do i need a tune if i squueze?
do i need a tune if i squueze? i recently got the zex kit and it comes with the 75,100,& 150 shoots.............. im new to nitrous and all i have is bolt ons and a stall converter a 4k....anyways,i heard you have to change the spurk plugs..........if you do which kind guys, second do i have to get tuned for nitrous, and finally i keep hearing about letting of the nos when you shift? the zex system sprays at open throttle so wtf, im confused lol cuz i have an a4, sorry if the questions are stupid but im new to this thats why i want to ask you smart techs out there.....im a 20 year old college student and the last thing i need is a blown motor..thanks!
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Joined: Nov 2001
Posts: 29,404
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From: Houston, TX
Originally Posted by redformulaws6
...i heard you have to change the spurk plugs...
Yes, plugs will help, NGK TR6 like Speed Density mentioned.
Originally Posted by redformulaws6
...second do i have to get tuned for nitrous...
Originally Posted by redformulaws6
...and finally i keep hearing about letting of the nos when you shift?...
A wide open throttle switch will not let you. The tune should help you there, if you were a M6 car then yes and that would be by letting off the gas pedal (WOT switch).
Originally Posted by redformulaws6
...the zex system sprays at open throttle so wtf, im confused lol cuz i have an a4, sorry if the questions are stupid but im new to this thats why i want to ask you smart techs out there.....im a 20 year old college student and the last thing i need is a blown motor..thanks!
Stay in drugs, don't do school...... j/k man
Peace,
Craig.
you will need a window switch so that it cuts off before your shift points. Also yes definatly get a tune to be on the safe side. With a tune, WOT switch, Window switch, and fuel pressure safety cut-off switch it should be almost as safe as nitrous can be.
You dont need a tune for anything 150 or less wet.
Plugs are a must though, throw in some TR6's gapped at .035-.038. With the stock heat range plugs you risk melting them when spraying, which will destroy an engine in an instant.
Plugs are a must though, throw in some TR6's gapped at .035-.038. With the stock heat range plugs you risk melting them when spraying, which will destroy an engine in an instant.
Originally Posted by dynocar
"im a 20 year old college student and the last thing i need is a blown motor..thanks!"
Nitrous?
Nitrous?
You just need to know what you are getting into.
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usually if you cant afford to fix/replace it..don't spray it...the motor,tranny, rear end that is
most people do fine with nitrous though...and if your like me you'll take the
chance anyway
just my opinion
most people do fine with nitrous though...and if your like me you'll take the
chance anyway
just my opinion
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Joined: May 2005
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I agree... don't spray if you can't afford to fix it and you NEED to fix it asap... just go boltons and enjoy your 12 second car. The 11 second passes can wait until you're financially able. My advice anyway...
Wide Open Throttle means the throttle blades are wide open which happens when the gas pedal is put to the floor... so when you mash it the nitrous turns on. Window switch just activates the nitrous between a window. haha I.E: 3000-6000rpms.
Nitrous can be pretty safe but no matter what it's dangerous in it's own right. Giving anything a jolt like you are just isn't savy with an engine. These motors are pretty damn strong so they have been known to take Nitrous abuse. Still doesn't make it safe, get me?
BUT... Spray it! WooT
Wide Open Throttle means the throttle blades are wide open which happens when the gas pedal is put to the floor... so when you mash it the nitrous turns on. Window switch just activates the nitrous between a window. haha I.E: 3000-6000rpms.
Nitrous can be pretty safe but no matter what it's dangerous in it's own right. Giving anything a jolt like you are just isn't savy with an engine. These motors are pretty damn strong so they have been known to take Nitrous abuse. Still doesn't make it safe, get me?
BUT... Spray it! WooT
spray yeahn guys i just wanted to know the safest way to add notrous thanks for the insight, im still gonna be bottled car, its great...thanks guys, plus its a wet and also a zex kit, i hear there the safest out there!
TECH Enthusiast
Joined: Sep 2004
Posts: 564
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From: Omaha, NE
Originally Posted by dynocar
"im a 20 year old college student and the last thing i need is a blown motor..thanks!"
Nitrous?
Nitrous?
Ok, I'll admit it, I'm extra sensitive to this because we get story after story that goes something like this. "Can you get my car in ASAP and out quick because I was out racing last night with my new nitroused, turbo system and something went pop and it doesn't run right now. And, can you take it easy on us with price because I can't afford it, this is our only car, have a baby and me and my wife are depent on it to get to work every day."
Originally Posted by dynocar
Ok, I'll admit it, I'm extra sensitive to this because we get story after story that goes something like this. "Can you get my car in ASAP and out quick because I was out racing last night with my new nitroused, turbo system and something went pop and it doesn't run right now. And, can you take it easy on us with price because I can't afford it, this is our only car, have a baby and me and my wife are depent on it to get to work every day."
Seen it way too much. If you spray, you need to pay. One way or another it'll get you, just like anything in the performance field.
TECH Fanatic
Joined: Oct 2005
Posts: 1,131
Likes: 76
From: olympia, wash
The Zex kit has 75,100 and 125 jets in it. Thats the kit I have on my ride.
If you cant get a tune you should be VERY carefull. I did not get a tune and it has been fine for me, but my stall is pretty low compared to yours.
You dont want to hit the rev limiter while spraying.
If you cant get a tune you should be VERY carefull. I did not get a tune and it has been fine for me, but my stall is pretty low compared to yours.
You dont want to hit the rev limiter while spraying.
If you run untuned, all you have to do to control AFR is to adjust the fuel jet to acheive desired AFR. That way you can run with no tune and still have a nice safe AFR. Stock timimg is fine for anything under 150HP. Just use a window switch and WOT switch and you will be OK.
TECH Fanatic
Joined: Oct 2005
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From: olympia, wash
The jetting chart on the back of the Zex manual tell's you what number fuel pill to put with whatever size nitrous jet your going to be using.
But to measure the af ratio isn't he going to need some kind of tuning equipment?
But to measure the af ratio isn't he going to need some kind of tuning equipment?