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Al's Nitrous Install Thread!

Old 01-04-2009, 08:22 PM
  #51  
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Originally Posted by Easy_E1 View Post
From my experiences it reads 67% at wide open throttle. Mine hits that number then drops a little bit to 66.8-9 %. You might try resetting it and see if it comes on more toward 67.0 %.
It's reading voltage at the TPS at that WOT point. So it just means it's reading max voltage a little sooner than WOT. Try resetting the ZEX module.
Can I do that now that all the hoses are hooked up? Like if I were to just turn the key to 'ON' and reprogram it?

Although I did reprogram it a few times.. but then I left it like that because I thought it was normal. The solenoids click a bit before the pedal was all the way to the floor...

And yes the car was fully warmed up prior to programming..
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Old 01-04-2009, 08:31 PM
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Originally Posted by alz0rz View Post
Can I do that now that all the hoses are hooked up? Like if I were to just turn the key to 'ON' and reprogram it?

Although I did reprogram it a few times.. but then I left it like that because I thought it was normal. The solenoids click a bit before the pedal was all the way to the floor...

And yes the car was fully warmed up prior to programming..
Well if it doesn't change after you doing it another time then I would think it will be alright.
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Old 01-04-2009, 11:57 PM
  #53  
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looking good so far, hope all goes well when it's all said and done.

Did you have the accordion part off at all? I ask because I'm looking at getting the spacer and will need to replace the accordion part at the same time and wondering if it will be more difficult... I have the RB intake but I cant really recall if it's a tighter fit the the RB or stock box... it does look a lot cleaner to have the spacer there though.
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Old 01-05-2009, 12:31 AM
  #54  
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Originally Posted by 8 Maniac View Post
looking good so far, hope all goes well when it's all said and done.

Did you have the accordion part off at all? I ask because I'm looking at getting the spacer and will need to replace the accordion part at the same time and wondering if it will be more difficult... I have the RB intake but I cant really recall if it's a tighter fit the the RB or stock box... it does look a lot cleaner to have the spacer there though.
Yeah I had the accordion tube off and on tried so many ways to get that damn thing to fit. In the end I had the accordion tube and the intake box connected and I forced in the same way I took it out.. I did have to chip out the little clip that holds up the vacuum tube for the intake tube though, no biggie. It was a PITA. So much of a PITA that I don't EVER want to remove that intake box again unless I'm uninstalling it all. That had to be the most "labor" intensive part of the whole install so far.

On a positive note, yes the spacer definitely makes for a clean ninja install. I cheaped out and didn't get the BHR nozzle to make it all ultra stealth and hidden.. but $ runs low. Just piped down $400 for a midpipe I wanted for a while.
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Old 01-05-2009, 02:13 AM
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whoops sorry didnt read, looks good!
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Old 01-05-2009, 07:46 AM
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Originally Posted by alz0rz View Post
Yeah I had the accordion tube off and on tried so many ways to get that damn thing to fit. In the end I had the accordion tube and the intake box connected and I forced in the same way I took it out.. I did have to chip out the little clip that holds up the vacuum tube for the intake tube though, no biggie. It was a PITA. So much of a PITA that I don't EVER want to remove that intake box again unless I'm uninstalling it all. That had to be the most "labor" intensive part of the whole install so far.

On a positive note, yes the spacer definitely makes for a clean ninja install. I cheaped out and didn't get the BHR nozzle to make it all ultra stealth and hidden.. but $ runs low. Just piped down $400 for a midpipe I wanted for a while.
fun... now I'm really looking forward to getting that lol. I'm probably not going with the stealth nozzle either.

The midpipe is worth it... I originally went with the supercat which was nice but I just went ahead and dropped the money on the catless and I'm very satisfied. I'm guessing you went with the RP?

edit: just remembered I need to make damn sure that the lines will reach from where I have the module mounted to the location of the spacer because I'd really rather not have to move the module... I'd almost prefer dropping the cash to get longer lines to reeach...

Last edited by 8 Maniac; 01-05-2009 at 07:48 AM.
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Old 01-05-2009, 01:01 PM
  #57  
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Originally Posted by 8 Maniac View Post
fun... now I'm really looking forward to getting that lol. I'm probably not going with the stealth nozzle either.

The midpipe is worth it... I originally went with the supercat which was nice but I just went ahead and dropped the money on the catless and I'm very satisfied. I'm guessing you went with the RP?

edit: just remembered I need to make damn sure that the lines will reach from where I have the module mounted to the location of the spacer because I'd really rather not have to move the module... I'd almost prefer dropping the cash to get longer lines to reeach...
I actually ponied up that money for a Mazsport Midpipe.. but the guy has been sketchy and I may have to move forward with a Paypal dispute.

Originally Posted by Charles R. Hill View Post
Like everything else, fitting the spacer on when using the factory accordion duct is only tough the first time you mess with it. I have had mine on and off few times and I am familiar with the angles now.

"wcs" reports no need to mess with anything while using the RB airbox.
Me hopes so! Thanks for your ninja help yesterday Charles.
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Old 01-05-2009, 06:01 PM
  #58  
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So I sprayed today. New pix on 3rd post.

It wasn't really what I was expecting!! I heard it and felt it there.. but it just wasn't the UMPH! Maybe I did something wrong? The sound the engine makes when it sprays is vicious though.

I will see if i can get chrism to ride in my car with me tomorrow to see if this is how he felt or if there was something more.

It is definitely there.. maybe I'm just thinking I did something wrong?

two things to add:

1. I'm temporarily using the existing hole in the trunk to route the nitrous line. As can be seen in the pictures...

2. While spraying on 2 attempts the car actually shut off on me as soon as I let off the throttle! I put it in gear however and she quickly came back alive.. but what could that be indicative off?

Last edited by alz0rz; 01-05-2009 at 06:28 PM.
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Old 01-05-2009, 08:19 PM
  #59  
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Subscribed. Looking to do this one day. Nice Diy with great pics.
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Old 01-05-2009, 08:55 PM
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im assuming you put the clutch in after the pull with spray and it shut off? then let out the clutch while it was in gear and it got going again

could be that since its spraying your effectively changing the A/F ratios while your spraying and this could cause it to bog down at idle? idk anyone elses thoughts?
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Old 01-05-2009, 08:57 PM
  #61  
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Originally Posted by learycd View Post
im assuming you put the clutch in after the pull with spray and it shut off? then let out the clutch while it was in gear and it got going again

could be that since its spraying your effectively changing the A/F ratios while your spraying and this could cause it to bog down at idle? idk anyone elses thoughts?
yes, i do believe I put the clutch in but that was after I let off the throttle.. good catch.. could that have done it?
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Old 01-05-2009, 09:31 PM
  #62  
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nice set up looks pretty clean!
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Old 01-05-2009, 09:50 PM
  #63  
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Thanks!

With that said it looks like I may have to take off the stock intake again!!

I didn't completely tighten a bolt on the throttle body and it's unreachable at the moment. I also will look into relocating the ZEX module. I am probably picking up a purge kit so the Tee fitting to the purge solenoid will most definitely not fit where I have the ZEX module right now. I will also be hooking up the sending unit for a nitrous pressure gauge at the module itself so I need more room. I'm thinking of mounting it on the intake tray itself.
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Old 01-05-2009, 09:54 PM
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well think about it, you know how you should spray at WOT, well if u sprayed, then let off the gas and put the clutch in you still have nitrous coming in, just a little in the lines and IM right?

so im gonna say nitrous when the engine is at idle isnt good and can bog it down?
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Old 01-06-2009, 02:30 AM
  #65  
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Originally Posted by learycd View Post
well think about it, you know how you should spray at WOT, well if u sprayed, then let off the gas and put the clutch in you still have nitrous coming in, just a little in the lines and IM right?

so im gonna say nitrous when the engine is at idle isnt good and can bog it down?

IDK about one? Cuz when you let off the gas the slonid closes and there is no PSI to push out the left over nitrous catch my drift? Its always good to shut it off before you let off the gas. But car shutting off? That's scary! Never happened to me I'm gonna say not normal any CELs?
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Old 01-06-2009, 12:57 PM
  #66  
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Originally Posted by Charles R. Hill View Post
Al's admission of having made the error in not fully torquing all four throttle body bolts leads me to believe that the likely vacuum leak under closed-throttle, high-RPM, conditions is the problem.

I would encourage Al to double-check the o-ring seating in the spacer before tightening that last bolt.
Yes, Master Charles.
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Old 01-06-2009, 01:16 PM
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im just brain storming, that man knows much better than me!
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Old 01-06-2009, 03:40 PM
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how long will a 10lb bottle last?? squeezing 50 shot? i am very interested looking in purchasing this ZEX kit and the throttle space and other stuff from BHR, i would also have to get the COB AP after also, i wanna buy everything, this thread outta all look like a clean install, good mounting point for the module,....but a question. Stealth nozzles instead of purple ones? black steel braided fuel lines? Keeping everything real stealthy, the module can stay purple as it is hidden under the air box am i correct?
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Old 01-06-2009, 05:08 PM
  #69  
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Originally Posted by ZumnRx8 View Post
how long will a 10lb bottle last?? squeezing 50 shot? i am very interested looking in purchasing this ZEX kit and the throttle space and other stuff from BHR, i would also have to get the COB AP after also, i wanna buy everything, this thread outta all look like a clean install, good mounting point for the module,....but a question. Stealth nozzles instead of purple ones? black steel braided fuel lines? Keeping everything real stealthy, the module can stay purple as it is hidden under the air box am i correct?
the BHR spacer has 3 holes, 2 on the side for nitrous and alky nozzes, and then there is a smaller one on the bottom which is used for the BHR stealth nozzle so you wouldn't see it at all.

-

So I tried it out today as well. I realized my bottle warmer SUCKED in the position it was in.. I did some readjusting, and even though the heating element took forever I finally got up to 900-1000 psi after something like 30 minutes of the bottle warmer on. It definitely made a difference in what I felt.

The motor screammmms in agony! This is fun.
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Old 01-06-2009, 05:42 PM
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I might've also done something against certain warnings.. but it's my responsibility now.
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Old 01-06-2009, 08:34 PM
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Can I dream for a sec?

*dreams*

BHR Ignition Controller module.

75 shot reliably.

*dreams*

One can dream, yes?
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Old 01-06-2009, 08:41 PM
  #72  
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Originally Posted by Charles R. Hill View Post
The concept has been validated by our electrical designer and we just need to make time to pursue THIS product, too.
Arrrrrrrrr!!!

The best way I can describe my experience when in "boost" is a harder VTEC transition. The sound the engine makes at that point is vicious and the pull is hard through to redline! Maybe not what I was ultimately expecting but will definitely make more cars familiar with the rear end of an RX8.

Last edited by alz0rz; 01-06-2009 at 08:47 PM.
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Old 01-06-2009, 08:55 PM
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Haha, I was just looking at your sig and said "Theres a dent in your driver door!" Then I looked closer and noticed that its just you taking the picture of the car LOL

Im glad to hear its all working well. The install looks really good!
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Old 01-06-2009, 08:56 PM
  #74  
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Originally Posted by baysj View Post
Haha, I was just looking at your sig and said "Theres a dent in your driver door!" Then I looked closer and noticed that its just you taking the picture of the car LOL

Im glad to hear its all working well. The install looks really good!
Thanks!!

And its funny you say there was a dent... because I just posted this: https://www.rx8club.com/rx-8-multimedia-photo-gallery-6/i-hate-human-race-163930/

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Old 01-06-2009, 09:01 PM
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Ouch man, that really sucks! I just had a hit and run in my beater about 2 weeks ago. If my RX hadnt been torn I could of been in the same boat cept it was driver's side.
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