- 2021 fa20 vs fa24 engine specs horsepower reddit It might be something people do in the future, only thing is the FA24 makes only a little more torque and is still 8hp short of the stock WRX FA20 engine. I would imagine you could go this route with a FA24 crank in your 2. Sort by Add Outfront motorsports to the list of available and built FA20 short reReddit: Top posts of December 19, 2021. 0 block, but I know very little about the FA24. EJ ceiling on stock bottom end is not very high and any high hp EJs have fully built blocks. reReddit: Top posts of April 2021. reReddit: Top posts of December 2021. He cleaned them, inspected them, checked the deck, replaced valve guides, replaced valve Ford/Lincoln's 2. Log In / Sign Up; Advertise on Reddit; Shop Collectible Avatars; Get the Reddit app But outfront motorsports offers their half inch arp2000 studs for this engine I used to spend ours watching technical dives and paging through service manuals of every Honda performance engine ever made, I think it all started when I watched the first volume of BMI on youtube "Type R Legend" when I was like 15. 500-600+ is where you worry about the block going boom. 4 L Engine Specs. You'll have diehards defend their engine choice until the death, but throwing a built engine in here is going to allow you to reach all Every engine that we scoped was absolutely coated with oil/carbon on the intake side. 4 turbo. The point is that the formula for F1, which is supposed to have some creativity and NOT be a spec series is getting so locked down it almost is a spec series. 2021. Demonstrates consistent, reproducible oil pressure drops occurring in right-hand corners, especially in sustained corners, or when coupled with elevation change, or rapid lateral direction change. All current mods from the fa20 bolt up so I don't think anyone will disagree it has massive tuning potential. I don't need the fancy diffs or dccd. A close friend of mine has a 2021 Outback Limited (not XT) and it's comfortable, smooth, and pleasant to be in. Get the Reddit app Scan this QR code to download the app now. The FA24 has been around before the VB WRX. I'm sure with the right internals the 4UGSE can make 700HP plus. Ok so I’m I have been thinking about this. Expect problems and solutions for all 3 engines. 0-20 oil is a fools recommendation. It is very interesting there is little to no turbo lag. Reddit . I have been looking for some specs on what turbo they are using and anything else about the FA 24 in the new 2022 outback wilderness. Likewise, a high horsepower rating implies they'll have plenty of go-juice and can speed way more than is safe. I thought the same thing and after like 4 month of intense research i found that the FA20DIT(found in WRX) which is the turbo charged version of the normal FA20(found in a brz) is very reliable more then the currant EJ (note not saying its a better engine they both have there benefits) is now that not to say there isn't problems do to the new direct injection theres a lot of carbon build up My concern is that in the past, when Honda says a car has X horsepower, it does feel like it has X. Expand user menu Open settings menu. Mikey botti lifted the heads after raising the rev limiter all When you're WOT at low RPMs (<3K - 3. So my wrx recently had a cylinder 3 delete so I’m in between figuring out what I should do with it. IMO, neither are great motors in regards to modifications. You might be able to find 'a guy' who will source your parts and swap it for under $4k, but I'd take a hard pass on someone else doing the work for less than that. It has around 170hp and on a big car like the Crosstrek is a bit underpowered The fa20 out of the BRZ can handle around 600whp with forged internals but they have a different compression ratio than the fa20DIT in the wrx. FA24DIT Engine guide. The FA20 was for example 55 kg. com] 2021 vs 2022 Regulations Comparison Technical even in spec series the small teams don't fight for top5. The fa24 being tested by a couple tuners were saying that the block, rods, and pistons are all capable of 600 hp. Here’s the thread. Personally, I would go with a brand new WRX with the FA24 and full warranty. The truck has a monumental amount of torque, but not at fast speeds. If you're going Stage 1, I wouldn't worry too much about an engine Bone stock engine. The EJ engine block would The smaller stroke allows for lower piston speeds at high RPMs. Nice motor. 5 people in car, boat loaded fuel, trolling motor, 4 batteries, downriggers. Torque is how hard the engine can twist the drive shaft. 0 OTOH IIRC, the Forester FA20DIT uses basically the same engine as the WRX but with less boost and less aggressive cam timing. "The engine was designed for torque, not horsepower," a Subaru spokesperson told The Drive, regarding the FA24's power output in the CVT-equipped Ascent Not every turbocharged engine is made to have the rev limiter bounced off while taking a puff from your custom vape. Subaru STI from 300-hp in 2004 to 310-hp in 2021. The car can provide the same amount of total power at a high speed, but has less torque to compensate A reputable shop with a (pulled / tested engine assembly), you would probably be looking at more like $4-5k. The method of calculation on dynamometers has also changed, gross vs net, back in 1971. View community ranking In the Top 1% of largest communities on Reddit. No way an FA20 lasts more than half a pull at 600whp. Spitfire481's Built FA20 (with a sequential tranny!) Enalband24's Built FA20 with a Supra V160 tranny. Hey guys, I'm hoping to pickup my first "new" car here soon. 5K so say 2. This was back in 2012-2013, before I knew about walnut blasting, so it was the For comparison's sake, I had a valve job done on my S20 heads (2002 wrx) last summer. Use whatever you want in your car. /r/WRX is a place for Subaru fanatics to show off their rides, discuss modifications, mechanical issues Another option in the EJ world was to put an EJ257 crank in the EJ20 block, thus creating a stroker engine. If a car comes in with a wrecked engine under warranty I have no way to know what oil is in there. . For owners, enthusiasts, and those who are simply interested in the FT86 platform Using a higher oil weight will not void any warranty. reddit when people like a I would get the wrx. Are the fuel requirements the same? In the US, the FA24 makes similar HP and more torque running regular fuel compared to the FA20s premium. I'd imagine an FA24 that's tuned for premium is capable of quite a bit more. I'm tired of opening Reddit to see yet another engine blown up all the time. Now that the VB is out, I’m curious how the VAs (2015-2021) Reddit . reReddit: Top posts of 2021 Is this possible, have anyone you know have done it already? I was holding out on the STI for the new 2022 and I literally hate the look so much, I refuse. I think the FA is an awesome powerplant and it's really getting some incredible support, the built IAG staged blocks for the Fa20 are pretty wild and things are going to take off with the FA24 Power is going to be very close with these two cars. For your own sake just don't use anything lighter thsn 5w30 full synthetic Poll: Which WRX will hold value better over time - FA20 or FA24? I was curious what the community thinks about these two engines and cars' design/styling, and if either will hold value (over time) as we shift to hybrid, electric, and automatic trans. The chassis codes are in the VIN for the car. 6:1 compression and Just curious to see which engine ppl like more. Toyota 4U-GSE engine is installed in the Toyota 86 and the Scion FR-S. Pull 18’ family ski/fishing boat boat no problem. Blew the engine on my 2013 brz RIP 🥹 but I’ve been wanting to do an engine swap and have been leaning towards a k24 swap, with Skip to main content Open menu Open navigation Go to Reddit Home Be prepared for a polarizing battle, this topic has been hotly debated since the fa20 came out. /r/WRX is a place for Subaru fanatics to show off their rides, discuss modifications, mechanical issues [Motorsport. The 2. More displacement = more torque. So EGR/TGV deletes paired with AOS and a modest tune will do this engine good (if you're not going for complete engine build of course). The chassis codes are different. (Hopefully August is everything goes as planned) Anyways, I've had my eyes on a WRX for awhile now, and was wondering if anyone had any personaly experience between the FA and EJ engines. I may likely am missing things, so again, definitely consult a professional engine builder and tuner. If you're looking for extreme power, you either would want an STI with the EJ or a 2022+ VB WRX with the FA24 At the end of the day, these cars weren't designed for extreme power, they were designed for insane handling. With the CVT both should have a 60/40 power split with their AWD systems, IIRC. If you've already blown your F20 or F22 sourcing a solid K24 (or K20/24 hybrid) is substantially cheaper than finding a solid F series motor though. Anyone have any technical info on parts The fa20 on the 15-21 wrx has a horrible stock tune and has bad revhang and also the power curve is not even and smooth. I think once we find out the new WRX and STi FA's we'll have a better idea what subaru is The stock engine can easily handle anything the stock turbo can do. I hear it a lot haha I think 300-400whp is definitely reliable on the fa24 if you treat it right and maintain it well. Valheim Genshin FA20 Engine Failure/Reliability Poll . I may Iove these crazy high horsepower cars but I don't plan on owning one anytime soon. But the power behind the engine is worth, and I want to know if it'll be possible to swap the FA24 engine into the older 2021 STI. Anymore spamming of other peoples post downgrading kia either about "kia boyz" immobilizers, engine failure, or car fires will result in a 30 day ban, View community ranking In the Top 1% of largest communities on Reddit. From what i can Most people swap in a 2JZ because that's a proven reliable engine which can make 700HP+ easily. 2 Spec-C EJ207 @ 8. It makes peak torque as early as 2,000 RPMs and has a 6,100 RPM red line — 600 RPM lower than its predecessor. Are the engine mount points different in the GR to the GT? If they are similar, Im curious if the FA24 can be mated to the GT's transmission. What do you guys think of it?? Long term reliability etc. The build I'm hungry to see is a de-stroked FA24 that'll let you scream in the higher RPM range. I’m sure it’ll become more widespread in a few years when companies make kits/parts to allow for a swap. Engineers can and do need to understand the details of how and why it works, not the guy staring at engine specs online. The Legacy is going to have a better power band being based on the FA24 engine, but it's tuned for SUV purposes. Other than the addition of the turbo, what are I haven’t really seen any videos where either engine is cracked open. Beyond that, I have not a clue. FA20 wrxs were reliable 300-400whp and they have the same trans, but only time will tell. The FA20's tuning limits are entirely knock limited. Looks like Subaru has taken what they've learned from the FA20 and delivered us the engine that it should have been all along. Anyone knows if Toyota had engine reliability oversight on the Fa24 (due to the BRZ/GT86 development) like they did with the Supra? If so, this I'd assume I already know that there's word the next gen should be coming out next year and i will definitely be waiting to see it. GM's fix was to run their top-end cleaner through like the video I posted. The real question is, what is the new weak point for the wrx?. You've seen what Prime Motoring has done with their FA24 swapped crosstrek right? Over 500whp on the stock block with the usual bolt-ons and flex fuel? Yes please. WRX EJ255 @ 8. Could be an interesting project. So the engine has to deal with the boost that it's getting and in a FA that's full boost which the engine has to deal with for a good amount of time at low RPMs. I am a dealer technician. I'm currently tuned to 359/359 Phatbotti E-60 tune. Built FA24 should be a monster Potential of FA24 engine (NA) The FA24 is rated at 230bhp at 7,000 rpm and 184lb-ft at 3700 rpm, which is fitted to the new GR86 and BRZ. FA20 is 268hp/258tq, the Legacy is going to be 260hp/277tq. With all the failures going around on Reddit, given that we have a strong and big community here (r/GR86 is Top 5% by size!), we can verify and track engine failures in the FA24 and document how warranty claims are processed by Toyota and Subaru. 3L or larger designs in the company's portfolio. The march of progress is more turbid for small manufacturers like Subaru. The word is the FA20 will still be used in the WRX, i need answers on the overall reliablity of the motor. The thing is with different materials they’re not ideal for the average Joe that just puts around town, alloys such as 2618 also need to warm up and get to temp before you beat on the engine id assume that you’d have a shorter life of the engine if they did that but who knows. We just traded in 2018 v6 owned from new. 0 T is a huge step change in performance when towing. 4 is a great I own a 2021 LEGACY. I just haven’t seen anyone blow up an fa24 like that yet. If you're going to go above 350-400 or so you're going to need them to build the engine for you. There are also a fair amount of people doing 2jz swaps if that's what you're into. I am absolutely looking forward to an FA24DIT STi. Common mods are Cobb AP, Intake, EGR/TGV deletes, AOS, ECBS, J-Pipe, tune. To address your initial weakness of the FA20 - the connecting rods really aren't that weak. I dont see the obsession with Kswaps in these cars, its a 20 year old engine, and imo a fully built FA just fits this car better. my 2021 wrx makes the same amount of power with an intake, j pipe, exhaust, Reason why I say this is yes a lot of people In this video, he shares the findings from months of testing the engine in the second generation BRZ and GR86. The 08-14 WRX had the EJ255. The only tricky thing is emissions, as older k24 won't meet the new requirements and could pose an issue in a few states, not 100% Formula2 is a spec series. Let’s compare a 800hp semi vs an 800hp race car. Premium Explore Gaming. i'd just engine swap with 2JZ or a LS. There's nothing inherent to the FA24's engine design that would prevent it from making more horsepower than the WRX's FA20. Is it theoretically possible to create an FA24 engine ‘equivalent’ by boring out the cylinder diameter of a FA20 engine from 10 votes, 21 comments. The conrods start becoming a problem around 300+ WHP. A pro tune would clean up those issues and make it more The FA series engine was developed for the Subaru BRZ and the first FA engine, the FA20D, was designed to be mounted as low as possible and to minimize the polar moment of the chassis FA20DIT engine vs EJ257 engine. It "adds" engine size by forcing more air into the engine. reReddit: Top posts of November 2, 2022. 2022 WRX tachometer vs Subaru Ascent Tachometer(FA24 Engine) This thread Ill take it, pretty sure we knew a long time ago they were using the fa24, at least for the STI Not true, but it's close and comes down to whether or not you're doing the swap yourself and who's building the engine. 0 (fa20) is new and better, fixed the issue of head gasket blowouts and oil consumption. That being said, but talk to a tuner or actual engine builder first Reply reply specs, modifications, repair questions, all is welcome as long as it relates to the New Edge The most I have seen a FA20 produce is 800hp, which is obviously plenty for most people, me included. The FA24 in the new VB WRX vs the FA24 in the BRZ/GR86 . Hi, I am a 2023 BRZ owner. With all the failures going around on Reddit, given that we have a strong and big community here (r/GR86 and r/ft86 are both Top 5% by size!), we can verify and track engine failures in the FA24 and document how warranty claims are processed by Toyota and Subaru. 66K subscribers in the ft86 community. The turbo basically increases displacement artificially. Engine: FA24DIT: FA24D: Configuration: 16 First engine swap would be expensive but if I blow up the engine again, the 2nd would be much cheaper. Due to the recent influx of posts about them to this sub, I put together an in depth writeup on the topic in addition to the base level explanation I gave in a comment here a while back. Case in point: The 54 votes, 31 comments. Has anyone done any mods like replacing cold air intake, blowout valve or adding tuning chips? 2020 vs 2021 Camry hybrid: There is some conflicting info online regarding the specs (hence the mix up re: hp). 5 na is a great engine but the Outback is a bit on the heavy side, my advice would be to take the 2. Took them to a local specialty engine builder. "In fact, Subaru cast the rods as a full assembly, scored the rod, then used an impact to break apart the cap" - Revvolution I think one of the larger downsides to I guess you could say this is doing preventive engine failure. FA20 has a pretty low ceiling as well with the additional complications of direct injection. The 2. One bang basically. FA24DIT Subaru 2. Hi, I own a 2023 BRZ. However, when the Germans say something has X horsepower, it feels a fair bit more than that. The wrx right now can push pretty high hp out of the fa24dit with some small upgrades and I was wondering if the fa24 is basically the same thing could I theoretically by the parts from the wrx and put it on a gr86 I know there may be a couple clearance issues and a couple other things is anything really stopping this from happening? Get app Get the Reddit app Log In Log in to Reddit. With that said, what is it with the design of the EJ engine block that allows it to handle 1000hp but the FA20 engine block seemingly can't? So I was wondering is it possible to get the fa24 engine to make 400 hp and still be reliable. Here's hoping Acura is underrating this engine, because if it feels like it has 355, it's going to be bringing up the rear in straight-line speed. Prime motoring had a bone stock FA24 in 2019 make damn near 600whp in a crosstrek before it blew because they ran out of fuel capacity and melted a piston. So the TL;DR version of this -- 500whp on an FA20 is doable -- there's a guy in TX running around with a 600 whp FA20-- though long term may be dicey. 0-liter engine FA20 was developed for the joint project of Subaru and Toyota (4U-GSE). i was looking at 5w-30 full synthetic SN Plus (considering its a DIT engine) but would 10w-30 SN Plus be fine? what kind of oil do you guys use? FA24 engine capabilities I’ve been curious for some time now but I have hardly seen anyone doing some engine modifications or tuning for their Outback. 5w30 vs 5w40 for FA20 . FA24 Engine guide. Share I think it was mostly just for noise on the FA20. Subaru WRX FA20DIT turbo. 0L EcoBoost ironically feels smoother than the 8AR engine but the blue oval mainly uses it in their mass market products while the more specialty cars use the 2. I think this will definitely reduce the life time of the FA24, but it’s absolutely more stout than the FA20 The FA24 looks to be a superior engine. Using Lotus Engineering’s 1D engine simulation software, I modeled the FA20DIT found in the Why do we have a torque dip? Because the short runner length of most headers causes the engine to knock in that RPM range due to the way exhaust flow is optimized. FA24 Subaru WRX mods. Also 5w40 is not going to cause any harm to your engine. 128K subscribers in the WRX community. FA20 needs a damn oil cooler from the factory. Log In / Sign Up; FA20 engine oil recommendations? I’ve been using Pennzoil Ultra Plat 5w30. Most old Honda engines have a stroke between 84-87mm for the 8-9k rpm (B18c, F20c, K20a). The engine with more cylinders will always make more bangs in a given amount of time. If they see a big torque number, odds are they will be getting good acceleration. 0L aluminum block engine, with 10. I can't remember if the cam lift and duration were the same. By the numbers, the FA20 engine is working almost 20% harder. Have noticed this issue with the fa20 and now the fa24, r/wrx_vb A chip A close button. Share Add a Comment. I’d consider swapping my fa20 for an fa24 if it blows down the road. I believe the chassis code for the hatch you want is GH, the 2015-2021 WRX is VA, and the 2022+ is VB. The new Subaru 2. Get app Get the Reddit app Log In Log in to Reddit. 2024 2. Subaru's FA20yeah, as cool as boxers are, the engine just isn't in the same league as the rest of the motors here. Given the historic parts differences between WRXs and STIs (using the same engine) are drivetrain, suspension, and turbo, the VB STI would have been an absolute monster as it would’ve been just as competent as a daily as it would've been on the track (especially if it kept the adjustable dampers from the WRX GT), like the rowdy manual version of the Audi S4. honestly wanna know as I have it in my outback limited but just wanted to know what you FBO horsepower one fa20? What are you guys averaging for horsepower with FBOs and flex fuel? I see some people saying 300, others saying, 340/350, a bunch around 320/330, and some guys claiming 400+ with minimal bolt ons and e85. You won’t run into engine problems sub 500 whp. reReddit: Top posts of December 22, 2021. FA24DIT performance, reliability, upgrades, & horsepower. There's only so much you can do with the FA20/FA24 and going 400HP with it is unrealistic imo. heavier than the older EJ20 and the weight of FA24 is a far more modern engine, with lessons learned from the FA20. An STI version of the FA24 would make more power than a FA20 given a similar turbo and head setup. It’s been done on a 15 WRX. Planning on researching further. New comments cannot be posted. Now that the VB is out, I’m curious how the VAs (2015-2021) have held up if it failed, comment the mileage. FA20DIT Engine Design. Just not quite enough for me to buy it over alternatives. Now the FA24 is better than the FA20 in almost every aspect except redline. 123K subscribers in the WRX community. Which oil would you guys recommend? lower hot grades are used specifically because they increase engine efficiency. Once you get to 450-500+ that’s where things get sketchy and the transmission is the big problem. I really liked this car in a lot of ways, but there were some annoying parts about it too, or things that I would have thought would be standard at an upper trim level on a luxury vehicle. As most of you are well aware, Tomei USA released their unequal length headers for the 2015+ WRX. But maybe if Ferrari,McLaren,RedBull, mercedes, The position of the driver relative to I'm on my second FA car, VA WRX and now an Onyx outback. The FA20DIT is a 2. One major difference is the ej25 engine and the fa20 engine. Horsepower is a calculated metric, based on the torque output of an engine at any given RPM Horsepower = Torque * RPM / 5252 The term has evolved over time, but was originally used to describe the amount of power output a steam engine could provide. But those bangs are spread out further apart. The 2015-2021 WRX has the FA20 and the 2022+ WRX gets the FA24. IMO, it’s still too early to be sure, but based on the power people are making with the FA24 and the fact that we aren’t hearing of them blow up (someone correct me on that point if I’m wrong), I’d take a VB over a VA WRX. Subaru FA20 engine application is the Subaru BRZ model - light and sporty coupe. The FA24 is getting close to EA888 in terms of tunability. Or check it out in the app stores An intake and a pro tune = 360 wheel horsepower and 400 wheel torque 🤩🤯 Locked post. I have been thinking abt just building an fa20 and running that again but after seeing the talk abt the fa24 it’s kinda enticing. 5K) you're putting tremendous stress on the engine while it's not accelerating as fast as in a lower gear. Horsepower is that torque, times the rotational speed of that shaft. 2021 RDX A-Spec post-ownership review I just traded in my RDX yesterday and I wanted to share my thoughts on the car for anybody interested in an RDX of this generation. 4 STi EJ257 @ 8. Please be anything over 500-600 is extremely costly for the ej as well, yes it may have a higher top horsepower record but the cost is FAR Also worth noting the larger displacement FA24 has been taken all the way to 600 wheel on the factory engine. F3, F3 etc are spec series. I saw temps north of 260. With proper lengthed runners the torque dip becomes a peak instead because the engine can add significantly more timing. Finally died around 4K miles. Show me a better front end then the 2018-2021 He’s talking about actual FA24 swaps and not FA20 swaps. The increased displacement allows for better torque than the FA20 and better consistency throughout the rev Issue of building a modern 6-cylinder boxer engine is that it'll be too complex and too heavy. reReddit: Top The new 2. Neither car is going to be a wrong choice, provided you get an STi with low miles that was untouched and not abused. I have owned 14 Subaru's with almost every engine from 1983 to 2021 . Or you can be Ryan Tuerck and put a 458 engine in a FRS With enough money you can make any engine capable of any horsepower. 5na for a ride you might want to try the CROSSTREX, but definitely drive the 2. Objectively, I like the Outback. Get an oil cooler, run properly weighted oil; this engine is not even close to EJ reliable. Is it correct or is it correct 23 votes, 26 comments. Oh this was a 2019, for the record. So the smaller engine does make the same bang as the bigger engine. I already have a legacy gt wagon with a full sti power train (fully built closed deck ej257) that I just had rebuilt so I don't think I would actually buy any Subaru right now as there is not an upgrade. You could definitely do worse! View community ranking In the Top 1% of largest communities on Reddit. The Ascent's From the factory, the FA24 makes between 260-271 hp and 258-277 tq, depending on the application. Sportsguy83's 550whp FA20. The STi has a superior transmission. ybr faailyo flcdol kptxv rtcck mcpx lwmx mccpm kammo txxrakv