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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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CarMichael Angelo

my rearend will smell so minty fresh,
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a91what said:
That would be awesome Mike, I will send it back as soon as I am through using it. Thanks!
Click to expand...
you can keep it,...i hope to never need it again
 
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90sickfox

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a91what said:
Lol 2 separate thoughts, I did rebuild the blower today. I am going to make a new inlet plenum with the blower installed on engine while it's still on the stand. This way I know it all fits.
Click to expand...

 

a91what

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Ok ok, I dont have any pictures of the actual rebuild but I do have a picture of the inlet and some tear down photos.ported inlet I cleaned and polished the inside of the case and rotors.
 

Noobz347

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Your intake being what it is, I cannot see how it would be crazy difficult to put either:

A. Install nozzle plate for a cooling shot of (you choose).
B. An after-cooler heat exchanger of some sort.
 

a91what

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Noobz347 said:
Your intake being what it is, I cannot see how it would be crazy difficult to put either:

A. Install nozzle plate for a cooling shot of (you choose).
B. An after-cooler heat exchanger of some sort.
Click to expand...
I was injecting WMETH before the blower, downside is i have to cool the entire blower housing before the effects are truly noticable on intake temps.. IE it takes ALOT of WMETH to cool this mother down, 17GPH of it.
I was thinking of do one nozzle upstream of the blower and one at the discharge/adapter plate to cool the air in the manifold.

Thoughts??
 

Noobz347

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a91what said:
I was injecting WMETH before the blower, downside is i have to cool the entire blower housing before the effects are truly noticable on intake temps.. IE it takes ALOT of WMETH to cool this mother down, 17GPH of it.
I was thinking of do one nozzle upstream of the blower and one at the discharge/adapter plate to cool the air in the manifold.

Thoughts??
Click to expand...
My thought is probably what you already know. The best place to inject water mist is in the space where the air charge has the most room to expand.

Putting that mixture through the rotor is not desirable for mechanical/displacement reasons and has the least effect. Remember... spraying into the blower is part of your total displacement per revolution. Spraying the inlet has more detriment than on a centrifugal that is not volume limited (velocity increases).
 

Davedacarpainter

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Noobz347 said:
My thought is probably what you already know. The best place to inject water mist is in the space where the air charge has the most room to expand.

Putting that mixture through the rotor is not desirable for mechanical/displacement reasons and has the least effect. Remember... spraying into the blower is part of your total displacement per revolution. Spraying the inlet has more detriment than on a centrifugal that is not volume limited (velocity increases).
Click to expand...
Geez Noobz, you sounded like Professor Proton for a minute there.
 

stanglx2002

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I agree with Noobs that it would be best to put a spacer between the blower and the lower intake and spray after the blower. Its probably not a good thing to be spraying into the blower anyways, and also using the benefits of the boosted pressure to distribute the mixture better anyways.
 

a91what

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Noobz347 said:
My thought is probably what you already know. The best place to inject water mist is in the space where the air charge has the most room to expand.

Putting that mixture through the rotor is not desirable for mechanical/displacement reasons and has the least effect. Remember... spraying into the blower is part of your total displacement per revolution. Spraying the inlet has more detriment than on a centrifugal that is not volume limited (velocity increases).
Click to expand...
I do see where you are going with this, being a PD pump i effectively loosing displacement but how much???
17GPH
7.4805 gallons in a ft3
1728 in3/ft3
(17GPH)/7.4805G/FT3= 2.27FT3/H (2.27FT3/H)1728in3/ft3= 3927in3/h
now that we have GPH converted into CI per H lets make it CI per minute
(3927in3/h)/60=65.45in3/M This is my loss in CID per minute
The M112 moves 112 CID per revolution lets use the 2.13 ratio i was driving it at..... lets say 4krpm
4000rpm(2.13)(112CID)= 954240 CID/M
lets measure the loss in a %
65/954249=.000068(100)=.0068% loss in displacement.

NEGLIGIBLE

I will however go with conventional wisdom and move at least one of the nozzles downstream of the blower.
 

a91what

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Davedacarpainter said:
Geez Noobz, you sounded like Professor Proton for a minute there.
Click to expand...
Its all about the Q value Dave.... Q= vA
Q= flow rate
v= velocity
A= cross sectional area

The WMETH in this case is NOT compressible so it lowers the A value, since a blower is limited to its own displacement relative to the speed it is spinning the velocity is fixed for this equation.
 

Noobz347

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a91what said:
NEGLIGIBLE
Click to expand...

Perhaps but measurable and only one portion of the reason to place it after the discharge port.
 

a91what

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Noobz347 said:
Perhaps but measurable and only one portion of the reason to place it after the discharge port.
Click to expand...
Agreed i was only attempting to quantify the pumping loss, i think the above idea of a spacer to mount the nozzles in will be the fix for this, that is if the spacer does not push the blower pulley into the hood, that is my main concern. I dont think i have a half inch to spare for a spacer.
 

Noobz347

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Something along these lines is what came to mind:

 

a91what

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hmmmm....... let me do some measuring i may be able to drill a very small through hole in the adapter plate then cross drill and tap the plate to install the nozzles inside the plenum.... I wish the nozzles were not so expensive i would order 4 low flow ones to give me better distribution. I currently have 2 10GPH and 1 7GPH nozzle in my possession.
 

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a91what said:
hmmmm....... let me do some measuring i may be able to drill a very small through hole in the adapter plate then cross drill and tap the plate to install the nozzles inside the plenum.... I wish the nozzles were not so expensive i would order 4 low flow ones to give me better distribution. I currently have 2 10GPH and 1 7GPH nozzle in my possession.
Click to expand...
Checkout supply houses for agricultural equipment. Spay bar type sprayers and nozzles are very common with farm equipment.
 

General karthief

wonder how much it would cost to ship you a pair
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Alright!
Farmerstang!
 
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Noobz347

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I think we can get Stevie Wonder.
 

Davedacarpainter

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Noobz347 said:
I think we can get Stevie Wonder.
Click to expand...
Don't you mean Willie Nelson?
 

Noobz347

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Davedacarpainter said:
Don't you mean Willie Nelson?
Click to expand...
May as well. Micheal Jackson is still on ice.
 

a91what

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I have an idea, I have plenty of space in the flange on the blower outlet let's say I tap a 1/8npt into each side of this across from each other and use the nozzles that I have. Nitrous solenoids can be PWM controlled so I use one in the line feeding the nozzles, using the boost control output to feed the circuit. The ECU does not know what the circuit is driving and does not care, I can then set the duty cycle tables to reflect how long the solenoid Is open vs boost pressure. This will let me fine tune the spray volume for my application on the fly with a few key strokes.
Thoughts?
 
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