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From a NX 75 shot to a 150 shot!

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Old 02-01-2012, 07:16 PM
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dorrifto
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Default From a NX 75 shot to a 150 shot!

So this project has been started, finished, then restarted again. i will post this in a timeline manor and that will explain why.

So I had swapped a rev-up VQ into my s14 over the summer. I am reaching about 800 miles since the swap. enjoying it. I decide on nitrous to be my next upgrade.

Started off getting the NX Express n2o kit

put the bottle in the trunk, duh.


Ran the line through a hole right here, and dropped it down and ran it along the fuel lines.


I have since affixed the gauge and auto bottle warmer since the pics have been taken, but haven't any new pics of it.


made a nice spot for my switches!



wot switch mounted

and wired


and nozzle is here


couldnt think of where to mount the solenoids. my set up is not a stealthy one at all. you can see the lines even when the hood is closed lol



I dont have a purge yet. still been trying to find one cheap. on a budget so yeah. I also have a zex rpm switch sitting on my living room table that I have yet to install. but that is the least of my worries.

About 1000 miles since the swap. I havent filled the bottle yet because I still have to get the timing retarded to handle the 75 shot.
BUT
I notice my dipstick getting low. damn revups. Nissan wont replace the short block because the engine isnt in the original chassis. not surprising.

so i must rebuild. Found some awesome stuff here on the classifieds for great deals. Sleeved block bored to 96mm. some h-beam rods and bearings. Getting some 96mm weisco pistons from a local vendor too.


SO i must pull everything back out.


six months to put it in, 3 hours to pull it out. that includes a trip to walmart for ratchet straps lol.


by the time I am done, I will be using the largest jets that my kit came with, 150, and I will enjoy the full reliability that i have an indestructible block

I am estimating low 11's, high 10's on drag radials.
my logic is as follows, so correct if you think it will be different:
how it was before nitrous; 12.6
with 75 shot (estimated cause i never filled bottle); 11.8
with 150 shot and engine build; 10.9


ZOMG ITS GONE!


that is it for now.
Old 02-01-2012, 08:53 PM
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ImWeeZzel
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good luck w/your build. in for the progress
Old 02-01-2012, 09:59 PM
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Duckeee
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fun project. good luck sir
Old 02-03-2012, 06:17 PM
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johnwigs
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got any info on the swap... im working on an HR swap with turbos (its not going to be a street car... legally) we've mocked everything up... just curious on any snag ups
Old 02-03-2012, 09:45 PM
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dorrifto
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here is my build
http://zilvia.net/f/s-chassis/377492...s14-build.html

and another guys build who did his own wiring.
http://zilvia.net/f/s-chassis/374604...-pic-hevy.html
Old 02-03-2012, 11:31 PM
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3hree5ive0ero
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I'm definitely in for this.


So, you can afford to buy engine parts and what not, but can't afford a purge kit?
Old 02-04-2012, 01:19 PM
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dorrifto
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Originally Posted by 3hree5ive0ero
I'm definitely in for this.


So, you can afford to buy engine parts and what not, but can't afford a purge kit?
pretty much yeah lol. buying the expensive shtuff cleaned me up, and any extra I have now is going to the machine shop to balance the rotating assembly, WHICH I just dropped it all off this morning!
Old 02-04-2012, 02:03 PM
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konrad
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I ran 150 shot on a rev up with no timing pulled. just step colder plugs. No wideband and I was fine spraying for a year. went through about 15 bottle fills
Old 02-04-2012, 02:12 PM
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3hree5ive0ero
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I'd be fine with spraying up to a 75 shot untuned and no timing retard, but 100 and above, I'd at least retard timing 2-4º for peace of mind.
Old 02-04-2012, 03:57 PM
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dorrifto
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Originally Posted by 3hree5ive0ero
I'd be fine with spraying up to a 75 shot untuned and no timing retard, but 100 and above, I'd at least retard timing 2-4º for peace of mind.
I will be doing 4 degrees and 2 step colder plugs.
Old 02-04-2012, 05:42 PM
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Originally Posted by dorrifto
I will be doing 4 degrees and 2 step colder plugs.
for 150 shot 2 step colder is too much. 4 degrees is ok for 150 shot. I would at least get a wideband to monitor you A/F to see if you are running correct jet size. I know with bolt ons sometimes the jets they recommend lean out a bit
Old 02-04-2012, 09:35 PM
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dorrifto
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Originally Posted by konrad
for 150 shot 2 step colder is too much. 4 degrees is ok for 150 shot. I would at least get a wideband to monitor you A/F to see if you are running correct jet size. I know with bolt ons sometimes the jets they recommend lean out a bit
I have an FJO wideband. both NX Express and the guy that is tuning my UpRev both told me to go two step colder... I too was originally going to just use one step colder, but after two separate sources, both more knowledgeable than me, told me that two step was better, I went with it.

And I am going with a 150 shot cause that was the largest jetting that came with my kit lol. Otherwise, I would push it to 200 =P
Old 02-05-2012, 03:28 AM
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sexcii-zenki
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god luck on build man, im def following it here...
Old 02-05-2012, 04:35 AM
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konrad
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Originally Posted by dorrifto
I have an FJO wideband. both NX Express and the guy that is tuning my UpRev both told me to go two step colder... I too was originally going to just use one step colder, but after two separate sources, both more knowledgeable than me, told me that two step was better, I went with it.

And I am going with a 150 shot cause that was the largest jetting that came with my kit lol. Otherwise, I would push it to 200 =P
so get a bigger jet online, they only cost a few bucks
Old 02-05-2012, 08:39 AM
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dorrifto
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Originally Posted by konrad
so get a bigger jet online, they only cost a few bucks
will the solenoids support them? I dont know what the solenoids max out at. I have the NX Express Proton Plus where both solenoids are in a little black box.

If they can keep up, I will totally put a 200 shot in there!
Old 02-05-2012, 09:09 AM
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Originally Posted by dorrifto
will the solenoids support them? I dont know what the solenoids max out at. I have the NX Express Proton Plus where both solenoids are in a little black box.

If they can keep up, I will totally put a 200 shot in there!
you can use a biger jet. the solenoid will not have a problem with it. but for that big of a jet I would use the Maximizer , to gradually increase the amount of nitrous.

I have a friend with a 98 mustang build motor. He runs 3 stages of 350 shot each. That car is a beast on a straight line
Old 02-05-2012, 10:14 AM
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^ Proof of said 3 stages of 350 shot each? That's some ridiculous amount of power/torque increase.
Old 02-05-2012, 05:28 PM
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dorrifto
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Originally Posted by 3hree5ive0ero
^ Proof of said 3 stages of 350 shot each? That's some ridiculous amount of power/torque increase.
I think he mis-typed. I bet it was 3 stages up to 350 shot... 1050 shot is unheard of!
Old 02-07-2012, 04:45 PM
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dropped the crank shaft, and all other rotating parts off at the machine shop to have the rotating assembly balanced. They asked for the flywheel and pressure plate, so i gave them the stock ones casue that is all i have in the garage. I havent yet bought new ones yet.... I hope that wasnt too terrible of a decision.... cause i DO plan on getting a new flywheel/clutch before everything goes back together.
Old 02-07-2012, 04:54 PM
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Originally Posted by 3hree5ive0ero
^ Proof of said 3 stages of 350 shot each? That's some ridiculous amount of power/torque increase.
I dont have picks of the engine bay. When the season starts I'll take some picks. He has a 5.0 build with some titanium rods and some crazy ****. From what I remember he spent somewhere close to 20k on the build.

Originally Posted by dorrifto
I think he mis-typed. I bet it was 3 stages up to 350 shot... 1050 shot is unheard of!
no typo here. Those v8 can handle the nos well if thats what its build for.
It's strictly a 1/4 mile car


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