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Looking for tips on ZEX install. First time user... #957692
03/24/11 01:40 PM
03/24/11 01:40 PM
Joined: Jan 2003
Posts: 1,292
Tucson AZ,
M
MadMopars Offline OP
pro stock
MadMopars  Offline OP
pro stock
M

Joined: Jan 2003
Posts: 1,292
Tucson AZ,
I just picked up a ZEX 100-300 perimeter plate with Edelbrock Fuel/Nitrous and purge solenoids, NOS remote bottle opener, ZEX bottle, bottle warmer and blanket from a buddy of mine. Before I install it "In the GTX for now" I would like to know what kind of setups you guys are running and what your oppinions are regarding fuel delivery, timing etc. I plan on giving ZEX a call to discuss details with them but would like to know general rules of thumb to prevent dumb rookie mistakes. This will be my first time using nitrous so any input or tips are greatly appreciated. Thanks!

Last edited by MadMopars; 03/24/11 03:23 PM.

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73 GTX *440*727*8 3/4*
69 DART GT *440*4 SPEED*DANA*
73 ROAD RUNNER *451*4 SPEED*DANA*
64 F100 *383*4 SPEED*9"*
75 DODGE D300 *440*4 SPEED*DANA*
99 DODGE RAM 3500 4X4 DUALLY... ON 38"s
Re: Looking for tips on ZEX install. First time user... [Re: MadMopars] #957693
03/26/11 03:37 AM
03/26/11 03:37 AM
Joined: Dec 2009
Posts: 1,074
detroit, mi
POS Dakota Offline
super stock
POS Dakota  Offline
super stock

Joined: Dec 2009
Posts: 1,074
detroit, mi
The biggest dumbest rookie mistake you can make from my experience is a nitrous system that allows you to hit it too early, and allow any kind of fuel pudling in the intake. BOOM.

There are currently pieces of my intake manifold orbiting earth up alongside the interenational space station.

play it smart and read about nitrous systems in general and the various accompanying safety pieces like rpm window swithes, hobb switches and the like.

There was a great piece of equipment that I am unsure they still make called the nitrous mastermind. Jacobs ignition made it and I loved it.
I believe they were bought out by accel though. It had rpm window settings, timing retard, rev limiting and a few other things built in.
Great litle box it was.

Re: Looking for tips on ZEX install. First time user... [Re: POS Dakota] #957694
04/02/11 07:39 PM
04/02/11 07:39 PM
Joined: Sep 2010
Posts: 146
LA CA
B
bron_engines Offline
member
bron_engines  Offline
member
B

Joined: Sep 2010
Posts: 146
LA CA
I have been running the juice verry successfully for years now. The main thing is that you need to retard the timing 2 degrees for every 100 HP of juice. The second is that you must have fuel delivery. Remember it is not the nitrous that makes power it is the added fuel. The oxygen in the n20 will allow that fuel to burn. One more thing is to never dead head the regulator that goes to the gas solinoid. This is very important as the reading on the guage will not be correct. I use a #3 an fitting for a return line off of the inlet to the gas solinoid. Cut off the end of the flare, drill out the fitting so you can install a #32 size jet from some old fogger unit. This will allow just enough fuel to bypass the regulator so you canset it to the desired pressure setting. This is cheap and it works.
I have a 9 to 1 forged piston 440 in a dart. Small cam, street driven and it runs only a 12:02 off of the juice and a 10:50 on the juice. I have put over 100 pounds of juice through this motor and it runs like new. Total timing is set at 32 degrees, fuel pressure is set a 6.5lbs.

Re: Looking for tips on ZEX install. First time user... [Re: bron_engines] #957695
04/05/11 05:33 PM
04/05/11 05:33 PM
Joined: Jan 2003
Posts: 9,146
Now - Port Orange,Fla. Former...
MIKES_DUSTER Offline
master
MIKES_DUSTER  Offline
master

Joined: Jan 2003
Posts: 9,146
Now - Port Orange,Fla. Former...
How much NOS you putting thru your dart???

Re: Looking for tips on ZEX install. First time user... [Re: bron_engines] #957696
04/06/11 05:12 AM
04/06/11 05:12 AM
Joined: Oct 2008
Posts: 1,894
Mira Loma, CA
69B3GT Offline
top fuel
69B3GT  Offline
top fuel

Joined: Oct 2008
Posts: 1,894
Mira Loma, CA
Quote:

I have been running the juice verry successfully for years now. The main thing is that you need to retard the timing 2 degrees for every 100 HP of juice. The second is that you must have fuel delivery. Remember it is not the nitrous that makes power it is the added fuel. The oxygen in the n20 will allow that fuel to burn. One more thing is to never dead head the regulator that goes to the gas solinoid. This is very important as the reading on the guage will not be correct. I use a #3 an fitting for a return line off of the inlet to the gas solinoid. Cut off the end of the flare, drill out the fitting so you can install a #32 size jet from some old fogger unit. This will allow just enough fuel to bypass the regulator so you canset it to the desired pressure setting. This is cheap and it works.
I have a 9 to 1 forged piston 440 in a dart. Small cam, street driven and it runs only a 12:02 off of the juice and a 10:50 on the juice. I have put over 100 pounds of juice through this motor and it runs like new. Total timing is set at 32 degrees, fuel pressure is set a 6.5lbs.





Sorry to sidetrack here. Have you run that dart at fontana? Looks familiar







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