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Terminator X and Water/Meth Injection

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Old Oct 13, 2022 | 05:29 PM
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Default Terminator X and Water/Meth Injection

Just curious how you guys are setting up the terminator x with meth injection or water/meth injection.
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Old Oct 16, 2022 | 06:35 PM
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If you want to be fancy, grab a holley solid state relay, and PWM the pump based off whatever axis you want.
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Old Oct 18, 2022 | 09:55 PM
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Are you just putting this together or do you have a meth kit already?
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Old Oct 19, 2022 | 05:33 AM
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I have a snow 2.5 kit, with direct port 2.5 GPH nozzles and a solenoid. Main reason behind the DP is just to ensure even distribution, I am not trying to crutch a fuel system. I am open to different options though, and not dead set on using the snow controller. My main curiosity is how does the Term X handle the air/fuel. Will it try to pull fuel to compensate for being richer, or do I need to adjust the air/fuel to be a tad richer so it can compensate and not go lean in the event the meth fails? It seems like it would want to be meth dependent in my mind. I am still pretty new to Holley EFI stuff though, and am learning as I go along.
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Old Oct 19, 2022 | 05:35 AM
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Originally Posted by Shownomercy
If you want to be fancy, grab a holley solid state relay, and PWM the pump based off whatever axis you want.
That does sound like a good way to do it using the Term X to control it.
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Old Oct 20, 2022 | 05:43 AM
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So, you can tune it using your main fuel to your desired AFR and then turn the meth on and let the ECU pull fuel to hit the target AFR.

I run the NOS SSR to control my meth pump.
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Old Oct 20, 2022 | 08:42 AM
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Originally Posted by jayyyw
So, you can tune it using your main fuel to your desired AFR and then turn the meth on and let the ECU pull fuel to hit the target AFR.

I run the NOS SSR to control my meth pump.


Yes, and this is one of the safest methods for sure.
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Old Oct 20, 2022 | 08:45 AM
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Awesome. Thanks guys. Since I am using a solenoid to prevent siphoning with my nozzles post TB, I wonder if I could use the relay to pulse the solenoid, or just have it open before the pump starts working.
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Old Oct 20, 2022 | 05:35 PM
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Yep, I leave the fuel table alone, so that if it runs out of Meth, doesn't turn on or whatever, it has fuel. You can also go in and setup safetys for temp, or afr or whatever you want. Holley is your oyster.
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Old Oct 28, 2022 | 11:27 AM
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Originally Posted by 69gto96z
I have a snow 2.5 kit, with direct port 2.5 GPH nozzles and a solenoid. Main reason behind the DP is just to ensure even distribution, I am not trying to crutch a fuel system. I am open to different options though, and not dead set on using the snow controller. My main curiosity is how does the Term X handle the air/fuel. Will it try to pull fuel to compensate for being richer, or do I need to adjust the air/fuel to be a tad richer so it can compensate and not go lean in the event the meth fails? It seems like it would want to be meth dependent in my mind. I am still pretty new to Holley EFI stuff though, and am learning as I go along.
If the VE table is well tuned without the meth, the ECU will adjust the fueling when the meth is activate, since it will be supplying more fuel than the ECU is accounting for.

Andrew
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Old Oct 28, 2022 | 12:36 PM
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Originally Posted by Project GatTagO
If the VE table is well tuned without the meth, the ECU will adjust the fueling when the meth is activate, since it will be supplying more fuel than the ECU is accounting for.

Andrew

As long as the tables are setup so it has control to add or subtract fuel.

I hate to throw that up like that, but if correction is set to 0, it will just live on the fuel map, regardless of how good or bad it is. I mean from the factory Holley has given them enough control to do just that, but if someone zeros that out, which I'll leave that up to whoever is behind the keyboard, just make sure you understand what you're adjusting.

Last edited by rpturbo; Oct 28, 2022 at 07:33 PM.
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Old Oct 28, 2022 | 10:45 PM
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Originally Posted by 69gto96z
Awesome. Thanks guys. Since I am using a solenoid to prevent siphoning with my nozzles post TB, I wonder if I could use the relay to pulse the solenoid, or just have it open before the pump starts working.
That's interesting. When I was running pump and meth I had the holley pwm the pump, I also used a jeep cherokee fan solid state relay to do it.. I now use the same style relay to pulse my transbrake for bump.

But I'm intrigued by having the pump come on fully at some point and then pwm the solenoid. I feel like either way would work great, I really liked having the terminatorx pwm the pump, but I was pre tb so no solenoid. Now I really like just using e85 lol
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