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Forced Induction Forum Sponsored by Active Autowerke
Discuss supercharging, turbocharging and even nitrous and water injection here.
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Old 04-13-2014, 06:41 PM   #61
Bimme323
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Ok. A/F gauge finally installed.
Did not have time to do any runs. Will be finish next week end. At idle it stays at 14.6 14.4. Is that normal? Click image for larger version

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Old 04-13-2014, 08:47 PM   #62
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Yes, that is in the window of being normal.

Consider buying another bottle, a used one (any brand) from ebay will work just fine. You'll blow through your 5 LBS bottle quick, and it's great having a filled spare on hand.
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Nitrous is a little trickier than boost, but it's not the spray that kills motors, it's STUPIDITY!!
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Old 04-14-2014, 10:54 AM   #63
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Will do.

Ok did two runs nitrous .021 fuel .012
A/F was 12:1 - 11:9.

After the runs a burning smell comes from under the hood. Any idea what could this be??

For the 30 shot will do nitrous .025 fuel .014.
Any advices??


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Old 04-14-2014, 10:56 AM   #64
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By the way bottle heater was installed and nitrous pressure was between 910 to 940 psi.


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Old 04-14-2014, 11:23 AM   #65
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You do realize that nitrous by it self is NOT flammable.
Either way flammable or not this could happen

http://www.dragzine.com/news/overhea...-of-a-mustang/
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Old 04-14-2014, 12:30 PM   #66
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Either way flammable or not this could happen

I love stupid.
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Old 04-14-2014, 02:00 PM   #67
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Will do.

Ok did two runs nitrous .021 fuel .012
A/F was 12:1 - 11:9. Good

After the runs a burning smell comes from under the hood. Any idea what could this be?? Probably an oil leak, put some newspaper under your Bimmer and check for a drip the next morning.

For the 30 shot will do nitrous .025 fuel .014.
Any advices?? Start checking your plugs the way I told you to.


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Need Help With Your Nitrous Ambitions ?.....PM ME
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Nitrous is a little trickier than boost, but it's not the spray that kills motors, it's STUPIDITY!!
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Old 04-14-2014, 03:17 PM   #68
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For anyone that it serious about nitrous use, I highly recommend Nitrous Master Pro. It is expensive, but when you dig into the help menu, you will see what you are paying for.
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Old 04-18-2014, 12:29 AM   #69
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OP,

I just came across a picture of ZEX spark plugs, these plugs have three (3) ground straps. Please tell me your new ZEX spark plugs have only ONE (1) ground strap.

If your plugs have more than ONE (1) ground strap, DON'T SPRAY ANY MORE NITROUS until you change them.


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Need Help With Your Nitrous Ambitions ?.....PM ME
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Nitrous is a little trickier than boost, but it's not the spray that kills motors, it's STUPIDITY!!
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Old 04-18-2014, 07:24 AM   #70
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Yes,my zex plugs have 3 ground straps.
Part # 82003-6

Than why zex states that they are specially designed for nitrous and turbo applications.

Will change them for the NGK BKR7E v power single copper strap.


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Old 04-18-2014, 09:17 AM   #71
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You see, we weren't being jerks at all, and I am not rooting against this guy. But now we are up to a burning smell and the wrong plugs, in addition to the issues from before (crappy nozzle placement, bottle in backseat, runs without AF hooked up, etc). This wasn't necessarily an attack on the use of nitrous but rather an individual who seemed a bit too inexperienced to be dabbling in this area. the updates to this thread have confirmed my suspicions. I still hope the OP sorts this out before anything bends or melts.
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Old 04-18-2014, 10:30 AM   #72
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Burning smell came from a bad valve cover gasket. Was replaced!!




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Old 04-18-2014, 10:40 AM   #73
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How is it that you talk and talk about all the wrong stuff but my engine still runs??? Is it just my luck or you are making a huge deal about it.
Wrong spark plugs that zex recommends!!!
A bottle on the rear seat that I can easily close and open with a safety blow down line!!
Two runs using .017 nitrous .010 fuel without AF gauge.
Did 4 runs with .021 nitrous .012 fuel.
AF was 11:9 to 12:1

So far nothing has happened. It seems that the only one hurt here is you.

JASON!!!!! Rofl


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Old 04-18-2014, 11:15 AM   #74
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why so defensive? i am perfectly happy. i'm tired of people on this forum assuming a low post count means inexperience in a certain area. i have a high level of experience in this area and i like to see things done right. i also said i am not rooting against you, i am just being honest. relax. stop rolling on the floor and laughing, you'll catch something.

i will say, the argument "hey my engine still runs!" is not exactly the hallmark of an expert build. i'm happy it still runs. you are already running a lower shot than your initial stated goal and also just began tuning this thing. let's see longevity, nobody here, myself included, thought it "wouldn't work". it's a matter of reliability...safe power.

you will also be in trouble if a cop sees that in your backseat. if you want easy bottle opening, you can purchase a remote bottle opener. it isn't a fire hazard in the backseat and safety concerns may be overblown but i would still not feel comfortable with such a highly pressurized bottle of anything directly behind me.

it seems to me people in the tri state area seem very resistant to constructive criticism. since this ship has sailed and nobody is going to talk you out of doing it, now i just want to see it done right. like i said, i'm not rooting against you. i don't want to see a ruined e46. keep the updates coming.
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Old 04-18-2014, 11:48 AM   #75
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Quote:
Originally Posted by JasonLI25t View Post
why so defensive? i am perfectly happy. i'm tired of people on this forum assuming a low post count means inexperience in a certain area. i have a high level of experience in this area and i like to see things done right. i also said i am not rooting against you, i am just being honest. relax. stop rolling on the floor and laughing, you'll catch something.

i will say, the argument "hey my engine still runs!" is not exactly the hallmark of an expert build. i'm happy it still runs. you are already running a lower shot than your initial stated goal and also just began tuning this thing. let's see longevity, nobody here, myself included, thought it "wouldn't work". it's a matter of reliability...safe power.

you will also be in trouble if a cop sees that in your backseat. if you want easy bottle opening, you can purchase a remote bottle opener. it isn't a fire hazard in the backseat and safety concerns may be overblown but i would still not feel comfortable with such a highly pressurized bottle of anything directly behind me.

it seems to me people in the tri state area seem very resistant to constructive criticism. since this ship has sailed and nobody is going to talk you out of doing it, now i just want to see it done right. like i said, i'm not rooting against you. i don't want to see a ruined e46. keep the updates coming.

This guy is trying to help you man. No harm no foul. Do it right the first time it much easier and less expensive that way. Good luck.

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Old 04-18-2014, 12:31 PM   #76
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BMW 323i nitrous FINALLY!!!

Have fun with ur car and the knowledge gift that comes from venturing into the unknown. Good for u to take the risks and go with ur passion.... I remember doing NOS on my 1995 M3 CSL ... It was a 70 shot dry system and nobody at that time had run NOS on an M3 that I know of... I drove the crap out of it on the track lap after lap and ran perfect for two seasons before I supercharged it as well... I had no AFR gauge and read the plugs and engine temps to know how it was running .... All trial and error..... Sure glad I did it... Good for u


Note: one thing I learned was to never run NOS before 3k rpm..... Intake backfire will enviably happen and blowup intake... I had a guy on the dyno do that who didn't listen to my instructions...... New manifold followed.
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Old 04-18-2014, 02:04 PM   #77
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Wow, still a lot of arguing.

I for one am glad the OP had the fortitude to do this, a lot of guys dream about spraying nitrous but the OP actually installed a working system. Yes, he is VERY new to nitrous right now; But so was I when I first started. It's all about the learning curve and taking things step by step, I think he has done a fine job of this so far.

Also, based on the Extremely Small nitrous & fuel jets the OP first started/tested with, he could have screwed up almost everything and still been just fine. You really aren't going to hurt a 2.5L motor with a 13 hp shot (17n jet), or a 20 hp shot (21n jet). At least the probability for any type of failure is Brutally-Brutally low. Once he has sorted out these different issues he'll be able to spray a single nozzle up to about a 75 whp shot.


Rob43

PS, make sure you're running 93 octane gas for all of this.
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Need Help With Your Nitrous Ambitions ?.....PM ME
Quote:
Originally Posted by RacerX View Post
Nitrous is a little trickier than boost, but it's not the spray that kills motors, it's STUPIDITY!!

Last edited by Rob43; 04-18-2014 at 04:17 PM.
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Old 04-18-2014, 02:59 PM   #78
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The new spark plugs!!Click image for larger version

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Old 04-18-2014, 03:28 PM   #79
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Good, I'm glad you bought one step Colder plugs.

Read & look at this. If you can "Cut Back" your ground strap like the plug in the photo, that would be best. Then gap them to about .28 thousands.


http://www.sporttruck.com/techarticl.../photo_21.html



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"Chance Favors The Prepared Mind"

Need Help With Your Nitrous Ambitions ?.....PM ME
Quote:
Originally Posted by RacerX View Post
Nitrous is a little trickier than boost, but it's not the spray that kills motors, it's STUPIDITY!!
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Old 04-19-2014, 12:37 PM   #80
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Ok. Replaced the spark plugs to one step colder. Replaced jets to 0.25 nitrous .014 fuel.

Did 4 runs car ran smooth with an A/F ratio of 12:3 in all 4 runs.
Now i feel the pull on 2nd and 3rd gear.
Pretty much im making near 25 whp.
Next run will be nitrous .028 nitrous .015 fuel.
That will put me in the 30s




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