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- เผยแพร่เมื่อ 27 มี.ค. 2020
- I take the Corolla FX16 GT-S to get dyno tested. How much power did my shiny new exhaust add? What do you think should be the next upgrade?
Exhaust install video:
• 4A-GE Upgrade! New hea...
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I never realised you were still on stock ECU, my lawd you have so much potential power all across the rpm range to be gained!
ECU seems to be what everyone is thinking.
@@sushpants ECU
@@sushpants BRUH! ECU is the next step, a reflash of your stock one or a standalone, SO SO much power to be made, factory maps are really conservative.
@HELLISH An ECU and coil on plug conversation kit are on their way!
@@sushpants excellent man! cant wait to see the gains, but id guess somewhere around 140whp easily. your engine seems healthy and strong.
Also, dont get discouraged by that, getting more power out of such a great designed engine as your 20v is tough, toyota tailored the hell out of it, its no surprise the stock Map loses power with any other part that is not stock.
Keep it up! am a fan of your channel since long ago!
Love this series. Toyota squeezed quite a bit out of the 4AGE with the 20V blacktop: 5 valves per cylinder, variable cam timing, ITB's, high compression ratio, and lightened internals. An aftermarket ECU and an old fashioned port and polish will do you the most good; it is a mass market engine. Being able to tune the engine will be the best way to maximize power. Leave the bottom end alone. Need another t-shirt.
Rene Do you know about the 2zz? What do those need to become touge machines.
Am I the only one that comes back again and again to watch all his videos just to hear this car? ❤️🥺
It’s not just you. I also come back and watch them over again😄.
That result seriously shocked me 😮 was thinking of buying the same header for my AE101 since I have an OEM TRD catback exhaust and stock BT
Super cool to see you do tests on each setup. Awesome to see unique builds like this and can’t wait to see what motor mods are next!
The sounds of this engine are sick! Always a pleasure watching your videos, keep it up!
Great vid & props for following up with investigation and diagnosis. I never get tired of that sound...
From your graph, afr is lean around 4~5k rpm correspond to the torque curve dip, and richer the rest of the way compares to stock header. This should be just timing tuning and you should see better result, not sure if oem ecu can be tuned. If we are talking about going standalone, might as well upgrade cam+tune. After tuning, if injector cycle is reaching peak before it can fully saturate this 4-1 header, only then u consider going for uprate injector+pump. Should be at least 4 video worth of content there ;)
Edit: LOL mixed red from blue, red is stock after rewatch, sorry. So it's actually richer around 4~5k, lean all the way back. So, if that's due to injector fuel cycle already reaching peak, perhaps injector upgrade + pump + tune time
i was thinking about yanking out the injectors to be cleaned and tested. The pump has been upgraded already.
@@sushpants Good idea, might just be that.
It's a usual thing to see rich mixtures with factory ECU on 4ag and 3sg engines. I run an AFC neo on the 4ag to address that alone with some colder plugs and a bit of advance on the distributor. The factory injectors are already oversized and if you do decide to go with an aftermarket ecu.... You might as well swap in some cams.(Tomei 264/256) work very well with VVT.
@@sushpants do u recommend upgrading the fuel pump on stock injector for daily driven? Can we still maintain efficiency while driving in the city with low rpm? I've seen someone upgrading fuel pump on stock K20Z3 and its scream out so alive while in high rpm
I love this proyect so much. Excelent channel, video, editing, explaning, and CAR!!
Love your build man I’ve said it before and I’ll say every time I watch your videos it’s coming along amazing!
Thank you, buddy!
Well I think it's time to move on to an aftermarket ECU friend !!
Blak86 ....I’d like to see a haltec
@@victorbernabe4294 dang you like them expensive
Jacob Webb in all actuality the price for haltec is really reasonable..... u get a lot ...... especially since fuel turning is fairly easy on the elite series ecus
@@victorbernabe4294 i think Maxxecu could be better🤔
best part is 5:42 "meow"
Thats a 185hp "meow" at 5:42
The cleanest (and best sounding) FX16 ever. I liked the little RPM gauge in the corner when you were dynoing the car, it's little edits like that which make your videos so good to watch.
Awesome video as always! Love this little Corolla!
Big fan of your build since you started! Your video editing has only gotten better over time!
Thanks for being there from the beginning!
Just stumbled on this channel and I'm so glad I did.
Love your build! I used to have an FX16 GTS, 85 MR2, and an 86 Corolla GTS. I ultimately did the HKS stroker kit with 272 cams and Weber carbs. Basically it was a Formula Atlantic motor before fuel injection. It was a great car!! I got older and sold off the cars. 20 years later I still regret that decision. Good luck!!
Nice car
Nice cat
Good methodology
Nice camera work
Nice music
Subbed
I never knew how much power you can lose with a minimally broken exhaust manifold gasket. My FX got a custom made now. Buzzes like a butterfly and takes off like a hawk. Thank you for your channel. I've gotta get me one of those plates. Greetings to Leopold.
This build is so sick!
I love the sound of this engine! And very informative. Subscribed! :)
Intresting comparison, great content. Stay safe!
Love listening to this car sounds amazing
Amazing experience, big thanks
Still a dream car of mine! Such a rad car
thanks man... hope i can use your video for guidance in the future.. still finding knowledge on my car.. what should and shouldnt do.. great video man keep it up..
There isn't much info on the Corolla FX's, but join up some of the facebook groups. Lots of people there can help.
Thanks for the vids, learning from it all and hoping to apply it to my 4AGE silvertop! :D
Very fond memories of this little screamer.
Awesome video! Loved the information
Keep up the great videos
Videos with Cat automatically earn a instant subscribe.
Leo cat is best cat.
The car the engine is all nice... But that beauty of an angel cat its adorable ❤❤
Love the random cat clips ❤️❤️❤️i am melting
Ooh ooh ohh MR2 guy here hell yeah! First dude here hell yeah!
Love your videos so far. Would have liked to see plots of the afr before and after the header/exhaust as that would give an indication of how much change in airflow and what gains you might see with an ecu tune.
Such a cool car. My dad had red UK GTI version in the early 90s.
Definitely ecu,
It'll let you optimize what you got
And will leave you ready for more serious engine mods in the future ✌️
i don’t even have an fx16 but i love watching these videos anyways
One fun project! Next up will be cams to make use of the exhaust system.
Just finished for today my mr2 restoration and looking an exhaust....best timing 😂♥️damn your that 4age sound good
It sounds so good
good video man
Such a cool car man
Great video. I got an 87 fx. I'm working on runs great body is a bit ruff but fixable. I love seeing some one else building one. Most people where I'm at thinks there ugly. Lol I just think there fun to drive. Cant wait to see where you take this build. Stay up ride low 🙏👍💯
Pretty interesting to see, because all other tests I've seen has shown that large performance exhausts always improve horsepower and torque.
Beautiful sounds. Now upgrade that ECU!!! I’m subscribed
i think time for ecu so u can dyno test every upgrade.. great video man
Cams, springs, retainers, ported head, ecu and fueling and I think that’s most of what you need minus a full engine block rebuild (7A-GE)
on my setup i ran 2 stock headers basically using all the stock 20v piping to make a rwd header for the ae86 copled toa megan racing exhaust. worked great! nothing wrong with the stock piping. made 159hp and 161 on 2 different dynos. cool to see you do all back to back setup testing
You need an adjustable ecu to change the ign and fuel timing to optimise the header and catback addition. What size diameter is the header collector and catback system?
Very informative video!
Bolt on mods:
Better fuel pump,Larger fuel rail,Injectors
Ecu to correct every changes made
Intake yeah good enough
Exhaust try do a scavenging test with that header, maybe is just a bad scavenging (Make a video too)
More extreme mods:
Everything above and
Top:Cams, Valves&Springs, Port&Polish
Bottom:Full engine balancing, Oil baffle plate with windage & Larger bore and compression
Not a 4age expert but for a N/A Responsive build I'll go with this set up
My two favorite exhaust theory videos are No More Exhaust Myths on The Drive channel and The Engineering Behind Naturally Aspirated Horsepower by the Obsessed Garage channel. Both of those videos will give you a basic understanding of everything going on with exhaust tuning. Also, an easily tunable ECU will certainly make a big difference for your situation as well and let you tune for different velocity stacks.
Have to say this test shocked me. Keep up the methodical mentality, I love it. ECU then 'stage 2/3' camshafts, valve springs and retainers to suit then put your high flow exhaust back on. May need larger injectors and fuel pump to take full advantage. Porting/ignition upgrade will have diminishing returns for the money especially in it's current stage IMO. A bonnet scoop with sealed ducting to the ITBs would give a noticeable gain driving it hard on the street, I don't think you'd see any dyno measurable gain but for a road going 'touge' racer I'm sure you'd feel the edge
I have the same car stripped out as a race car. It has the Black top engine too. We built the engine up a bit stronger with 4agze rods and race bearings in the bottom end. With standard exhaust manifold and ECU. I was only getting 105hp at the front wheels (rods etc). Did a similar exhaust manifold mod and aftermarket ECU. With a good tune I got to 138hp at the front wheels. Still using standard cams. Go for an ECU and you will never regret it.
Always nice to hear those ITB's. One of the best sounding engines I know of.
Whats up man.. I drive a blacktop 20v aswell and recently changed from the stock computer box to an aftermarket ECU... And i must say the power difference is much better with the 4 into 1 header on the aftermarket ECU.. As your tuner will be able to adjust the air and fuel ratio accordingly.
TODA cams with adjustable vernier cam pullies will be the best next mod for the 20v.. If you can do the valve springs aswell will be fantastic to ensure the cams has good support from the bottom.
All the best bud keep the content coming.!!
Nice shirt! It's good to see a fan of TerminalMontage (likely also Melee) and the Corolla FX16 GT-S
I mean, you can put an ecu to maximize the performance of the stock engine. If it seems to struggle, do the cams as well. Nice to point out that flashy doesn't mean more performance. Great video once again!
my god i am in love with this car
Great stuff!That cat is pretty cute too hahah
Fantastic stock. It will serve hundred thousand miles no problem 👌
Super good vids!
Thank you, buddy! ECU install and test are next.
TRD headgasket and an adjustable exhaust cam gear to dial the exhaust cam. Standalone ecu will be best to get the best out every mod, however it's tuner dependent, see which standalone ecu your tuner is comfortable tuning and go with that. Excellent videos, keep up the great work 👌
When I pull the head for cams and springs, I think I will drop in the trd gasket. But ECU is the next step!
20v owner here, I think an ecu should be the first because it opens the door to many mods capable of huge things!
I think it's going to be an ECU next.
Subbed after the trumpet video. I really want to put some ITBs on my 7afe. Just cause haha.
yes yes brilliant!
Toda 272 9.2 lift inlet and exhaust camshaft
Supertec valve springs and retainers
Haltech Elite 550 ECU
With that same 4-1 header
Remove catalytic converter
Eagerly waiting for what's next.
A wide-body FX16 would look good and could allow for wider track width, which would improve the handling of the car on the touge , maybe even some fender flares would be good .
Absolutely ecu! Get some sequencial injection and spark and your power will absolutely increase, you'll have much more room to improve with a standalone ecu
Definitely an aftermarket ecu.
Use a 0.8mm Trd head gasket.
272 degree inlet cam with 9.1mm lift
280 degree exhaust cam with 9.1mm lift.
When doing these mods make sure you send the head and cams to an engineer so that they can lengthened the valves and setup the clearances. While it is at the engineer maybe get them to port and flow the head. Good luck and keep the videos coming.
280 degree cam? won't be too crazy?
@@sushpants No not at all. The lift I advised is pretty mild aswell it will be good for daily driving too. An aftermarket ecu is a must with this setup well either way I would advise the change from the stock ecu.
Makes me miss my old FXGT
First you need a standalone engine management, then you need to consider increasing compression which will increase torque throughout the rev range. The larger the camshafts that you consider, the more compression you should run. Also, you can consider lengthening the intake trumpets for more midrange torque. Taking full advantage of any of these things will require a standalone EMS and a good tune. Good content. Most people don't show this kind of information.
Dude i love your content! its super informative. Id say go with a megasquirt ecu! then anything you do to your car afterward can be optimized with tuning! Also, did you do the last dyno test with the filter?
Thanks! I've used a megasquirt on my supercharged miata, they're pretty good. I did back to back testing with the Pipercross filter and there was no difference in power.
Damn the open header sounds fucking killer! Plus id definitely say go for some crazy cams for some crazy hp and tq gains.
fun fact. i remember reading the trd bible theres a ae101 silvertop group a engine data . trd remain using the stock oem upper section (4-2) of header. and tinker with the lower section (2-to-1) and the rest of exhasut.
there might be some reason for some of the old school tuner like toms using the oem upper section and revised the lower section also
Aftermarket ECU for sure, either the Haltech Elite 750 or Link G4+ Monsoon and go COP. That would give you the best foundation to build off of since everything to be a true power setter would be restricted or not optimized by the factory ECU and ignition system.
here in SA we call it the chisel shape we love it
Nice Corolla
I'm going to echo what other people have said, an ECU is going to let you optimize the setup, especially since you already have the engine breathing freer with the ITBs and header setup. The next jump could be cams and fuel system. You could go for a less aggressive setup to keep it streetable and friendly to just drive around but give you the performance gains you want. Always love your uploads, and the cat is super cute!
I think ECU is going to be the next thing.
Buh I love the stock 4age 🥺
I almost ordered this header, guess I'll wait
Dude, you've got some taste.
I love the cat!
Don't know much about the 4AGE, but generally, High comp pistons, high degree cams, head package, and a port polish are the NA go tos.
And obviously a good tune with the appropriate ecu
thx for the video :)
I know turbo cars are a bit different but the best thing for my Impreza was getting a tune done to get as much power out of the stock components, it gained a fair amount of hp and torque though the range with very minor changes. So I would definitely look into getting the ECU tuned by a professional and or installing a stand alone unit to have even more control of the engine.
Exhaust diameter and ' free flow ' are not important. A to big diameter tends to slow down gas speed. It's all about exhaust gas speed and scavenging. Good luck!
Btw I am amazed the engine revs so high on stock ECU and cams. What an epic engine!
I have been looking for an FX-16 in Minnesota for years. Even out of state its rare.
I would see what the AFR is with the new exhaust. If the flow is better, it can get really lean, thats why it wont make any power. The manifold on the other hand, maybe try to get a aftermarket 4-2-1 manifold, this kind of design has always been superior in the vdub world.
AFR's were rock solid at 12.4. 4-2-1 clearly has advantages in torque.
@@sushpants I wonder if that exhaust actually flows better than the one you had on there then.
@@sushpants hey. I have a bzr trueno. I went from standard exhaust to 3 inch from the subframe right out the back. Car did 9.9 @ 66mph standard and 9.7 @ 75mph 3 inch in the 1/8th mile. I still have a standard ecu. To be honest, for the first few weeks after doing the exhaust it felt slower but eventually it started to improve and I could feel the difference. It also runs extremely lean.
I see you have like resonators and stuff in your exhaust. I think you should remove as many of them as you can. I only have one straight though muffler.
Rods, piston, camshaft, valve springs, adjustable cam gears, lightened crankshaft pulley and an aftermarket ecu...should do da trick!
Gotta agree with the others here that an aftermarket ECU is going to be the best way to make use of the new exhaust. Having said that...it is weird you had such a loss. My AE92 with stock silvertop and 2.5 "catback" made the same as my silvertop in my lotus 7 replica with custom 2" equal length primaries 4-1. So if you take into account the extra drivetrain loss of the rear wheel drive it made better power (though yes, it was a different yet stock silvertop).
I would like to see poncams! My BT AE-92 might be due for a strip/clean and some go-fast bits (have an AEM ECU lying around, maybe CoP?)
Check all vacuum and seals. Slight leaks make HUGE differences in 4A power in my experience
depending on how far you want to go, you should definitely do cams and an ecu. After that i would chuck in some high compression pistons and possibly some bigger injectors. also with the ecu you could upgrade to coil on plug which would help free up some more power and make it more responsive.
A Tomei 264 duration camshafts and an m84 motec ecu, coil on plug conversion in my opinion for starters since your goal is for the touge after all so you would need a usable power band
ECU and cams next.
Until that point, keep the aftermarket exhaust on anyway, because that's the raunchiest ASMR I've ever heard and I love it.
Dear Sushpants,
if you are still working with a stock head my suggestion would be to start porting the head with a 3 angle valve job. After this upgrade the cams. If you prefer street driveability have a look at catcams. They have been making within stock limits less duration higher lifft cams to maintain some driveability.
Although the ecu's are always made to abide emissions a different ecu can do miracles. (if tuned properly) but either way, to go to serieus mods you also have to open the engine. I would go head first, (stock cams) see if the ecu can work it and what it does. If you then replace the ecu. You can show the workings of a head compared to stock. Changing the ecu then can show that difference.
Going cams then and what not more can show that. (when changing cams maybe also go for the springs to make sure it is up for the task)
Rod, pistons and bolts are nice but if the bottom end is healthy stick with it and when you go go .5 oversize on the pistons while its open. Also, is the goal more power, more a reliable more powerfull engine or simply a peaky 10k rpm thing. As the cams will need high duration to obtain that and the bottom will need some love too.
Looking at your powercurve I find it strange, seen many black and silvertop 20v before but tthey all peaked before 7500 rpm? Or is this due to the modified intake ?
If fitting race cams you will need more compression and better valve springs. I have a 4AGE20V BT in a Locost Clubman race car. Very interested in your journey!! Good luck and keep safe.
I owned a fx16 gts quite a few years ago. I used Doug Thorley headers from trd which was for a mr2 so I had a local muffler shop modify it for me. I also used a hks catback exhaust system 50mm size. I wanted to install a lightweight hks flywheel which will let it wind up faster to get on the power band of the motor. Trd sold a pipe that deleted the hose from air flow meter to throttle body. Because of this installing cams is a waste of time and money.
I stopped modifying the fx and purchased a 1980 rear wheel drive corolla and built a 2TG motor (200 hp na)
Awesome video, go for cams, inyectors and a stand alone ecu