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Old 12-23-2009, 10:20 PM   #1
Maxwell Power
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Member#: 190729
Join Date: Oct 2008
Chapter/Region: NWIC
Location: Marysville, WA
Default Maxwell Power Dyno Tune: 2.5L Hybrid + GT35R = 588whp

Event: dyno tune
Location: Maxwell Power Services in Arlington, WA
Ambient Temp: 46
Elevation: 200ft
Weather: Freakin' Cold


Car: 2002 WRX
Owner: Wesley D.
Tuner: Dominic Acia of Maxwell Power Services (DomTune)
Dyno Info: DynoCom
Peak HP at RPM: 588whp uncorrected, 562whp SAE corrected @ 6550
Peak Torque at RPM: 503 ftlbs uncorrected, 480.9 SAE Corrected @ 6000rpm
Baseline hp/tq for a stock on same dyno: 165-170whp
Target Boost: 27psi
Target AFR: 12
Fuel: Sunoco 110oct (leaded)
Method: Factory ecu equipped with Speed Density.

Engine/Power Modifications:

*Custom built 2.5L shortblock: JE Pistons, MPS Rods, OEM crank etc
*Mild hand porting on S20 heads (EJ20), Kelford 272 Cams, Enlarged Combustion chambers, Supertech valve springs, factory valves.
*GT35R w/ 1.06 turbine housing in custom rotated setup and the factory header.
*TurboXS FMIC w/ blow thru MAF housing
*ID 1000cc injectors, Perrin Fuel Rails, Walbro
*AEM 3.5bar MAP Sensor
Driveline Modifications:
*05 STi 6 speed and R180 swap w/ brembos/hubs etc
*Exedy Twin Plate Clutch

Suspension Modifications:
*05 STi stock components.


Just wanted to share what Wes's car did on the speed density ROM. The car screams when the turbo finally kicks in.

thanks for looking,
Dominic Acia
Maxwell Power Services
Arlington, WA
360-474-8225

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Attached Images
File Type: jpg (47)Wes's5.jpg (41.4 KB, 116 views)
File Type: jpg (47)Wes's22.jpg (42.2 KB, 94 views)
File Type: jpg wesD.xps.1.jpg (35.2 KB, 45 views)

Last edited by Maxwell Power; 12-24-2009 at 12:05 AM.
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Old 12-23-2009, 10:29 PM   #2
medamullet
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Member#: 99442
Join Date: Oct 2005
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I'm on CORN YO!

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Nice work DOM! I am saving for your motor
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Old 12-23-2009, 10:37 PM   #3
4eatFp68
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Join Date: Jul 2009
Chapter/Region: NWIC
Location: Renton, WA
Vehicle:
2002 WRX AUTO
WRB

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Wow, can you say company loaner car! MPS FTW, keep up the goodwork guys!
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Old 12-23-2009, 10:42 PM   #4
ownnij
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Member#: 70459
Join Date: Sep 2004
Chapter/Region: TXIC
Location: Las colinas, TX
Vehicle:
2002 AW Bugeye ej257
6spd, GT3076R, Alky & EWG

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what ems did you guys use? i see it says Factory ecu equipped with Speed Density? piggyback?
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Old 12-23-2009, 10:51 PM   #5
Maxwell Power
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Chapter/Region: NWIC
Location: Marysville, WA
Default

Quote:
Originally Posted by medamullet View Post
Nice work DOM! I am saving for your motor
awesome, I look forward to blueprinting it.

Quote:
Originally Posted by 4eatFp68 View Post
Wow, can you say company loaner car! MPS FTW, keep up the goodwork guys!
LOL, no the loaner is a 98 L with 306k miles! It's about to be stripped and converted into a car like Craig's RS.

Quote:
Originally Posted by ownnij View Post
what ems did you guys use? i see it says Factory ecu equipped with Speed Density? piggyback?
Factory 02 WRX ECU with a Speed Density enabled rom. No piggy backs. The rom has LC and a soft AntiLag setup, but it's a BLAST to drive. No MAF headaches.
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Old 12-23-2009, 10:59 PM   #6
juanmedina
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power drops a lot after 6.5K, I was expecting to hold a lot more power up top, with the nice heads and cams + the 1.06 AR. Is down like 30whp by 7K and 60whp by 7.5K

Is that normal?
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Old 12-23-2009, 11:14 PM   #7
Maxwell Power
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Join Date: Oct 2008
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Location: Marysville, WA
Default

Quote:
Originally Posted by juanmedina View Post
power drops a lot after 6.5K, I was expecting to hold a lot more power up top, with the nice heads and cams + the 1.06 AR. Is down like 30whp by 7K and 60whp by 7.5K

Is that normal?
factory valves and only a little bit of blending by hand. Heads really choke out around 550whp regardless of cams. You got to have a little more work done to them to get the flow up top.


I probably could have added a degree or two of timing up top to help, but it was getting late.
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Old 12-23-2009, 11:18 PM   #8
Maxwell Power
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Join Date: Oct 2008
Chapter/Region: NWIC
Location: Marysville, WA
Default

Also, it's my opinion that the 1.06 is just too big for this setup. The IC piping is pretty rough, the heads and valves like I said before don't flow enough, and it still has the factory header.
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Old 12-23-2009, 11:47 PM   #9
ownnij
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Member#: 70459
Join Date: Sep 2004
Chapter/Region: TXIC
Location: Las colinas, TX
Vehicle:
2002 AW Bugeye ej257
6spd, GT3076R, Alky & EWG

Default

Quote:
Originally Posted by Maxwell Power View Post
Factory 02 WRX ECU with a Speed Density enabled rom. No piggy backs. The rom has LC and a soft AntiLag setup, but it's a BLAST to drive. No MAF headaches.
man this is pretty awesome... i'm going to have to see if my tuner could do something like this for me. i was wondering how you guys were using a map sensor.
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Old 12-24-2009, 01:00 AM   #10
TDagen
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Member#: 163648
Join Date: Nov 2007
Chapter/Region: MWSOC
Location: Minnesota, mpls
Vehicle:
2002 Wrx,5.3L,S476r
FNF LSX Swap,E85 and more

Default

Very nice! So this was 27psi, what does this dyno compare to numbers wise on a chart of 1-10, 1 is a mustang dyno and 10 is dynojet? Also has anything been modified oil wise for 8000rpm? SICK work !
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Old 12-24-2009, 01:17 AM   #11
silversubiedude
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Join Date: Jun 2008
Chapter/Region: NWIC
Location: Everett Wa
Vehicle:
2002 slow wrx
psm

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Um I believe its some where in the middle Dom will have more info on that.

Nothing was modified on the oiling system. They can hold 8k if they are built right BLUE PRINTED and balanced.

Huge thanks to Craig for showing me how to blue print the engine and Dom for the countless hours and hundred's of reflash's we have done over the last year. Seriously the two guys to have build and tune your car hands down!

Thanks guys!

Heres a video from one of the first pulls. Gotta love antileg.


Last edited by silversubiedude; 12-24-2009 at 02:41 AM.
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Old 12-24-2009, 01:23 AM   #12
TDagen
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Chapter/Region: MWSOC
Location: Minnesota, mpls
Vehicle:
2002 Wrx,5.3L,S476r
FNF LSX Swap,E85 and more

Default

Nice! That sounds like a beast (Not talking about the AL either)...
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Old 12-24-2009, 07:47 AM   #13
Steve.804
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Location: Richmond, VA
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07 STI 35R
05 BMW M3 ZCP

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Nice peak power but for something to play with on the street I'd take that 30R car you also posted
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Old 12-24-2009, 08:11 AM   #14
wrxwhat
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Location: Long Island NY
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500 hp STI / 1100hp
Supra T / Stock G35

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588whp on 1 walbro?
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Old 12-24-2009, 01:48 PM   #15
Maxwell Power
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Chapter/Region: NWIC
Location: Marysville, WA
Default

Quote:
Originally Posted by TDagen View Post
Very nice! So this was 27psi, what does this dyno compare to numbers wise on a chart of 1-10, 1 is a mustang dyno and 10 is dynojet? Also has anything been modified oil wise for 8000rpm? SICK work !
proper clearances go a long way. Combine that with a polished oil pump and you're good to go for most cars.

Quote:
Originally Posted by Steve.804 View Post
Nice peak power but for something to play with on the street I'd take that 30R car you also posted
I hear that. However, Wes is looking for drag racing performance. That's why we're trying to find him a nice cheap, used header to throw on it. More top end power should come out of that.

Quote:
Originally Posted by wrxwhat View Post
588whp on 1 walbro?
Couldn't go any higher on the boost because we tapped out the fuel pump. Also, remember this is on race gas which is less of a load on the pump due to leaner AFRs. Could never do this much power on pump gas with just one walbro.

His fuel system has larger lines as well. This helps lower total flow restriction and gives you a little extra overhead.
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Old 12-24-2009, 03:24 PM   #16
wrxwhat
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Location: Long Island NY
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Supra T / Stock G35

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My walbro was out of steam at 475whp on c16, it just baffles me how I see all these cars with 1 ****ty walbro making huge numbers.
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Old 12-24-2009, 04:18 PM   #17
Maxwell Power
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Location: Marysville, WA
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you sure you have the right Walbro? there are two or three available for our cars. Some vendors sell the wrong pump.
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Old 12-24-2009, 05:48 PM   #18
juanmedina
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Member#: 133146
Join Date: Nov 2006
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Vehicle:
07 FPgreen [email protected]
WRX VF39+E85 12.0, 121mph

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Quote:
Originally Posted by Maxwell Power View Post
you sure you have the right Walbro? there are two or three available for our cars. Some vendors sell the wrong pump.
he probably got the 190phl
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Old 12-24-2009, 06:29 PM   #19
verc
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Member#: 41754
Join Date: Aug 2003
Location: san ramon
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03 wrx
gt35r, 2.5L, meth

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So what's the fuel setup besides the ID 1k's and fuel rail?

You mentioned larger diameter lines? This seems kinda interesting
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Old 12-24-2009, 07:20 PM   #20
wrxwhat
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Join Date: May 2005
Chapter/Region: South East
Location: Long Island NY
Vehicle:
500 hp STI / 1100hp
Supra T / Stock G35

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Quote:
Originally Posted by juanmedina View Post
he probably got the 190phl
lol I work at a shop, I had the 255lph pump. I have a Denso Supra pump now.
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Old 12-24-2009, 07:22 PM   #21
juanmedina
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Join Date: Nov 2006
Location: SC
Vehicle:
07 FPgreen [email protected]
WRX VF39+E85 12.0, 121mph

Default

Quote:
Originally Posted by wrxwhat View Post
lol I work at a shop, I had the 255lph pump. I have a Denso Supra pump now.
lol so why are you running out of injector?
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Old 12-24-2009, 07:29 PM   #22
wrxwhat
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Member#: 87653
Join Date: May 2005
Chapter/Region: South East
Location: Long Island NY
Vehicle:
500 hp STI / 1100hp
Supra T / Stock G35

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Quote:
Originally Posted by juanmedina View Post
lol so why are you running out of injector?
lol it was running out of pump bud, I have 1000's.. fuel pressure was dropping
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Old 12-24-2009, 08:25 PM   #23
1_STi_2NV
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Wow those are some good numbers. Have you guyz take it to the track?
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Old 12-25-2009, 01:19 PM   #24
Maxwell Power
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Location: Marysville, WA
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Quote:
Originally Posted by wrxwhat View Post
lol I work at a shop, I had the 255lph pump. I have a Denso Supra pump now.
there are two 255lph pumps. One is the high pressure pump and flows about 50lph more at boosted pressure levels. That's what I asking.

Quote:
Originally Posted by verc View Post
So what's the fuel setup besides the ID 1k's and fuel rail?

You mentioned larger diameter lines? This seems kinda interesting
that's it. Walbro, -6 lines, fuel rails and injectors.
Race gas is the big factor. Couldn't flow enough fuel at the richer afrs that pump gas requires.



Quote:
Originally Posted by 1_STi_2NV View Post
Wow those are some good numbers. Have you guyz take it to the track?
I wish. It's cold as heck up here in Washington State and there aren't any open tracks that I'm aware of. Trust me, when we get the chance, Wes will be there.
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Old 12-25-2009, 03:05 PM   #25
verc
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03 wrx
gt35r, 2.5L, meth

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Quote:
Originally Posted by wrxwhat View Post
lol it was running out of pump bud, I have 1000's.. fuel pressure was dropping
I'm wondering if Maxwell Power can chime in on why this is? I never really got the deal with 1000cc maxing out a single Walbro because at the standard 43/43.5 psi,

1000cc injectors @ standard 43.5psi: 4 x 1000cc/min = 4 liters/minute = 240 liters/hour, matches up pretty perfectly with
Single Walbro: 255 liters/hour



And I know this car isn't doing meth injection, but if it were, an M10/15 nozzle theoretically takes away 38/56 lph (plus any fuel savings from leaning it out) of load from the fuel pump - should be plenty of overhead! (basically the same for the M10 nozzle as going to the Denso Supra pump)
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