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Old 08-01-2017, 06:21 PM   #1
Motion Lab Tuning
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Member#: 228856
Join Date: Nov 2009
Chapter/Region: South East
Location: AEM Infinity Trained
Default Motion Lab Built 2016WRX 686WHP/603WTQ Current highest horsepower FA20!

Shop: Motion Lab Tuning
Dyno Type: DynoCom FX5000-AWD
Temp: 88F
Boost: 36.5PSI
Fuel: C16
Target AFR: 12:1
SAE Corrections: Default Corrections
Peak HP at RPM: 686.50whp @ 6050 RPMs
Peak Torque at RPM: 603wtq @ 5900 RPMs
Transmission: Stock 6 speed
Gear: 4th
Engine Management: Cobb AP V3
Engine/Power Modifications:
Congrats to our customer Steve who just wrapped up a build on his 2016WRX with us. Rocking our basic Stage 1 FA20 shortblock, we squeezed 686WHP out of the car today on the dyno. Stock heads were a MAJOR restriction. Running a Extreme Turbo Systems turbo kit and intercooler kit with a Precision 6466 turbo on C16, it could have gone further but not wanting to break anything we ended up finalizing the tune at 33.5PSI.

We had multiple runs over 680WHP with consistency, but wanted Steve to continue enjoying his WRX until he is ready to build further!

Vacuum hose blew off on this pull which is why you see the boost fall so rapidly. Car made 530WHP at 28PSI on 93OCT + Boost Juice.

Final HP/TQ w/ Boost and AFR:



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Alex Goodwin
[email protected]
MotionLabTuning.com - Engineering Performance
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Old 08-01-2017, 07:46 PM   #2
undyjr
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MAJOR restriction? What do your heads consist of? What did you do for fueling?

Last edited by undyjr; 08-01-2017 at 10:17 PM.
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Old 08-01-2017, 10:30 PM   #3
KillerBMotorsport
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Great job guys! What did you do for fueling besides C16?

Would be nice to see our Twin Scroll Turbo kit on that setup and pickup some lost mid-range. There is only so much you can push through those heads as the RPMs climb :/
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Old 08-01-2017, 11:13 PM   #4
undyjr
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Quote:
Originally Posted by KillerBMotorsport View Post
Great job guys! What did you do for fueling besides C16?

Would be nice to see our Twin Scroll Turbo kit on that setup and pickup some lost mid-range. There is only so much you can push through those heads as the RPMs climb :/
I happen to have the fury kit with a GTX3071R gen 2 and I want MOARRRR!
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Old 08-02-2017, 07:51 AM   #5
KillerBMotorsport
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Quote:
Originally Posted by undyjr View Post
I want MOARRRR!
I am plagued by the same curse my friend
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Old 08-02-2017, 09:59 AM   #6
Motion Lab Tuning
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Quote:
Originally Posted by undyjr View Post
MAJOR restriction? What do your heads consist of? What did you do for fueling?
Heads were bone stock other than a valve job that was done when the shortblock was built. Would have been nice to have put the available Ferrea springs, retainers, and valves in the heads. Also generally we will have the heads ported and gasket matched on larger turbo set-ups like this, Steve's head ports are stock currently. Lastly a turbo like this would benefit greatly from a proper camshaft with more duration and lift. Fueling was a DW 300c in the tank with a hardwire kit, and stock HPFP and injectors. It was not able to maintain 680+WHP without leaning out in the higher RPMS.

Quote:
Originally Posted by KillerBMotorsport View Post
Great job guys! What did you do for fueling besides C16?

Would be nice to see our Twin Scroll Turbo kit on that setup and pickup some lost mid-range. There is only so much you can push through those heads as the RPMs climb :/
Just an in-tank 340LPH pump hardwired on the alternator circuit. We found the limit of the fuel system, which is why we ultimately pulled some boost out of it before calling it quits.

We did expect a little better spool out of the turbo based off some preliminary street tuning where we were seeing about 18PSI at 4400RPM. Even at high boost it still is more fun to drive then the graph might lead you to believe. It is just a weekend car for him now, so the mid range has become a little less of a concern for his goals with it. You guys have been making the best headers for the Subaru platform for a while now though, so would love to see what your kit could do!

Thanks,
Alex
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Old 08-02-2017, 10:30 AM   #7
_brian_
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i thought it looks laggy but then i realized basically every 500 RPM is another 100 HP awesome. also stock 6 speed? wow. nice results overall.
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Old 08-02-2017, 12:13 PM   #8
Motion Lab Tuning
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Quote:
Originally Posted by _brian_ View Post
i thought it looks laggy but then i realized basically every 500 RPM is another 100 HP awesome. also stock 6 speed? wow. nice results overall.
Thanks! Power would have held a bit more flat up top on the high power pull, but one of the vacuum hoses on the front of the engine blew off and we lost boost rapidly.

Backed it down to 658WHP as that was where the fuel system seemed most happy.

Thanks,
Alex
[email protected]
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Old 08-02-2017, 05:28 PM   #9
vicious_fishes
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only revving to 6750? O_o
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Old 08-06-2017, 09:08 PM   #10
binny
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Quote:
Originally Posted by vicious_fishes View Post
only revving to 6750? O_o
Power dropping off from 6000rpm = no point revving higher??
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Old 08-07-2017, 08:16 AM   #11
KillerBMotorsport
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There are two philosophies forming on the WRX FA20 (which is NOT the same as the BRZ FA20). 1) Build the engine to rev it out, which is really freaking expensive. or 2) Capitalize on the engines natural mid-range power capabilities.

Personally IMO, these engines can make 3,000 RPMs of power with the later method MUCH easier than trying to change the engine design to shift the power band.
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Old 08-08-2017, 12:35 AM   #12
SubiSteveO
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Quote:
Originally Posted by KillerBMotorsport View Post
Great job guys! What did you do for fueling besides C16?

Would be nice to see our Twin Scroll Turbo kit on that setup and pickup some lost mid-range. There is only so much you can push through those heads as the RPMs climb :/
Yea would be nice to see something to get that mid range up like a 6062 or twin scroll. But I have like 95k into this thing with no sponsorship so everything I've done pretty much myself minus the engine assembly and tune. Still building to get over 700whp
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Old 08-08-2017, 11:56 AM   #13
Scooby921
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Cleaned

Discussions about the vendor should be in the vendor reviews area. Please refrain from going off topic in here. This thread is about results on a particular car, not Google's presumed status of a company or a review of someone else's reported experience with said company.
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Old 08-08-2017, 07:12 PM   #14
silversurfer05
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Quote:
Originally Posted by Scooby921 View Post
Cleaned

Discussions about the vendor should be in the vendor reviews area. Please refrain from going off topic in here. This thread is about results on a particular car, not Google's presumed status of a company or a review of someone else's reported experience with said company.
Wasn't giving a review. Was giving an answer to a question.
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Old 08-10-2017, 11:59 AM   #15
uofime
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It'd be nice to see a timeslip with some trap speeds to back up these numbers
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Old 08-10-2017, 12:14 PM   #16
Motion Lab Tuning
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Quote:
Originally Posted by uofime View Post
It'd be nice to see a timeslip with some trap speeds to back up these numbers
That would ultimately be up to the customer. Don't think he is ready to break drivetrain stuff yet. Not sure what needs backing up at 37PSI on VP C16 with a 90lb/min turbo, we expected it to make more.

Thanks,
Alex
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Old 08-10-2017, 07:15 PM   #17
03WRXWagon
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I think the back it up claim comes from your DynoCom and the bold statement that this is the highest HP FA. I have read they read higher than other dynos. Is that true?

I also read that C16 is leaded and will burn out the factory wideband?

Last edited by 03WRXWagon; 08-10-2017 at 09:52 PM.
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Old 08-11-2017, 12:59 PM   #18
Motion Lab Tuning
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Quote:
Originally Posted by 03WRXWagon View Post
I think the back it up claim comes from your DynoCom and the bold statement that this is the highest HP FA. I have read they read higher than other dynos. Is that true?

I also read that C16 is leaded and will burn out the factory wideband?
Customers that have ran on our dyno and then ran on a dynojet see nearly identical numbers. The previous record was with a 5862 Gen2 turbo running 38PSI on a lower octane fuel on a mustang dyno. So you are talking about a 70LB/MIN turbo with the 5862 making 643whp on a mustang dyno at 38psi, versus a 90LB/MIN turbo making 686whp at practically the same boost. Literally the turbo is 200HP larger than the one making 643WHP on a 109octane unleaded gas. So once again, we were surprised it didn't actually make more power at that boost which is why we said the heads are a major restriction along with the fuel system being maxed out.

C16 is leaded, and leaded fuels will degrade the o2 sensors over time. This is not something that happens immediately. The customer has a 93OCT + Meth injection map that he will be running normally. C16 was just to see what it could do and for the occasional weekend fun.

Thanks,
Alex
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Old 08-11-2017, 05:43 PM   #19
Turn in Concepts
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Did Cobb lift the pressure limit in the software finally? We ran into that a while ago, and it bummed us out as the car had more in it.
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Old 08-22-2017, 02:56 PM   #20
03WRXWagon
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Quote:
Originally Posted by Motion Lab Tuning View Post
Customers that have ran on our dyno and then ran on a dynojet see nearly identical numbers. The previous record was with a 5862 Gen2 turbo running 38PSI on a lower octane fuel on a mustang dyno. So you are talking about a 70LB/MIN turbo with the 5862 making 643whp on a mustang dyno at 38psi, versus a 90LB/MIN turbo making 686whp at practically the same boost. Literally the turbo is 200HP larger than the one making 643WHP on a 109octane unleaded gas. So once again, we were surprised it didn't actually make more power at that boost which is why we said the heads are a major restriction along with the fuel system being maxed out.

C16 is leaded, and leaded fuels will degrade the o2 sensors over time. This is not something that happens immediately. The customer has a 93OCT + Meth injection map that he will be running normally. C16 was just to see what it could do and for the occasional weekend fun.

Thanks,
Alex
Thanks for the response!
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