NITROUS OXIDE System Designs | Installation| Wet/Dry/Direct Port

Nitrous on NNBS 5.3

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Old Feb 20, 2008 | 10:37 PM
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Default Nitrous on NNBS 5.3

I am still trying to decide on nitrous or Forced Indution. Nitrous is way cheaper but i would like to have a radix or something. I found this kit from Harris Speed Works. What do you all think?

http://www.harrisspeedworks.com/shop...cat=364&page=1

Here is a kit from NOS, Its for a LS2 but will a ls2 plate kit fit a nnbs 87mm Drive by Wire?

http://www.holley.com/05169NOS.asp

I want some like a 75shot nothing really over 100HP. The truck in the sig is a nnbs drive by wire 87mm TB. Also i would like the kit to be consealable. maybe something in the air box?..i seen one pic of a applicatio were the nozzle was in the end metal part of a K&N filter.?..Im new to nitrous in Fuel injection might i add..lol

As far as other parts i might need, I am going to be upgrading the fuel system to a MSD pump booster. Maybe a new Fuel pump. What injectors?. and as far as a tune that no problem i have a HP tune and getting it retuned is no prob at all.. I need alot of help here guys.???
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I want some like a 75shot nothing really over 100HP. The truck in the sig is a nnbs drive by wire 87mm TB. Also i would like the kit to be consealable. maybe something in the air box?..i seen one pic of a applicatio were the nozzle was in the end metal part of a K&N filter.?..Im new to nitrous in Fuel injection might i add..lol

As far as other parts i might need, I am going to be upgrading the fuel system to a MSD pump booster. Maybe a new Fuel pump. What injectors?. and as far as a tune that no problem i have a HP tune and getting it retuned is no prob at all.. I need alot of help here guys.???
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Old Feb 20, 2008 | 10:58 PM
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best way to go is a wet plate kit. lines and solenoids will be hidden under plastic cover, and as for the main nitrous line, you can put black wire loom on it, bottle under back seat. 75 hp feels good, 100 hp will break tires loose in second but not too bad. 150 shot will get tires loose at 70 mph... trust me... i know also a 100 shot should not need a retune, but you should get a fpss, and all stuff like warmer, purge--- I pointed mine down at the throttle body, and a/f ratio gauge or safety switch. Also get a rpm window switch to save you tranny from a beating. it will feel like a turbo spooling up with a rpm window switch!!!

Last edited by vff_jeff; Feb 20, 2008 at 11:04 PM.
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Old Feb 20, 2008 | 11:10 PM
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fpss?...whats that

will the ls2 wet plate fit the nnbs truck intake throttle bodys?
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Old Feb 20, 2008 | 11:15 PM
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Fuel pressure safety switch... cuts nitrous off in the event of low fuel pressure... a/f switch is better cause it cuts nitrous if the air fuel ratio goes too low, same effect as the FPSS, but cover your *** in the event of a clogged fuel jet. Rpm window switch works with a Wide open throttle switch, nitrous system is only engaged at WOT and at the set rpm, it turns off once you reach second set rpm, or you let off the throttle. Point of this is not to spray while tranny is shifting, causes allot of wear. BTW you can have all of them, without problem too.
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Old Feb 20, 2008 | 11:32 PM
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Originally Posted by WFOsierra
i seen one pic of a applicatio were the nozzle was in the end metal part of a K&N filter.?..Im new to nitrous in Fuel injection might i add..lol
That would be a dry kit. Dry kits inject nitrous only, sprays before the MAF so the computer can compensate for it with extra fuel. Wet kits spray nitrous and fuel together, and either have a nozzle some were in the intake tube or a plate that bolts in between the throttle body and the intake manifold. Since your going to upgrade your whole fuel system anyways you could go with a dry kit, their cheaper. But you don't need larger injectors with a wet kit as your obviously spraying a fuel/n20 mix.
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Old Feb 21, 2008 | 10:48 AM
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will a 90mm wet plate kit fit the nnbs truck intakes?...they are a 87 with a 4 bolt pattern drive by wire?
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Old Feb 21, 2008 | 02:36 PM
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where do u get a/f safety switch ive heard of window and FPSS but not an a/f one.
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Old Feb 21, 2008 | 10:37 PM
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Dyno tune sells them... or at least they did. Call them up and see if any are left... were on ebay.
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