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post #1 of 41 (permalink) Old 09-14-2004, 08:47 PM Thread Starter
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Zex Nozzle Size

I have only one nozzle that came with my Zex. It's a .46. Guy said it was a 100 shot. Any idea? and what size would be a 75 shot?

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post #2 of 41 (permalink) Old 09-14-2004, 09:04 PM
 
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You need to buy more nozzles...ebay

I run the 100 now, and if I remember off the top of my head it's a
46 for the nirtous feed and a 40 for the fuel feed.

You need 2 jets for each size shot.

Kit comes with 5 nozzle jets

Dave

PS...WIll only be a few bucks
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post #3 of 41 (permalink) Old 09-14-2004, 11:20 PM Thread Starter
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I searched but didn't find anything. Would that be the nozzle kit they sell on the Zex site for like $20?

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post #4 of 41 (permalink) Old 09-15-2004, 12:12 AM
 
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Don't know, but I'll do some searching for ya.

Dave
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post #5 of 41 (permalink) Old 09-15-2004, 12:24 AM Thread Starter
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Thanks Dave. I'd probably find them on a site that sells nitrous supplies but I am exhausted so I'll look in the morning if you don't find any.

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post #6 of 41 (permalink) Old 09-15-2004, 12:24 AM
 
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post #7 of 41 (permalink) Old 09-15-2004, 12:25 AM Thread Starter
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Dang that was fast.

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post #8 of 41 (permalink) Old 09-15-2004, 12:32 AM
 
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Email the seller and make sure they work for all nitrous systems, but I am almost positive they are interchangeable.

Dave
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post #9 of 41 (permalink) Old 09-15-2004, 09:38 AM
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75hp 100hp 125hp
nitrous jet 40 46 52
fuel jet 43 40 38
ignition retard 0* 2* 4*


thats out of the zex instructions, just so u know what sizes you need. looks like the link dave posted has them all.

Frank

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post #10 of 41 (permalink) Old 09-15-2004, 09:39 AM
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Quote:
Originally posted by fdawg97lx
75hp 100hp 125hp
nitrous jet 40 46 52
fuel jet 43 40 38
ignition retard 0* 2* 4*
well that didnt come out like it was supposed to, but i think you get the idea.

Frank

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2008 Suzuki GSX-R1000

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post #11 of 41 (permalink) Old 09-15-2004, 11:21 AM Thread Starter
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Yeah, no problem. Thanks that helps. Seeing as I never got any documentation. I think I can grab some off their web site though.

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post #12 of 41 (permalink) Old 09-15-2004, 11:52 AM
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Those are the correct jettings. The Jets from some of the others are a bit different. You can purchase the jets directly from ZEX if you choose too!!!!

The size may be the same number but the necks and how they fit are a bit different.

Steve
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post #13 of 41 (permalink) Old 09-15-2004, 12:20 PM
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looks like they cost $3.77 each on zex.com. thats not to bad at all.

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post #14 of 41 (permalink) Old 09-15-2004, 01:08 PM
 
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Espescially when you only need 5 of them.

Dave
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post #15 of 41 (permalink) Old 09-15-2004, 03:57 PM Thread Starter
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I'll just get the .40 and .43 for now since I want to go down to 75 until I can work on the engine more.

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post #16 of 41 (permalink) Old 09-15-2004, 03:59 PM
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The jets from the different zex kits are different as well. the 55-75 kit is different than the 75-125 kit. So the 75 shot in both kits do not use the same jetting charts.

For zex kits you can also use jets from NX. I got my jets from ZEX, but their sizes are limited when you really want to fine tune your air/fuel via wideband. You cannot use jets from NOS, Compucar, Edlebrock, Nitrous works...ect.ect.

zex and NX meassure their jets in thousands of an inch (.017, .045). NOS measures theirs by drill size i believe, so a 32 jet is a #32 drill hole. You'll tell right away because the NOS jets are huge.

Just a heads up.
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post #17 of 41 (permalink) Old 09-15-2004, 05:07 PM
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Fast SC 92 is correct.

The earlier kits, which mine is, initially came with the other jets and was adjustable only from 55, 65, and 75 and the 75 HP jets are different than the updated settings from 75-125.

I have both sets so I can now run anywhere from 55-125.

Steve
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Nitrous 11.75 @ 114 MPH

2008 Ford Powerstroke 6.4 TT F250 4X4 Supercrew: 12.82 @ 105 MPH

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post #18 of 41 (permalink) Old 09-15-2004, 08:41 PM Thread Starter
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I'm assuming since there is a 100 shot nozzle in there now that I have the 75-125 setup. I ordered from Zex's site. Since I only needed 2 jets. They didn't have a choice of jets for kits so I guess they no longer sell the older style?

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post #19 of 41 (permalink) Old 09-15-2004, 10:48 PM
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nitrous jets are nitrous jets. There isnt a set just for kit A or kit B. My point was that the zex kit 55-75 uses a different jetting chart than the 75-125 kit. An example of that is the 75 shot for the 55-75 kit (#82011) is .038 nitrous .032 fuel. And the 75 in the 75-125 kit ( #82015) is .040 nitrous, .043 fuel. Each kit can take whatever you want to put in there. You could have the smaller kit and add a 200 shot if you wanted.

Like i said, just trying to straighten out some facts.
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post #20 of 41 (permalink) Old 09-15-2004, 11:02 PM Thread Starter
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Quote:
Originally posted by fastsc92

55-75 kit (#82011)
75-125 kit ( #82015)
Is there a way to tell what kit I may have? The only number on the controller is the patent number.

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post #21 of 41 (permalink) Old 09-15-2004, 11:34 PM
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believe it or not, but i think that both kits are the exact same. The only difference is that it prob. takes a smaller jet to reach 75hp on 4cly and 6cly cars, than it does for a v8. This is why it differs.

When you order a kit, you get the same control unit i believe, but you get a different length injection hose and different jets.
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post #22 of 41 (permalink) Old 09-15-2004, 11:56 PM Thread Starter
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hehe sorry.. let me see if I got this right:
It doesn't matter what kit you have just depends on the car you're going to put it on and the shot you want to run.

A jet that gives you a 75 shot on a V8 would produce a higher shot on a 4 or 6.

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post #23 of 41 (permalink) Old 09-16-2004, 08:24 AM
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I believe fast92SC is correct to a point on that. Mine was bought for a 96 Mustang GT 4.6 in early 1998. It came with the aforementioned jetting and control box. SInce that time they have updated the jetting sizes and power levels, hense the new jetting sizes.

The control unit on all the dry kits anyway, are about the same.

Al Florida, the shots are set-up for the engine sizes yes. That is how they were tested. On a 4-6 cylinder they would be different. Not saying that a 75 hp set-up wouldn't work on the V6 similiar to the V8 but I'd research it thoroughly first.

That same 65-75 shot might just blow that 4-6 cylinder to bits. Just something to think about.

Steve
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"There's a bad, built NA 4.6L COMING Spring-Summer 2018"

Elite member of the Halfshaft snapping, Auburn eating, Tranny crunching, Piston Melting, Tire lifting, 500+ lb ft Torque Club.

Cougar ET-Stock 4.6 shortblock/Stock PI headswap Bullitt NA 12.94 @ 105+
Nitrous 11.75 @ 114 MPH

2008 Ford Powerstroke 6.4 TT F250 4X4 Supercrew: 12.82 @ 105 MPH

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post #24 of 41 (permalink) Old 09-16-2004, 06:50 PM Thread Starter
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Oh forget it. I'm selling it and getting a supercharger.

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post #25 of 41 (permalink) Old 09-16-2004, 07:54 PM
 
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Quote:
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Oh forget it. I'm selling it and getting a supercharger.
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post #26 of 41 (permalink) Old 09-19-2004, 03:29 PM
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I dont have nitrous or anything, but it seems to confuse me that, more the horsepower shot, the less the fuel jet? Wouldn't this incorporate a nasty lean condition?

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post #27 of 41 (permalink) Old 09-19-2004, 09:43 PM
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yes it is confusing isn't it? More nitrous larger jet, more fuel, smaller jet. I never really understood how it works but i just accept it. LOL.
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post #28 of 41 (permalink) Old 09-19-2004, 11:48 PM
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I guess one way to accept it would be, the smaller fuel jet increases pressure. since nitrous is travelling at 1000psi, and fuel is probably around 60psi (correct me if i am wrong), the smaller jet increases fuel pressure, thus gets to mix better with the faster traveling nitrous.

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post #29 of 41 (permalink) Old 09-20-2004, 06:11 AM
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YEP!! More pressure at the regulator, More fuel to mix with nitrous!!!!


Steve
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"There's a bad, built NA 4.6L COMING Spring-Summer 2018"

Elite member of the Halfshaft snapping, Auburn eating, Tranny crunching, Piston Melting, Tire lifting, 500+ lb ft Torque Club.

Cougar ET-Stock 4.6 shortblock/Stock PI headswap Bullitt NA 12.94 @ 105+
Nitrous 11.75 @ 114 MPH

2008 Ford Powerstroke 6.4 TT F250 4X4 Supercrew: 12.82 @ 105 MPH

"IN MEMORY OF MY FRIENDS JOEL BENDER 1979-2006", JOHNNY LANGTON 1975-2011, and MICHAEL VIVERETTE 1953-2013"
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post #30 of 41 (permalink) Old 09-20-2004, 12:14 PM
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ya its just hard to think that if you want more pressure to be placed on the regulator you use a jet with a smaller hole.

Yes more pressure on the regulator = more fuel, but how do you figure with a wet kit?
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