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

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Old 10-19-2012, 05:56 PM   #1
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Engine Swap

Question ! ....... Has anyone considered or is it possible engine mount / room wise,...of course tranny and clutch aside...putting a Subaru WRX or STI engine in the FRS/BRZ....is it feasable?....without major work?
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Old 10-19-2012, 06:04 PM   #2
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Question ! ....... Has anyone considered or is it possible engine mount / room wise,...of course tranny and clutch aside...putting a Subaru WRX or STI engine in the FRS/BRZ....is it feasable?....without major work?
It has already been done numerous times. Ken Gushi's car being an example.

If you search for an EJ swapped FRS you will find lots.
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Old 10-19-2012, 06:07 PM   #3
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Simple or major surgery is what I'm after.
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Old 10-19-2012, 06:47 PM   #4
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Simple or major surgery is what I'm after.
Meh, this block has already handled over 500whp on two cars on here already. Im not sure I would want to swap an older technology engine, especially with their timing belts...ick. But, whatever floats your boat
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Old 10-19-2012, 06:59 PM   #5
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i talked to Gushi at formula d about it. It mounts in really close but its a custom trans on it, so i havnt heard if the rs trans is similar bolt pattern. i doubt it but there working on building the fa motor to drop back in when parts are available.
http://wot.motortrend.com/files/2012...R-S-Engine.jpg
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Old 10-19-2012, 07:23 PM   #6
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Simple or major surgery is what I'm after.
You're talking about putting a motor in a car that was never meant to hold it. The external dimensions of the EJ and FA are close enough that it could physically fit, but engine mounts and bell housing bolt pattern are almost certainly different. Not to mention tuning and the stock gauges probably wont work either. You'll have to ask yourself if that's major surgery or not.

The real question is why. A set of pistons & rods and a turbo setup would most likely be cheaper and easier. And from what we've seen so far, the FA would be the much better choice.
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Old 10-19-2012, 08:16 PM   #7
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The stock engine on stock internals is holding up to boost better than a stock WRX engine does at the same power levels so far, so going to a WRX or STI engine is a downgrade IMO.

If you want gobs of power, pistons + rods + lots of boost and you'll be plenty happy, and for far less than just the parts required to get either the WRX or STI engine in.
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Old 10-19-2012, 08:24 PM   #8
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Have the AP turbo sitting at my tuner as we speak.....just musing with you guys,.... I'm sure eventual LS engines will find there way into a FRS/BRZ. What the FA20 lacks most in my opinion is torque,.... the STI engine is torque'er.
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Old 10-19-2012, 08:31 PM   #9
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there's already a thread about a brz getting a ls2
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Old 10-19-2012, 08:32 PM   #10
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I am putting a flux capacitor on my FA 20. I will come back from the future at tell you it runs off discarded Iphones as a fuel source in 2017
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Old 10-19-2012, 08:39 PM   #11
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Geez ! ...... rough crowd here,..... bunch of wise asses!.....APOC very good....two movies Back to the future and Iron Sky.
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Old 10-19-2012, 08:41 PM   #12
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I think a bunch of us are sick of new members coming in here makin g threads we have already discussed long before without searching at all

I mean we had a guy ask if anyone has seen or had any info on a set of headlights... which were the 86 top spec headlights
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Old 10-19-2012, 08:54 PM   #13
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Ok,....not new to the forum tho,....just don't post much......
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Old 11-15-2012, 09:51 AM   #14
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Have the AP turbo sitting at my tuner as we speak.....just musing with you guys,.... I'm sure eventual LS engines will find there way into a FRS/BRZ. What the FA20 lacks most in my opinion is torque,.... the STI engine is torque'er.
it does lack torque but its use of square dimensions, and it only being a 2L will allow it to rev higher after heads start to be built. always useful for all motor race applications
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Old 11-15-2012, 12:09 PM   #15
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I think a bunch of us are sick of new members coming in here makin g threads we have already discussed long before without searching at all

I mean we had a guy ask if anyone has seen or had any info on a set of headlights... which were the 86 top spec headlights
Is it impossible to link to the thread instead of being a ****? That way when someone actually does search useful information shows up instead of a bunch of flame threads.
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Old 11-15-2012, 12:14 PM   #16
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oh snap here come the zilvians....why don't you search for me and post the links so me and the next asshat don't have to scroll all the way to the top and type what we are looking for?
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Old 11-15-2012, 12:56 PM   #17
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I'm not looking for that info but its just as easy to be useful as it is to be a douche. Thats all I'm saying. Case in point.. ^
THIS thread will come up in search results.

PS. I haven't been a "zilvian" since 07

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Old 11-15-2012, 01:17 PM   #18
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Is it impossible to link to the thread instead of being a ****? That way when someone actually does search useful information shows up instead of a bunch of flame threads.
You can't win. They say please use search then you get flamed because you revived a zombie thread. Welcome to the internet
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Old 11-15-2012, 01:37 PM   #19
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Originally Posted by cf6mech View Post
Have the AP turbo sitting at my tuner as we speak.....just musing with you guys,.... I'm sure eventual LS engines will find there way into a FRS/BRZ. What the FA20 lacks most in my opinion is torque,.... the STI engine is torque'er.
It's 25% bigger in displacement and has a turbo, of course it has more torque... Compare before you get any boost and see though, I bet the FA20 has more torque.
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Old 11-15-2012, 04:08 PM   #20
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I drove a WRX when I was buying the BRZ. The WRX had very little torque until the turbo spooled. Granted, its not the same as an STI, but lets be real here. I've driven both, and their isn't much difference in power delivery until over 5500rpm. The STI pulls better up top.

The weight of the car could have a lot to do with it, but the BRZ felt like it had better torque. Especially since it is a smaller engine.
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Old 11-15-2012, 04:16 PM   #21
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Is it impossible to link to the thread instead of being a ****? That way when someone actually does search useful information shows up instead of a bunch of flame threads.
Is it impossible to look up the subject you want to discuss on a forum thats been around for almost as long as the car has been in R&D before posting a thread? Especially if its a topic that seems like it would be a popular discussion by a group of auto fans?

I understand where you are coming from and generally I try not to be a douche about it but the last couple have been really really stupid threads.

I mean did you see the one where the OP posted a picture of GT86 headlights asking if anyone has seen these before or if they had any info on them and claimed that they searched the forums and the internet and all the could find was 1 picture. Really?

Members that own his car should really start looking up info before they post I understand we are here to help but aren't we also here to contribute to this community? These kind of threads don't contribute anything and are generally just people who want answers without having to do any work.

I like to help as much as the next guy but I hate helping the lazy


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You can't win. They say please use search then you get flamed because you revived a zombie thread. Welcome to the internet
Haha I laughed real good to this. Generally true but I would think most times users can find the info they are looking for if they read the thread. Even if they revive a thread it is better than making a new one considering you have all the pervious info that was already found about the topic.


No hating but I don't think I was being mean about it either but its the internet maybe my words read louder than when I type them XD
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Old 11-16-2012, 02:52 AM   #22
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Mr.Jay,....been around the block a few times,....been a long time member of other Forum communities, so I know what its like when someone may bring up something thats been beaten to death....what you don't want to do to noobs is come off as a snob and turn people off as far as posting. You want to grow the forum community not stunt its growth.
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