Installed NX Direct Port and Now having problems. Help!!!!
Thread Starter
Joined: Mar 2003
Posts: 4
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From: Scio, NY, US
Installed NX Direct Port and Now having problems. Help!!!!
Ok first I will stat with the setup. NX direct port nitrous kit; with bottle heater, WOT switch, NGK BRK7E's, fuel pressure safety switch and a MSD rpm window switch. I also upgraded my fuel pump to a walbro high flow high pressure fuel pump.
I put the jets in for a 50 shot to try the system out. Went out and started at about 3000rpm in 3 third and floored it. Got to the window switch setting and the car felt like it was going to go then it would bog. It would go back and forth like this quickly (bog, power, bog, power). I stayed in it till like 6000 rpm and let off. The faster I went the smoother it got. But there definitely wasn't the power that was supposed to be there. During this the car also did not sound right, I am not sure what detonation sounds like so I don't know if this is what it was or not. So what the heck is going on here?
It’s kind of hard to describe what was going but it was kind of surging. But even when it was a surge the power still wasn't what it should be. I was thinking that maybe the fuel switch was shutting the system down when it kicked in, so I tried it by jumping the safety switch and still it did the same thing.
It seems to me it was maybe to rich but I am not sure. I haven't had time to pull the plugs to c what they look like but, was hoping for some help on what might be going on here. I also forgot to mention that after one of the runs when i let off the gas and the car stalled like it was flooded couse it took a bit to get it started then it idle ruff for a second.
What I am thinking the problem is that with the knew fuel pump and no adjustible fpr the fuel pressure is way to high. Could this be the problem.
Guys I am desperate here any help would be greatly appreciated.
Thanks A Lot,
Jason Young
I put the jets in for a 50 shot to try the system out. Went out and started at about 3000rpm in 3 third and floored it. Got to the window switch setting and the car felt like it was going to go then it would bog. It would go back and forth like this quickly (bog, power, bog, power). I stayed in it till like 6000 rpm and let off. The faster I went the smoother it got. But there definitely wasn't the power that was supposed to be there. During this the car also did not sound right, I am not sure what detonation sounds like so I don't know if this is what it was or not. So what the heck is going on here?
It’s kind of hard to describe what was going but it was kind of surging. But even when it was a surge the power still wasn't what it should be. I was thinking that maybe the fuel switch was shutting the system down when it kicked in, so I tried it by jumping the safety switch and still it did the same thing.
It seems to me it was maybe to rich but I am not sure. I haven't had time to pull the plugs to c what they look like but, was hoping for some help on what might be going on here. I also forgot to mention that after one of the runs when i let off the gas and the car stalled like it was flooded couse it took a bit to get it started then it idle ruff for a second.
What I am thinking the problem is that with the knew fuel pump and no adjustible fpr the fuel pressure is way to high. Could this be the problem.
Guys I am desperate here any help would be greatly appreciated.
Thanks A Lot,
Jason Young
Honda-Tech Member
Joined: Jun 2002
Posts: 656
Likes: 0
From: houston
Re: Installed NX Direct Port and Now having problems. Help!!!! (00SiCronus)
your problems lie in fuel. try running the setup w/ an adjustable fpr. that should work, if not, try jettings. i know it sounds weird but sometimes the jets are too large on fuel and it will bog. you really shouldnt run a 50 dp , the jets are just too tiny for the application...very succeptible to clogging. how much timing is retarded?
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