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Forced Induction Turbo, Supercharger, Methanol, Nitrous


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Old 11-17-2013, 01:06 AM   #351
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Quote:
Originally Posted by JackSmiley View Post
Why would it taper off?
A lot of things can affect this. Faulty boost controller, boost leak, internal wastegate, turbo running out of breath.

It wasn't the boost controller or boost leak as I and other owners have tested both. It's a combination of internal WG not being able to control boost like external does and turbo running out of breath at higher RPMs as its rated to about 18 psi and was getting close with 16.

If this post has mistakes, blame Autocorrect
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Old 11-17-2013, 01:09 AM   #352
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Quote:
Originally Posted by Sportsguy83 View Post
A lot of things can affect this. Faulty boost controller, boost leak, internal wastegate, turbo running out of breath.

It wasn't the boost controller or boost leak as I and other owners have tested both. It's a combination of internal WG not being able to control boost like external does and turbo running out of breath at higher RPMs as its rated to about 18 psi and was getting close with 16.

If this post has mistakes, blame Autocorrect
Which Internal WG (Psi) did you have ?
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Old 11-17-2013, 01:11 AM   #353
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Which Internal WG (Psi) did you have ?
The WG spring was 8 psi

If this post has mistakes, blame Autocorrect
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Old 11-17-2013, 03:28 AM   #354
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Originally Posted by JackSmiley View Post
upgraded injectors and pump? I love how this kit produces torque.
Yes. Both are upgraded.
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Old 11-17-2013, 09:59 AM   #355
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Quote:
Originally Posted by JackSmiley View Post
Anyone with an upgraded pump and injecters running this kit >10psi?
I was as well. Till kabooooooooom!

Now I'm at 8.
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Old 11-18-2013, 02:09 PM   #356
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Quote:
Originally Posted by JackSmiley View Post
Anyone with an upgraded pump and injecters running this kit >10psi?
PTuning ran my car spiking at 10.5 psi with just upgraded injectors. Technically >10 but probably not what you're looking for haha. I turned it back down to 5 psi at autocross though. Car needs more tire to handle that powaaaa.
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Old 11-18-2013, 08:44 PM   #357
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For people that are experiencing boost control issues, if you are using a wire-in boost solenoid controlled by Ecutek reflash, you will need to contact your tuner. They did not have Solenoid control hertz correct in the software, and this was the cause of insufficient boost control. That's been fixed, and the latest updates need to be applied.

The Taiwan race car is running a clean 14psi of boost all the way to redline with no drop off. It's set up with an 8psi wastegate actuator and the AVO EBC, and it has a twin 2.5" exhaust system from the crossover back. Did 40 lap race without any issues. If anybody is experiencing boost drop off, the main culprit would probably be back pressure in the exhaust system. Trying to push 350~380whp through a 2.5" exhaust is difficult. An easy way to check your exhaust for back pressure is to hook a boost gauge up to it off an o2 sensor bung with a long steel pipe to measure the back pressure. You'll be surprised what will see, we've seen up to 8psi of back pressure on some systems.
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Old 11-26-2013, 03:35 AM   #358
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I'm still running e85 at ~9 psi just from their stage 2 actuator that was labelled 7 psi. The header is mostly holding up after going to the newer gaskets although I am hearing some leaks under certain load / heat, during track days etc but we can't see any damage or carbon when inspecting joins.

Going 3" will alleviate it but haven't been watching what's come out and other projects are taking up most of my time lately.
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Old 11-26-2013, 09:55 AM   #359
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For those that say the EcuTek controlled EBC does not work, here is a boost graph plot from my car

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Old 12-09-2013, 07:09 PM   #360
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We are heading back to the dyno to see how the FA20 with AVO kit like the fully ported head and cams we are testing. not changing anything until after we have number. Then we are going to up the boost, add E85 and a EBC.
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Old 12-13-2013, 09:21 PM   #361
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We took @DesertFrs 10 series to the dyno bill hooked the ebc up and pined 9psi to redline. We will post some of his dynos as soon as we get the email
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Old 12-13-2013, 09:40 PM   #362
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Picked up my avo stage 1.5 today fully installyed and tuned by @Drift-Office!

Car is performing great.
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Old 12-13-2013, 09:50 PM   #363
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Stage 3 testing on the AVO Turboworld Japan BRZ

We've been hard at work here at AVO on a variety of projects, with possibly the biggest one right now being the Stage 3 upgrades for the AVO BRZ/FR-S turbocharger kit. Our Stage 1 turbocharger kit has been incredibly popular worldwide, and has made a lot of people very happy by bumping the power up dramatically, from 165whp to 260+whp. Yet some people want more, much more, and we've listened to their requests.

It would have been easy enough to just up the boost and get a few glory runs on a dyno, but we are far more committed to our customers long-term enjoyment than that. We wanted Stage 3 to be as reliable as possible, with all the high-quality engineering and attention to detail that has been a trademark of AVO for the last 40+ years.

To this end, we spent a considerable amount of time and testing on our fuel pump upgrade, as the car was already starting to reach the limits of the pump at 300whp, and we were planning to go much further than that. After much time and effort, we have now got a full bolt in, no fitment compromise fuel pump that does not require any re-wiring or dremelling. It clips right in to the assembly, and doesn't require you to have the fuel filter mashed up against the bottom of the pump housing. The standard wiring harness will clip right into it as well, and it doesn't require additional O-rings to seal up.



Matched up with that is our upgraded Port Injectors. These were also designed to fit to the BRZ/FR-S, with the longer "neck" on it so that they reach down into the intake system and spray properly, unlike some other "short" designs that merely let the gas puddle down. Put these together with the fuel pump, and we now had the fueling to push the engine further.

But why so much extra fuel? Because we upgraded the turbocharger as well! The Stage 3 turbocharger utilizes a new billet compressor wheel with a more efficient design. While the overall size of the turbocharger hasn't changed, the flow has improved dramatically enabling us to push it harder at higher boost levels. This allows up to bump up the peak horsepower available while keeping the impeccable low-end torque that makes this turbo kit such a pleasure to drive.



The final piece of the power puzzle is the complete 3" exhaust system that will come with this kit. We don't mean just from the cat-back, no, this exhaust is 3" from the turbo charger exhaust housing back. The turbo discharge pipe and crossover pipe have been re-designed to provide maximum flow from the turbo all the way back.



As part of the testing we recently put the Stage 3 kit through it's paces at the RevSpeed Super Battle Time Attack at Tsukuba Circuit. It went very well, with the car going roughly 1.5 seconds faster around the circuit on the exact same tires as earlier in the year. Power through the corners was very well controlled, and it was a rocketship exiting the corners and on the straights.



Immediately after the event we put the car on the dyno to see how it was doing at the race settings. Power was quite impressive, with 373whp on tap at 6400rpm, and a peak of 318ft/lbs of torque at 4800rpm. Even more exciting is how it was doing 290ft/lbs of torque from 3300rpm. This is a quick-responding turbo!

We are still undergoing testing, but expect to see this available soon from AVO!
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Old 12-13-2013, 09:54 PM   #364
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Ooooooooo those look good where do i sign the liability release forms hahaha
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