Profec B, PLX, and Neptune?'s

[mx-6er]

Alright so I have a few different questions that I've been wondering about so here it goes. I have a Greddy profec-B and I didn't recieve all the stock vacuum hose with it. I know it comes with a couple of larger diameter hose so I was wondering if this would throw values off on the unit itself since I'm using a little smaller than what is called for?

Next question is I'm going to be running neptune rtp and I need to know which of the gray or white wires coming out of the back of my plx unit needs to be connected to the ecu to re-create the narrow band signal or will neptune accept a wideband signal?

[john]

I used whatever hose I had lying around at the time when I used EBCs. Most of the time it was 1/4" windshield washer hose from Napa.

[mx-6er]

I used whatever hose I had lying around at the time when I used EBCs. Most of the time it was 1/4" windshield washer hose from Napa.

x2 on the windshield washer hose napa, holy coincidence. It was Consistant for you correct? I just don't want the logic the greddy holds to be thrown off by other variables.

[bd_240]

Are you aware that neptune has progressive boost control?

[mx-6er]

Is there any kind of extra add on solenoid I have to buy like the hondata system?

[sirtef9]

x2 on the windshield washer hose napa, holy coincidence. It was Consistant for you correct? I just don't want the logic the greddy holds to be thrown off by other variables.
What profec you running Paul? My profecB 2 never came with the inline filters or supply hose, I used Vaccum hose for that and don't have any issues.

[john]

x2 on the windshield washer hose napa, holy coincidence. It was Consistant for you correct? I just don't want the logic the greddy holds to be thrown off by other variables.

Worked like a charm. When I was doing my recent upgrade, I used the same hose with my hallman mbc.

Good luck with the beastie. :)

[bd_240]

Is there any kind of extra add on solenoid I have to buy like the hondata system?

Yea you have to buy the solenoid but i believe its only like 50 buck. I was gonna run it on my car if i ever boost it. I like the fact that you can run different boost levels for each gear.

[mx-6er]

Yea you have to buy the solenoid but i believe its only like 50 buck. I was gonna run it on my car if i ever boost it. I like the fact that you can run different boost levels for each gear.

Yeah I got a feeling I'm gonna love boost by gear, I think I got everything figured out though. Any one have any ideas on the wideband input into the ecu?

[mx-6er]

Worked like a charm. When I was doing my recent upgrade, I used the same hose with my hallman mbc.

Good luck with the beastie. :)

Thanks it's coming along nicely I'm getting ansy to get it on a dyno!

[bd_240]

Yeah I got a feeling I'm gonna love boost by gear, I think I got everything figured out though. Any one have any ideas on the wideband input into the ecu?


This was gonna be my sequence..

1st. 7-8psi
2nd. 11-12psi
3rd. 15-16psi
4th and 5th. 20+psi

[mx-6er]

Yeah I think I'll probably go just along those lines maybe a little higher in second and maybe third. I like the sound of some squealing ass tires.

[bd_240]

Yeah I think I'll probably go just along those lines maybe a little higher in second and maybe third. I like the sound of some squealing ass tires.

Agreed sir.

[thebluesky]

Which plx unit are you running?

[mx-6er]

http://www.plxdevices.com/M-Series_productinfo.htm M-300

[thebluesky]

http://www.plxdevices.com/InstallationInstructions/M-200_250_300UsersGuide.pdf
This should help you out. The gray wire is the narrowband output, the white a wideband output.

As to whether or not your neptune accepts a wideband signal, you'd have to ask Servion.

[justin]

You should be able to use that boost solenoid from the profec B w/ the ecu managed boost control, if you end up going to that.

Justin

[mx-6er]

http://www.plxdevices.com/InstallationInstructions/M-200_250_300UsersGuide.pdf
This should help you out. The gray wire is the narrowband output, the white a wideband output.

As to whether or not your neptune accepts a wideband signal, you'd have to ask Servion.

I didn't get any of the capacitors with the unit since I got it new but not in it's original packaging, so I guess I'd have to go to radio shack to get those.

Yeah Justin that is a good idea I'll definitely have to ask servion about that also. Thanks!

[justin]

Oh, the neptune should work fine with a wideband o2 sensor as well. When servion and I tuned our old cars like 6 years ago we used a wideband in place of the stock o2 sensor and it worked fine, with our Hondata's. I can't imagine neptune would not be able to do the same thing nowadays.

edit: If I remember right, we did have to make some calibrations for the o2 sensor voltage so the hondata knew what it was seeing. Anyways Jeremy can get you all squared away w/ that, enough of me trying to remember crap from ages ago heh.

Justin

[mx-6er]

Yeah so I guess I'm set, I went searchin on the net and found most the answers I need.