Q&A with Trevor!

[BigTyla]

How do you like the Emanage? If you had the choice again, would you go with MAFT Pro? Or are there some features of Emanage that are more appealing to you (I know maft is coming out with timing control soon)?

[Trevor]

Originally Posted by mikes2nd

when Tuner Transformation installed their MAP ECU on their supra. They drilled and tapped their air temp sensor in the actual manifold? Is that a better place?

If the MAP ECU or Emanage Ultimate were a true speed density system like the AEM then that would be the correct place to put the IAT...but they're not. The MAP ECU and Emanage Ultimate don't even see the IAT signal. the signal goes straight from the sensor to the stock computer. The IAT should measure the temperature of the air going into the turbos...just the same as its done on a stock car.

Originally Posted by mikes2nd

Also I have... Phantom turbo's. Are 650 cc injectors a reasonable choice for street running around 18-20 lbs boost? Supra fuel pump(not hotwired but I prob better). My goals... A nice street 400hp car not needing race gas visiting the track maybe 3 times a year.

Fuel pressure, stick with stock levels right

This is my OPINION and some people don't agree with me but I think 650's are too big for any TD04 based bolt on turbo. Matt went 10.69 on 660's if that tells you anything. I'd go with 550's on a TD04 based car. Those will get you in the optimum range of 76-86% while at full throttle.

You don't need to hotwire the pump to run good times but it makes things that much easier. I went 11.5's on stock wiring with a Supra pump. The big negative is sometimes when you launch the car will take a second to switch to full pump power. Just after launch...during the time when you're at full throttle your fuel pressure will drop thru the floor and the car will lean WAY out and bog. All of the sudden the pump will make it switch to full power, the fuel pressure will recover, and the car will rocket away. It all happens very quickly but I've recorded it on multiple runs with my Defi gauges. After I hotwired the pump I had a much easier time getting off the line without bogging.

Fuel pressure? Use it to fine tune your IDC's to keep them in the sweet spot. 80-86% is perfect. Ignore your logger though...the IDC numbers on there are WAY off. I'm talking about calculating your TRUE IDC based on the power you're making by trap speeds vs weight or actual dyno numbers. Keep your base fuel pressre above 34-35 psi (that's with the vaccum disconnected) to keep the atomization up. Keep your full throttle fuel pressure below 75 psi. Anything above 75 psi is hard on the injectors and drivers in the computer that run them.

[SHiVeR-91VR4]

Originally Posted by mikes2nd

when Tuner Transformation installed their MAP ECU on their supra. They drilled and tapped their air temp sensor in the actual manifold? Is that a better place?

Also I have... Phantom turbo's. Are 650 cc injectors a reasonable choice for street running around 18-20 lbs boost? Supra fuel pump(not hotwired but I prob better). My goals... A nice street 400hp car not needing race gas visiting the track maybe 3 times a year.

Fuel pressure, stick with stock levels right?

Guess I could throw my .02 in for some of the non opinionated questions since I ran the ecu myself.

You don't need the temp sensor in the manifold. The map ecu and other speed density ecu's do not do the physics behind speed density. All they do is look up a certain pulse width for a certain temp and pressure and sometimes TPS level.

Therefore as long as you have a temp reading relative to ambient (anywhere in the intake path), you can build a map. It's safe to say that USUALLY when it's X degrees out and Y boost, your manifold temp will be Z. The only time this doesn't apply is under huge conditions of heat soak, but even then, it doesn't make a HUGE difference.

There are no good (fast reacting enough) and cheap enough temp probes to put into the manifold to make the calculations for the fuel anyway. 99% of aftermarket piggybacks and full blown standalones measure temp in ambient. The only one I know of that doesn't is the VPC.

650cc injectors are more than enough, supra pump will be fine, and you can go ahead and hotwire it so you don't have to worry about the voltages (this is what I had) for 20psi no problem. I was able to run 24psi on our pump 93 gas with all the mods I had at the time. But make sure to log and be careful to watch out for boost induced knock. You can always throw a boost a pump in there if you want to run more than 20psi.

Stick with stock base fuel pressure. Make sure to disconnect vac hose to the AFPR when you're setting base fuel.

[SHiVeR-91VR4]

Originally Posted by Trevor

Keep your base fuel pressre above 34-35 psi (that's with the vaccum disconnected) to keep the atomization up. Keep your full throttle fuel pressure below 75 psi. Anything above 75 psi is hard on the injectors and drivers in the computer that run them.

Here's a question you may know.

If base is 39, that means you can only run 36 psi until you get up to 75 psi.

What kind of things did you see/hear about it being hard on the injectors? Not sure how it would be hard on the drivers in the computer since they are electrical? Do you mean the solenoids in the injectors?

I will definitely be getting over this value with the setup I have.

[Trevor]

Originally Posted by Mellon

have you made a pass on the ultimate yet? what do you think about it?

I haven't actually installed it yet. I have drawn up my wiring diagram and I've transfered my MAP ECU fuel map over to the Emanage software and configured it. It should crank right up once I install it if I did my job.

I can say the software is the HEAT! My favorite thing is being able to reconfigure the columns and rows to any RPM or Boost pressure I want. I actually changed mine around to be 650-7400 RPM and -11.8 to 30.7 psi. That gives me maximum resolution and tunability.

It also will interoplate between any points...even 4 corners! Awesome.

I've already got a plan on running the BAP with the Ultimate. I'm going to use the Nissan Valve Control System (NVCS) map & output to ground the relay that controls my BAP.

The logging seems to be even more feature packed and high speed than my MAP ECU logging was too.

I think I'm going to wire up a datalogging switch so I can let the Emanage Ultimate datalog internally. That keeps me from having to boot up the laptop in staging on every pass and hit a button on it to start logging just before hitting the tree. Once I get back from a pass then I can take my time and download the previous data.

[Trevor]

Originally Posted by pacman3000gt

boost-a-pump or aeromotive?

If you could go back... would you keep the kenne bell? or use the aeromotive option?

The BAP works like a champ so I don't plan on changing. Plus, as far as I can see teh Aeromotive only drops voltage to pumps...it doesn't add voltage:
http://www.aeromotiveinc.com/pdf/16302.pdf

[91vr4n00maxima]

yes the aeromotive drops voltage to reduce flow at low loads....gee. that sounds familiar. LOL


would you reccomend the CC with the billet FW for my car? i dont mind noise of any kind. do you know of ANY other comparible clutches?



AEM, 720s, heads, cams, 18Gs

[mjannusch]

First off: Congratulations on breaking into the 10's, Trevor! Way to stick with it!

Questions:

Do you think you want to go even quicker than where you are at now?

What would you use for that next step?

Any regrets with sticking with the TD05 setup versus going Garrett where there are more choices?

How much do you think is achievable for weight loss if a person doesn't care about anything beyond structural integrity and a stock-appearing exterior?

[servidjo]

i may have glanced over it on the list of mods... but are you using stage 3 heads?

[Quick16TT]

Like mjannusch said, Any regrets with sticking with the TD05 setup versus going Garrett where there are more choices? This is where I am at a stand still do I go down the TD-05 road or do the Garretts! Both can go in the 10s! When the time comes what will you upgrade to a 18G or 20G??