice sound. Just dump the VTA and please buy quality products!!!

Johnasaurus 05-26-2014 11:42 AM

The tuner will do a maf cal during the tuning process. Ask your tuner questions as you tune so you will have an understanding for how everything works together.

g00s3y 05-26-2014 11:43 AM

Quote:

Originally Posted by JayBeeL (Post 2596402)
When you are full stage2, you wont need to run ricer shit to have nice sound. Just dump the VTA and please buy quality products!!!

"Full stage 2" lol, does he have to run an up-pipe for that?. And when you say buy quality products, are you saying GFB doesn't make quality shit?

JayBeeL 05-26-2014 01:34 PM

Quote:

Originally Posted by g00s3y (Post 2596451)
"Full stage 2" lol, does he have to run an up-pipe for that?. And when you say buy quality products, are you saying GFB doesn't make quality shit?

He's running a lot of shit without an AP.

g00s3y 05-26-2014 01:38 PM

Quote:

Originally Posted by JayBeeL (Post 2596520)
He's running a lot of shit without an AP.

An upgraded tmic, internals, and a drop in filter isn't much, and fine without the AP. The problem is running the GFB 50/50 without a proper tune.

JayBeeL 05-26-2014 01:50 PM

Quote:

Originally Posted by g00s3y (Post 2596525)
An upgraded tmic, internals, and a drop in filter isn't much, and fine without the AP. The problem is running the GFB 50/50 without a proper tune.

If he had an AP he could monitor how much of a problem it is, although it most likely is.

eliwwjd 05-26-2014 05:41 PM

Quote:

Originally Posted by JayBeeL (Post 2596402)
When you are full stage2, you wont need to run ricer shit to have nice sound. Just dump the VTA and please buy quality products!!!

GFB is an outstanding product, top notch which excellent customer support but that's why there is so many brands and valves out there ,for the different taste. I don't put my head for no brand but honestly this valve is solid construction, high quality , the only venting bias in the market, if you want full recirc or a little bit of rice sound(sorry guys!!! I can't deny it))
My valve is not 50/50, it is 35% vta and 65% recirc. I'll be tuning as soon as a purchase my AP.
JaybeeL you are right if I had the AP I would be able to monitor many parameters but its in my plans. I just need to gather some money. When you are married and have a child going to jr. high, you need to put priorities in its place. I can't deny, I can't wait to get the AP to get the most out of my mods, definitely running a few goodies without tuning. Running my car all this time, I have learned that definitely you need to tune even with a simple air filter.

pzr2874 what is wrong with the spectre air filter? I read good reviews about it but then again its an option for those who don't want to spend much money. The only reason why I thought of them was because the good brands don't make a air filter that small.I found this article.
Spectre vs. K&N Cold Air Intake Differences: Which Air Intake Performs & Sounds the Best

white'swhiteMPS 05-26-2014 06:42 PM

Quote:

Originally Posted by pzr2874 (Post 2596382)
no, stay away from that filter.... they sell that shit at Pep Boys = stand clear.

Figure out a way to get it ALL to the way it was supposed to be. Plain and simple.

what about K&N or AEM? they sell that at pep boys too. just bought the AEM filter to replace my CS filter. any reason i should stay away?

pzr2874 05-26-2014 06:43 PM

I'm saying if you trimmed shit up to fit something and replacing that filter could potentially lead to other misfortune. SRI's, CAI's that were specifically designed to be run a specific way does not mean throw something else at it to "make it fit".... I don't know how else to explain it.

Quote:

Originally Posted by white'swhiteMPS (Post 2596802)
what about K&N or AEM? they sell that at pep boys too. just bought the AEM filter to replace my CS filter. any reason i should stay away?

No, it was a stab at PB... nothing more.

Johnasaurus 05-27-2014 06:17 AM

What don't you understand about 100% recirc? Don't even try to tune for it. Get a proper tune and be happy.

Danfriscia3 05-27-2014 08:16 AM

That spectre air filter is not meant for turbo cars. It can not handle the air flow and will eventually scrunch up and smash itself. Those things are meant for single cam Hondas. Believe me a friend of mine tried it on his speed 6 injen cai and shit was toast after a month.

eliwwjd 05-27-2014 02:40 PM

Quote:

Originally Posted by Danfriscia3 (Post 2597246)
That spectre air filter is not meant for turbo cars. It can not handle the air flow and will eventually scrunch up and smash itself. Those things are meant for single cam Hondas. Believe me a friend of mine tried it on his speed 6 injen cai and shit was toast after a month.

Thanks for the valuable information. I'll try to figure out something. If not I'm gonna have to but a new jbr elbow.

Dat8687 05-28-2014 06:46 AM

Quote:

Originally Posted by Johnasaurus (Post 2596291)
According to your signature you have an ets too mount and upgraded bpv. Is that bpv in 50/50 or full recirc...if it's 50/50 plug the vent and use it in full recirc. That might be where your "lack of power" is coming from. Getting rid of metered air.

Yes, I would definitely put the Sri back on. As well as get a tip.

A BOV vta or not will not make you lose power unless it cant hold pressure or is leaking.
It might affect response between shifts from spool but it will not affect PEAK power ever unless the afore mentioned issues occur.

Unless its releasing metered air under boost it cannot affect a power loss. This coming from almost 20 years of BOV/bpv experience

Just fyi

eliwwjd 05-28-2014 09:27 AM

I specifically mentioned that the problem was way before installing the valve. I know that I have to tune for the mods I have and I just can't wait!

eliwwjd 05-29-2014 06:25 PM

Quote:

Originally Posted by pzr2874 (Post 2596382)
no, stay away from that filter.... they sell that shit at Pep Boys = stand clear.

Figure out a way to get it ALL to the way it was supposed to be. Plain and simple.

After researching around for a smaller filter I said I'm going to take pzr2874 advice and today I was able to work out the fitment of my JBR SRI back inside the corksport thermal air box. Put some black grade duck tape on the gaps of space to completely isolate filter from engine heat. Now the filter sucks air only from the front part behind head light beam.
Definitely felt stronger when accelerating. Now getting ready for a tune! Boy can't wait, the car is definitely going to pull me back onto the seat!:cool:


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