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Old 02-05-2013, 12:33 PM   #1
Luis Franco
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Join Date: Nov 2010
Location: Monterrey, Mexico
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2011 WRX STi
Satin White Pearl

Default 11 Sti, Killerb Header, TMIC, Intake, DP, EBC 92oct

Got my car tuned yesterday @ JMS in San Antonio


Car is blast to drive and i think we got some good numbers

Mods:
Cobb SF intake
Killeb B EL header
Tsudo Catleed DP
Invidia N1 Race Exhaust
Grimmspeed EBC
Deatschwerks 65c Pump
NGK 1 Step Colder Plugs

Tuned for 92oct Mex Fuel

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Old 02-05-2013, 12:39 PM   #2
bebesito21
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Location: I <3 E85
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5862 ...baby boosted

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nice! looks like a fun daily driver. get some e85 or race gas in there and see how far it can go!
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Old 02-05-2013, 01:33 PM   #3
Luis Franco
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We don't have E85 in Mexico, but i could probably mix it myself (ethanol is easy to get and our gas does not contain any)
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Old 02-05-2013, 05:26 PM   #4
Porkchop-WRX
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Any idea what injector duty cycle was on this setup? On typical stage 2 its not uncommon to get very close to 100%. Wonder if by getter bigger injectors would net even higher gains.
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Old 02-05-2013, 06:37 PM   #5
Luis Franco
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I actually did not check that, ill ask the guys @ JMS to check the logs.


Also we had gotten to a point where we were @ another +10-15 hp we dialed it back, since i could not bring the 92oct no Ethanol fuel i would be using, so we tunes for 92 octane and dialed it down to a safe zone...
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Old 02-09-2013, 10:40 AM   #6
Luis Franco
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Quote:
Originally Posted by Porkchop-WRX View Post
Any idea what injector duty cycle was on this setup? On typical stage 2 its not uncommon to get very close to 100%. Wonder if by getter bigger injectors would net even higher gains.
Injectors were @ 85% so its still safe.
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Old 02-10-2013, 12:43 PM   #7
wildt267
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Wow it's impressive how you manage to keep your idc's down. Must have something to do with the header. I've seen how that header will produce more power with less boost than other headers. My idc's were running @100 just on a stage 2 setup.
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Old 02-10-2013, 01:45 PM   #8
Junior2JZ
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Quote:
Originally Posted by wildt267 View Post
Wow it's impressive how you manage to keep your idc's down. Must have something to do with the header. I've seen how that header will produce more power with less boost than other headers. My idc's were running @100 just on a stage 2 setup.

YEP! That header is an AMAZING piece.

OP Add e85 and have the pull start at 2k rpm, you will see 300ftlbs before 3k rpm.
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Old 02-10-2013, 02:06 PM   #9
mgwein
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wow this is AWESOME, great lines on the dyno.

Didnt know mexico gets non-ethanol gas, cool!
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Old 02-10-2013, 02:25 PM   #10
kakarot09
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Jr, I know you've done a ton of tuning on different setups, in terms of power torque and spool, how do you think the killer bee header compares to perrin, gt spec, tomei, invidia etc?
Seems to be very similar from what I've seen but I've never seen a back to back or anything.
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Old 02-11-2013, 12:31 AM   #11
Junior2JZ
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Quote:
Originally Posted by kakarot09 View Post
Jr, I know you've done a ton of tuning on different setups, in terms of power torque and spool, how do you think the killer bee header compares to perrin, gt spec, tomei, invidia etc?
Seems to be very similar from what I've seen but I've never seen a back to back or anything.

They are way ahead of the game. At first I figured they were the best choice for a 300-400whp car.... After tuning Manitou's XTi and seeing that even on a bigger turbo they work AWESOME I am sold. They spool faster, and make more power then the rest.

The rest of those brands are pretty much the same basic design that has been around for years
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Old 02-11-2013, 01:00 AM   #12
manitou
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OBP, Junior tuned 573WHP

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Quote:
Originally Posted by Junior2JZ View Post

They are way ahead of the game. At first I figured they were the best choice for a 300-400whp car.... After tuning Manitou's XTi and seeing that even on a bigger turbo they work AWESOME I am sold. They spool faster, and make more power then the rest.

The rest of those brands are pretty much the same basic design that has been around for years
I swear it makes my Dom 3.5xtr spool like a VF. The response is just amazing and I feel like we'll get every bit of power out of that turbo. I really think they change the VE of our motors more so than almost anything else we can do.
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Old 02-11-2013, 07:13 AM   #13
SenorDucK
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Quote:
Originally Posted by Junior2JZ View Post

YEP! That header is an AMAZING piece.

OP Add e85 and have the pull start at 2k rpm, you will see 300ftlbs before 3k rpm.
so that header is the reason his injectors aren't closer to 100% duty cycle, huh? good to know.
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Old 02-11-2013, 10:43 AM   #14
kakarot09
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Probably stock pump was falling off. He has a 65c
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Old 02-11-2013, 11:07 AM   #15
BlazeRex
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Quote:
Originally Posted by SenorDucK View Post
so that header is the reason his injectors aren't closer to 100% duty cycle, huh? good to know.
If anything the header would bring the injectors closer to maxxing out.
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Old 02-11-2013, 11:30 AM   #16
manitou
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Quote:
Originally Posted by BlazeRex View Post
If anything the header would bring the injectors closer to maxxing out.
Not with the right pump, FPR and base pressure! Do you understand VE?

With improved VE you can make more power with less fuel at lower rpm's!

Last edited by manitou; 02-11-2013 at 12:31 PM.
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Old 02-11-2013, 03:56 PM   #17
BlazeRex
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Quote:
Originally Posted by manitou View Post
Not with the right pump, FPR and base pressure! Do you understand VE?

With improved VE you can make more power with less fuel at lower rpm's!
If you're screwing with base pressure you wont have stock injectors or pump. Higher VE = More airflow. More airflow = Higher volume of fuel being injected. So my statement stands. Not sure how more airflow would reduce the fuel demands of the engine.

EDIT: Before I get torn apart on this, I realize VE can increase without total engine airflow increasing, and vice versa.

Last edited by BlazeRex; 02-11-2013 at 04:11 PM.
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Old 02-11-2013, 08:43 PM   #18
Junior2JZ
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Quote:
Originally Posted by BlazeRex View Post

EDIT: Before I get torn apart on this, I realize VE can increase without total engine airflow increasing, and vice versa.

Their you go
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Old 02-11-2013, 09:12 PM   #19
manitou
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OBP, Junior tuned 573WHP

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Quote:
Originally Posted by BlazeRex View Post
If you're screwing with base pressure you wont have stock injectors or pump. Higher VE = More airflow. More airflow = Higher volume of fuel being injected. So my statement stands. Not sure how more airflow would reduce the fuel demands of the engine.
You could easily have a stock pump, injectors but add an adjustable FPR and a larger gauge re-wire of the pump and easily benefit from these mods with increased fuel flow bumping up the injectors cacapcity and lower IDC's. More, air flow, more fuel, more power. That does not necessarily take VE into account though.\/\/

Quote:
Originally Posted by BlazeRex View Post
EDIT: Before I get torn apart on this, I realize VE can increase without total engine airflow increasing, and vice versa.
Quote:
Originally Posted by Junior2JZ View Post
Their you go
ding ding ding!

Last edited by manitou; 02-11-2013 at 09:18 PM.
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Old 02-12-2013, 03:26 PM   #20
wildt267
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Key word in volumetric efficiency is efficiency. Efficiency means doing more with less by definition. It's a beautiful thing!
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Old 02-12-2013, 04:45 PM   #21
BlazeRex
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Honestly I would be surprsied if duty cycle dropped at all. It would only be if they would be able to run it leaner. To reduce the amount of fuel needed, you need to lean it out or stop flowing as much air. Now unless they backed the car down power-wise with the headers, I.E. kept dropping boost until they made the same numbers as without the headers. So flowing less total air, but making the same power. That would be the only way IDCs would drop. It would only be minimal IDC savings, and would not be my tuning strategy. Actually taking advantage of what the header has to offer power-wise, I would expect IDCs to stay similar or even slightly more.

Last edited by BlazeRex; 02-12-2013 at 04:53 PM.
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Old 02-12-2013, 04:54 PM   #22
manitou
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I guess you just don't get it.....do you? I'm done trying to explain this to you! You either get it or you don't!! I'm not talking VE now! Don't confuse the two issues. Do a little more research and you may find out how we lower IDC and flow more air fuel and make more power!

Last edited by manitou; 02-12-2013 at 05:00 PM.
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Old 02-12-2013, 04:56 PM   #23
BlazeRex
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Quote:
Originally Posted by manitou View Post
I guess you just don't get it.....do you? I'm done trying to explain this to you! You either get it or you don't!!
What have you tried to explain? What experience do you have in the matter? I don't see (unless youre limiting power), How adding a higher flowing, more efficient header can lead to less fuel flowing.
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Old 02-12-2013, 05:04 PM   #24
manitou
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Quote:
Originally Posted by BlazeRex View Post
What have you tried to explain? What experience do you have in the matter? I don't see (unless youre limiting power), How adding a higher flowing, more efficient header can lead to less fuel flowing.
OK, stop posting and do more research, it's not theory, it's results and facts. Read this for instance;http://forums.nasioc.com/forums/show...5#post39127725
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Old 02-12-2013, 05:04 PM   #25
manitou
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Don't ask me any more questions!
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