I would like to install a Zex nitrous on my 370Z. What size hp jets can the stock VQ engine handle without damaging the engine? I am considering 125hp or
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07-28-2017, 05:56 AM | #1 (permalink) |
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Zex Nitrous Kits For 370Z?
I would like to install a Zex nitrous on my 370Z. What size hp jets can the stock VQ engine handle without damaging the engine? I am considering 125hp or 150hp jets. In the future I look forward to getting forged internals sometime but,would like to get some life out of the stock VQ engine. I plan for trips down the 1000 foot track. According to Zex you don't need a tune to run this nitrous kit? What supporting mods and fuel mods should I run with this Zex nitrous kit?
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07-28-2017, 06:44 AM | #2 (permalink) |
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If you have to ask these questions, you are nowhere near ready to touch a nitrous system
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07-28-2017, 06:48 AM | #3 (permalink) |
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That's a pretty good size shot on a Z, as those nitrous HP-Shots are calculated closer to RWHP.
I've heard tuning in 75 or 100 & nomal supporting mods to help. Engine wise; external oil cooler a minimum,then there is Headers & free flowing exhaust, porting your upper & lower intakes, nice CAI,,, kinda the usual. After you add everything up/ you're about 1/2 way towards a twin-turbo kit. Nik@SOHO is selling his Fast Intentions TT kit installed for around 15....installed w/freshened up turbo's.
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07-28-2017, 07:01 AM | #4 (permalink) |
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Maybe 1/3 of the way...pending on quality of parts.
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07-29-2017, 09:28 PM | #5 (permalink) | |
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Quote:
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07-29-2017, 10:45 PM | #6 (permalink) |
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I've seen a few Z's dyno w/400+ rwhp...which is good; because the torque was right near it...I've been wishy-washy on this one...as in the older days; a PoP,,,was not good.
But the newer systems are designed to not work/ if all conditions aren't met.
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07-30-2017, 01:20 AM | #7 (permalink) |
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CarbonZ made 424whp with a restrictive exhaust on the nitrous express GTR plate kit. Which I'm selling If you're interested. It a also comes with 25,50,75, and 100 shot jets
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07-30-2017, 01:38 AM | #8 (permalink) |
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No thank you I am going with a new nitrous kit. What fuel injectors and fuel pump did he run do you know? What jets did he choose to run? How did his tune go?
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07-30-2017, 01:53 AM | #9 (permalink) |
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I do know the stock VQ engines max whp you can run even with a good tune is 400-450 whp. Anything higher than 450 whp is running on borrowed time without swapping to a forged rotation assembly. This is why I am asking for advice so I don't damage my engine.
Last edited by Quicksilvers; 07-30-2017 at 02:03 AM. |
07-30-2017, 03:27 AM | #10 (permalink) | |
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Those jet sizes are what i've seen & i'm sure are compatible w/oem injector's & fuel system. Up-grading the fuel system w/return lines,larger pump,injector's...would probably support more...but goes back to Quicksilver's original question.
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07-31-2017, 03:54 PM | #11 (permalink) |
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He was running the 125 shot. Not sure if you need larger injectors or pump, however I know you can run a 125 safely with a good tune.
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07-31-2017, 04:02 PM | #12 (permalink) |
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U need a bigger pump and injectors would be a good idea. I have ran through at least 60 bottles with no problems. U need colder plugs as well..
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