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


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Old 05-26-2016, 05:23 PM   #197
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Quote:
Originally Posted by LenA View Post
Is intake only CARB approved if you use the stock hose and sound generator or is the silicon intake tube also legal?

For folks that report smoother takeoff from rest, is that likely due to better throttle response as Perrin dyno does not seem to show much low rpm torque improvement?

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Sorry Len, I haven't been much on the forums much lately. Just the PERRIN intake is CARB approved. An inlet hose is a separate part, so if you added one, it would have to have it's own CARB certification to be legal.

About the smoother take off, I'd say that's more tune related rather than coming from the intake. Or just a side effect from making a little more power.
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Old 05-30-2016, 10:56 PM   #198
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Question

How long do these filters last and when should they be replaced?
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Originally Posted by PERRIN_Chris View Post
We'd recommend cleaning the filter every 8-10,000 miles for the best flow. Also make sure to use a foam filter cleaner, Uni Filter foam filter cleaner is the best.
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Old 05-31-2016, 11:05 AM   #199
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It'll vary, but they should last for years as long as they're oiled enough and with the proper Uni Filter cleaner. If you own the intake for over 10 years, you'll probably have to replace the filter once.
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Old 07-27-2016, 01:02 PM   #200
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Originally Posted by PERRIN_Chris View Post
The 3" intake will sound the same as the normal size PERRIN intake. I'd go for the 3" if you already have a way to get a tune, and are looking to make the most power.
The Perrin 3" intake is in the running for my CAI. I am currently running:


K&N Drop In
OFT Stage 2 UEL E85
Invidia N1 CatBack


Would I have to adjust the MAF sensor scaling with what is prescribed by Perrin's spreadsheet for the BigMaf? I'm sure it will get me in the ballpark, but I'd like to get max #gainz with the setup I have now since it's probably going to be my last MOD for awhile.
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Old 07-27-2016, 01:37 PM   #201
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The spreadsheet is pretty spot on, you could tweak it some if you want it more specific to your car though, especially if you're running E85. #BWWWWAAAAAA!!

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Originally Posted by EffaressNOOB View Post
The Perrin 3" intake is in the running for my CAI. I am currently running:


K&N Drop In
OFT Stage 2 UEL E85
Invidia N1 CatBack


Would I have to adjust the MAF sensor scaling with what is prescribed by Perrin's spreadsheet for the BigMaf? I'm sure it will get me in the ballpark, but I'd like to get max #gainz with the setup I have now since it's probably going to be my last MOD for awhile.
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Old 07-27-2016, 01:48 PM   #202
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Quote:
Originally Posted by PERRIN_Chris View Post
The spreadsheet is pretty spot on, you could tweak it some if you want it more specific to your car though, especially if you're running E85. #BWWWWAAAAAA!!




Sweet! Just wanted to make sure it wouldn't run lean/rich. I'm still on my first fillup with E85, so this will give me some time to really understand how MAF scaling works. I never ever ever want to revert back to petrol just to tune an intake! I appreciate this Chris....


.... NOW, let's talk about a DISCOUNT!!!
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Old 07-27-2016, 01:53 PM   #203
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You're welcome! You're going to want to talk to Thomas, Thomas.Powers@perrinperformance.com, he can hook you up with the best deal. I'm not longer in the sales department.

Quote:
Originally Posted by EffaressNOOB View Post
Sweet! Just wanted to make sure it wouldn't run lean/rich. I'm still on my first fillup with E85, so this will give me some time to really understand how MAF scaling works. I never ever ever want to revert back to petrol just to tune an intake! I appreciate this Chris....


.... NOW, let's talk about a DISCOUNT!!!
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Old 08-05-2016, 02:06 PM   #204
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@PERRIN_Chris
I just got my bigmaf in. Am I supposed to put some sort of oil on the filter?
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Old 08-05-2016, 02:09 PM   #205
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Quote:
Originally Posted by EffaressNOOB View Post
@PERRIN_Chris
I just got my bigmaf in. Am I supposed to put some sort of oil on the filter?

The filter is already oiled, so you're good! You actually may have to wipe off some of the oil if there's an excessive amount on there. Make sure to wipe it off on the filter side where it clamps onto the pipe so it doesn't come off. Also you won't need to make the clamp super tight, just hand tight is good!
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Old 08-05-2016, 03:53 PM   #206
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Quote:
Originally Posted by PERRIN_Chris View Post
The filter is already oiled, so you're good! You actually may have to wipe off some of the oil if there's an excessive amount on there. Make sure to wipe it off on the filter side where it clamps onto the pipe so it doesn't come off. Also you won't need to make the clamp super tight, just hand tight is good!
I'm not sure how to copy and paste on RomRaider. I have the MAF Scaling up, just not sure how to edit. Should I adjust each number individually?
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Old 08-05-2016, 03:54 PM   #207
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I've never used Romraider, so I'm not sure, if you can't copy and paste it, then just type it in manually.
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Old 08-05-2016, 06:03 PM   #208
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Quote:
Originally Posted by EffaressNOOB View Post
I'm not sure how to copy and paste on RomRaider. I have the MAF Scaling up, just not sure how to edit. Should I adjust each number individually?
You can copy and paste from a spreadsheet, like Excel, but you have to put the voltage row on the bottom, and the scaling above that. Otherwise it only pastes in the voltages, twice.
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Old 08-09-2016, 12:09 AM   #209
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Originally Posted by PERRIN_Chris View Post
I've never used Romraider, so I'm not sure, if you can't copy and paste it, then just type it in manually.
Ok I did it! But.... now my fueling is off. I tried to let my ECU learn again to see if my LTFT would go down like when I first Flashed to E85, but it hasn't gone down yet. I am still on my first fill up though, but my engine seems bogged down a bit. I do recall @steve99 saying that I should go back to petrol to dial in my MAF scaling, but I've also heard that the numbers from the perrin site would get me in the ball park. Currently, I'm sitting at -10% at idle, and -7% cruising at 45mph/2500rpm... tips?
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Old 08-09-2016, 12:51 AM   #210
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Ok I did it! But.... now my fueling is off. I tried to let my ECU learn again to see if my LTFT would go down like when I first Flashed to E85, but it hasn't gone down yet. I am still on my first fill up though, but my engine seems bogged down a bit. I do recall @steve99 saying that I should go back to petrol to dial in my MAF scaling, but I've also heard that the numbers from the perrin site would get me in the ball park. Currently, I'm sitting at -10% at idle, and -7% cruising at 45mph/2500rpm... tips?

yep the perrin scaling is ok but if you want the maf scaling good enough for +/-5% your going to need to do your own scaling.


some cars it will be closer than what your seeing, their is a bit of variation in maf sensor between early and late model cars


you can scale maf of E85 but you need a consistent blend of E85 to do it else your trims will be wandering around with changing E% as well as maf scaling and temperature changes so you will just chase your tail.

Last edited by steve99; 08-09-2016 at 01:03 AM.
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