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Build Thread Enola- Finishing touches

  • Thread starter Thread starter a91what
  • Start date Start date May 31, 2015
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    393 4r70w megasquirt ms3 ms3pro turbo watermeth injection
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a91what

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CarMichael Angelo said:
Are you using a circuit similar to the one I use for boost duty?
Click to expand...
yes its the exact same circuit just controlled from a different output. and wired to the solenoid.
 

CarMichael Angelo

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Personally, I don't think pulsing a big assed solenoid is a good practice. Nitrous systems have been using that practice for years now, and there are a lot of bad reviews to their detriment. The solenoids get hot, current draw changes as a result, impedance changes and things cook.
Just open the solenoid when you want the water to flow, and shut the thing when you want it to stop.
 

a91what

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CarMichael Angelo said:
Personally, I don't think pulsing a big assed solenoid is a good practice. Nitrous systems have been using that practice for years now, and there are a lot of bad reviews to their detriment. The solenoids get hot, current draw changes as a result, impedance changes and things cook.
Just open the solenoid when you want the water to flow, and shut the thing when you want it to stop.
Click to expand...
Well im doing it to set the flow amount by rpm, I bought a solenoid from prometh that is meant for that application to be pulsed at 25hz for up to 20mins. So this should not happen again.
 

CarMichael Angelo

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a91what said:
Well im doing it to set the flow amount by rpm, I bought a solenoid from prometh that is meant for that application to be pulsed at 25hz for up to 20mins. So this should not happen again.
Click to expand...
Yeah but you think your circuit failed And burned up a transistor.
The very first time I cooked a circuit trying to do something that resulted in the stuff that keeps my engine out of detonation to stop flowing would be the last time I test out that theory.
 

a91what

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CarMichael Angelo said:
Yeah but you think your circuit failed And burned up a transistor.
The very first time I cooked a circuit trying to do something that resulted in the stuff that keeps my engine out of detonation to stop flowing would be the last time I test out that theory.
Click to expand...
I use it to keep temps down, the car is not tuned on the meth. the meth is just another safety cushion.... when the temps start to come up [and they do] I have it set to start pulling timing in scads.
 

CarMichael Angelo

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a91what said:
I use it to keep temps down, the car is not tuned on the meth. the meth is just another safety cushion.... when the temps start to come up [and they do] I have it set to start pulling timing in scads.
Click to expand...
In my case it's both. I'll be content to just opening and closing the thing.

The only thing I'd change is triggering the thing at a higher throttle percentage ( possibly a higher boost # too) to keep it from dumping a buttload of water into the engine when all I'm trying to do is get on the interstate. I thought I added a variable, and included TPS percentage into the circuit equation, ( and maybe I did) but my engine gets into boost w/o any throttle it seems.

I depend on the stuff.
 

a91what

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CarMichael Angelo said:
In my case it's both. I'll be content to just opening and closing the thing.

The only thing I'd change is triggering the thing at a higher throttle percentage ( possibly a higher boost # too) to keep it from dumping a buttload of water into the engine when all I'm trying to do is get on the interstate. I thought I added a variable, and included TPS percentage into the circuit equation, ( and maybe I did) but my engine gets into boost w/o any throttle it seems.

I depend on the stuff.
Click to expand...
dont worry when you do the MS3 upgrade there is a whole section in there just for Wmeth injection so we can set a whole bunch of parameters.
 

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a91what said:
Yes a 1n4001
Click to expand...
That's only 50 volts PIV rated. Almost any inductive load will generate more than that when it is open circuited and the magnetic field collapses.
A 1N4004 (400 V PIV) is a better choice for an inductive snubber.

See https://en.wikipedia.org/wiki/Flyback_diode for more information.
 
Last edited: Nov 13, 2018

CarMichael Angelo

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[CHAT=][/CHAT]
jrichker said:
That's only 50 volts PIV rated. Almost any inductive load will generate more than that when it is open circuited and the magnetic field collapses.
A 1N4004 (400 V PIV) is a better choice for an inductive snubber.

See https://en.wikipedia.org/wiki/Flyback_diode for more information.
Click to expand...
 

a91what

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I got alot done this morning, I fixed the leaky power steering pump, hooked the windshield spray nozzle up so that works now, and found 1.5 free pounds of boost!!

The power steering pump was easy it just needed one of the O rings replaced that seal the pressure control valve to the plastic reservoir, that took all of 10 mins to complete.
I decided after doing some reading to place a w/meth nozzle in the rubber coupler before the throttle body, 7gph nozzle was what i had on hand so that went in. This one i just setup to spray full on when the pump was spraying. The first pull I could see my normal 9.6 PSI then it slowly climbed up to 11.3 psi. I thought WTF is going on at first, so i did another pull and the same thing happened. The water is helping to seal the rotors and now i am happy to say i got a free 1.5psi out of the deal.
 
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jrichker

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CarMichael Angelo said:
[CHAT=][/CHAT]
Click to expand...
Sorry I didn't quite get that...

For the benefit of those of us not in tune with the same interstellar network as you, please explain...
 

CarMichael Angelo

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jrichker said:
Sorry I didn't quite get that...

For the benefit of those of us not in tune with the same interstellar network as you, please explain...
Click to expand...
Meh.......I can’t say that I even know what the hell happened there.
 

droopie85gt

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jrichker said:
Sorry I didn't quite get that...

For the benefit of those of us not in tune with the same interstellar network as you, please explain...
Click to expand...


I'm thinking @CarMichael Angelo was trying to lure you into a private chat. Probably after 1 or 3 too many Jamesons.
 
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Noobz347

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a91what said:
No problem, I wish i could have gotten away with just changing the connectors to ev6 by crimping on new terminals and building each connector. Some of my injectors need the extra length in the harness so splicing on a pre-made pigtail made the most sense.
I have no idea how many pins need to be moved on the extension harness yet so i will try and document that as well as i can for you.
Click to expand...


As a temporary measure while you build a new harness from scratch?
 

a91what

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Noobz347 said:
As a temporary measure while you build a new harness from scratch?
Click to expand...
Maybe when i do the full MS3X upgrade and move to COP ect ect....
 

a91what

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so after doing some more research i have decided to increase the size of the nozzle in the intake before the blower. I will increase it from a 7gph to a 10gph nozzle, once i have the pulse solenoid from prometh working i will attempt to build a closed loop style table for the PWM control of the solenoid that will control the flow to the nozzle post blower. This way i can have both spray when the intake is heat soaked to quickly lower the intake temps then have the post blower nozzle reduce its flow as the temps come down.
This will take quite a bit of experimentation to get right i believe.
Just my kind of thing
 
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droopie85gt

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Sounds like that kind of testing will require MANY full boost runs. Better charge up the GoPro batteries!
 

General karthief

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I would like to reserve some co-pilot time.
Please?
 
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a91what

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Well I have a problem.... The AC does not cycle anymore, i jumpered the cycling switch out and it came right on.... I will need to have gauges put on it to tell more.

The heater hoses are leaking somewhere.... i can see the chalky white water marks in a few spots, almost seems like it is leaking and traveling down the hose. I didnt have much time to look at it today so i will address it when i have more time. Its not missing much coolant so it has to be a small leak. Also going to change the oil here soon and see if the filter has any more big ass metal flakes in it.
 
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90sickfox

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I hope there's no more metal in your oil. Man, I really thought I screwed my car up over the weekend. Ended up being one of my cheap spark plug wires.

Check around your ac fittings for oily residue. Check the condenser too. Seems like you may have a small freon leak.

Whatever is set up as a safety with my MS works. Felt like I hit a brick wall. Power dropped out but came right back. I must've hit the rev limit spinning tires.
 
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