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


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Old 06-09-2017, 06:36 PM   #141
Blue Bird
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I am having a hard time finding an answer to this. I hope someone can help me out.

If I add an "high flow catted front pipe", will this get rid of the catless header smell? I won't lose any gain/mess up anything with catless header/stage 2 right?
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Old 06-10-2017, 11:58 AM   #142
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I am having a hard time finding an answer to this. I hope someone can help me out.

If I add an "high flow catted front pipe", will this get rid of the catless header smell? I won't lose any gain/mess up anything with catless header/stage 2 right?
I'm sure it varies, but my experience is that it won't always, at least not entirely. Cold start is the worst, it's just harder to get the cat up to operating temperature relative to one in the header.

C
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Old 06-12-2017, 01:52 AM   #143
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I have a JRSC c38 and I just installed a flexfuel kit (still on 91oct) and 700cc injectors today. Is it safe to start the car without a re-tune just to let it idle and check for fuel leaks?
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Old 09-28-2017, 02:21 PM   #144
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Got a question that ik is stupid. BUT how plausible is it to slap on a supercharger as my first mod and then getting a big break kit, tires+wheels, suspension, flex fuel, etc later.

I know its not advisable but with a low psi tune would it be safe to run a stock FRS with a supercharger kit?

I really want the fastest results for my build to maintain a low overall cost. See ik if i upgrade everything previously mentioned before forced induction i will be craving that power. That 30ish hp from e85 wont be enough to satisfy my craving. So why not get the supercharger first and make it the perfectly balanced car later on when i have time to save instead of making myself wait and spend a lot of money before forced induction?

Please advise, any help would be appreciated.
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Old 09-28-2017, 04:11 PM   #145
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Originally Posted by NicoFRS View Post
Got a question that ik is stupid. BUT how plausible is it to slap on a supercharger as my first mod and then getting a big break kit, tires+wheels, suspension, flex fuel, etc later.

I know its not advisable but with a low psi tune would it be safe to run a stock FRS with a supercharger kit?

I really want the fastest results for my build to maintain a low overall cost. See ik if i upgrade everything previously mentioned before forced induction i will be craving that power. That 30ish hp from e85 wont be enough to satisfy my craving. So why not get the supercharger first and make it the perfectly balanced car later on when i have time to save instead of making myself wait and spend a lot of money before forced induction?

Please advise, any help would be appreciated.
There is no reason you can't go that route but you'll find yourself annoyed pretty quickly that you can't make use of the power without potentially killing yourself. That said, I actually think there is some merit in this approach in that you get the power level you want first, then build the rest of the car around that. You will waste less money this way.

That said, the car is still fun on sticky tires and aggressive brakes with the stock power level and you aren't forging any new ground so there are plenty of resources available to tell you exactly what you'll need to support the power before hand. If nothing else, get yourself stickier tires and upgraded brake pads to reduce the chance that you'll kill yourself.
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Old 01-14-2018, 05:05 PM   #146
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have not seen a 2017 here yet.


they already have better air filter


The ecu has different programming and appears to run full time closed loop fuel control and does not run rich at high rpm load (from what I've seen on usa model ecu logs)


Header is changed and intake manifold changed.


Due to stock header being better and fuelling control being better you may not see as much gains from header and tunes as you did on earlier models.


but its early days.

I have a 2017. I got my hands on a Nameless header, 3" outlet. I'm deciding between the nameless over/front pipe combo (3" to 2.5"), or JDL ultra quiet 3" with grimmspeed 3"/2.5" adapter.

Ecutek seems expensive; I might be better off OFT for this, even on a 17?

I was wondering if you had an opinion or warning here?

For intake all I have is a new tube with sound delete; I'm willing to buy the grimmspeed or other if it will help here. Either way, full foil and I'm looking for where I can get an oil pan heat shield (like the one you can get with the gruppe-s)

Thanks,

-George
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Old 01-15-2018, 06:53 AM   #147
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Originally Posted by GeorgeJFrick View Post
I have a 2017. I got my hands on a Nameless header, 3" outlet. I'm deciding between the nameless over/front pipe combo (3" to 2.5"), or JDL ultra quiet 3" with grimmspeed 3"/2.5" adapter.

Ecutek seems expensive; I might be better off OFT for this, even on a 17?

I was wondering if you had an opinion or warning here?

For intake all I have is a new tube with sound delete; I'm willing to buy the grimmspeed or other if it will help here. Either way, full foil and I'm looking for where I can get an oil pan heat shield (like the one you can get with the gruppe-s)

Thanks,

-George
OFT guys have some tunes for basic mods for 2017, but the ecu logging for 2017 roms not working correctly so its difficult to work out exactly how the tune is running at present.

Ecutek will be more expensive but if you want to mod tune it will be better as logging will work correctly
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Old 01-15-2018, 12:07 PM   #148
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Hey Steve, thanks for this thread. Most useful thread of all for me, it's been the basic guide I have used for all my mods and I love my car all the more because of it.
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Old 03-16-2018, 10:09 PM   #149
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I skipped most of this other than oft, catback, e85 and got bored. Was tempted to do headers but with gains total waste of money. Now thinking turbo with money already saved though... Now im thinking why not ls1 swap. It never stops .
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Old 06-20-2018, 06:33 PM   #150
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I skipped most of this other than oft, catback, e85 and got bored. Was tempted to do headers but with gains total waste of money. Now thinking turbo with money already saved though... Now im thinking why not ls1 swap. It never stops .
Shoulda got header instead of the catback. You went about things a little bassakwards.
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Old 07-20-2018, 01:47 AM   #151
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Snorkel removal may not be good idea

Snorkel removal may not be good idea - see below

https://www.pointmeby.com/2016/09/15...z-frs-gt86-86/
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Old 09-08-2018, 05:26 PM   #152
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Snorkel removal may not be good idea - see below

https://www.pointmeby.com/2016/09/15...z-frs-gt86-86/
Thanks. Never hurts to repeat it.
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Old 10-09-2018, 01:49 PM   #153
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hmm. If an OFT tune with a catless stock header eliminates the cel, do I need to reinstall the O2's in the header?

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Old 10-15-2018, 01:06 AM   #154
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You need the O2s for your ECU to know the AFR

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