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Home > Help Needed / General Tech Chat > Water/methanol with no Intercooler

evolotion

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Glasgow, Scotland

13th Jun, 2012 at 08:26:25pm

I run a progressive AEM setup. worth its weight in gold, but i would never not run an intercooler, thats just daft imho.

Paul, my AEM setup has a muckle great big pump which has a simple cutout style regulator set at around 150psi but with the very large jets i run its lucky if it can maintain 70psi or so. and as this is at the manifold which is just over 30psi boost, the effective jet pressure is a measly 40psi. What im getting at is you will probably just have to run whatever pump you get flat out on its cutout limiter to get decent atomisation, or fit a very big pump :)

Edited by evolotion on 13th Jun, 2012.

turbo 16v k-series 11.9@118.9 :)

Denis O'Brien.

mayoturbo

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chepstow

13th Jun, 2012 at 08:27:41pm

I do have a big intercooler for the metro

While the engine is being fitted to the GTM I an unsure if it is worth fitted an intercooler in as well as the water/meth kit I have or just have the water/meth.

Also running with no intercooler pressure drop should be almost nonexistent.

I know intercoolers have been discussed loads but I am talking about water/meth instead. Just thought I would see what results people have had.


mayoturbo

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chepstow

13th Jun, 2012 at 08:38:18pm

I have the AEM kit too

wil_h

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Betwix Harrogate and York

13th Jun, 2012 at 08:42:36pm

Indeed, not my set-up, just a great example of monitoring of everyting. My set-up below.


On 13th Jun, 2012 Paul S said:
On 13th Jun, 2012 Evoderby said:
Will, your setup looks 1000bhp-skyline-nice *wink*



Cough :)


Fastest 998 mini in the world? 13.05 1/4 mile 106mph



On 2nd Jan, 2013 fastcarl said:
the design shows a distinct lack of imagination,
talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol

On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry.


Paul S

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Formerly Axel

Podland

13th Jun, 2012 at 09:18:33pm


On 13th Jun, 2012 jbelanger said:
On 13th Jun, 2012 Paul S said:
Jean, Is that a possibilty?

EDIT: Seems I can program one of the spare MS3X PWM outputs to drive a solenoid valve :) Just need to build a regulated water supply system.

Well, I haven't looked into it but there is a water injection feature in the 'advanced engine 2' menu.

Jean


The MS3X can be programmed to turn the pump on/off and also control the Aquamist fast acting valve to deliver a controlled amount of water depending on MAP and RPM. So no need to buy the complete kit. Separate components are available from Howerton Engineering.

For you Ludites out there, it would appear that even an MS1 can be programmed the same :)

Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
Stephen Hawking - "The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."

metroturbo

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North Yorkshire

14th Jun, 2012 at 09:56:01am

Intercoolers have no wiring to fail, no pumps to fail, no motors to fail, and no water to run out. I wouldn't want to rely on water injection as the only way of suppressing detonation unless there really was no way of fitting an intercooler.

turbocox

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Milk an Beanz

15th Jun, 2012 at 08:49:12pm

As You said that you are hoping for for mid to low 14's or maybe a high 13's ?

You wont need mad high boost figures, heat shouldn't be a problem, and if your worried about det add some lead into the fuel or run some high lead C16 fuel.

ALL the replies have been very informantive and helpful but its hard to get GOOD air flow to a cooler in the back of a GTM, I even did a back to back test with 2 coolers on the rollers with different ducting.

Difficult.

I would suggest standard inlet, with a sniff of nitrous, or maybe water/meth.

If this is going to be a temporary fitted engine and the other one you are eventually going to fit won't be a A series, why not do as a wise man once said.............


Keep it simple, and use it as a learning curve. *wink*

Edited by turbocox on 15th Jun, 2012.



The distance between insanity and genius is measured only by success

stevieturbo

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Northern Ireland

16th Jun, 2012 at 06:42:39pm




On 13th Jun, 2012 evolotion said:
I run a progressive AEM setup. worth its weight in gold, but i would never not run an intercooler, thats just daft imho.

Paul, my AEM setup has a muckle great big pump which has a simple cutout style regulator set at around 150psi but with the very large jets i run its lucky if it can maintain 70psi or so. and as this is at the manifold which is just over 30psi boost, the effective jet pressure is a measly 40psi. What im getting at is you will probably just have to run whatever pump you get flat out on its cutout limiter to get decent atomisation, or fit a very big pump :)


Is your pump working properly ?

Ive never tested mine for pressure, but I have no issues running two of their biggest jets ( think they're around 650-700cc each )
Although for this year I'm fitting a new pump anyway, as my old one is a few years old. Will also be adding another jet before my compressor.

Bought one of the AEM pumps of that Greek seller on egay. The bigger 200psi pump delivered for only £105 !
Was sure it was advertised as the regular 150psi pump though.


And for those saying just get a better intercooler. The water/meth does two jobs. It can cool the intake charge, but it also cools the combustion chamber and suppresses detonation when running a setup that is knock limited by fuel, CR or whatever.
Intercooling will never achieve that.

I have no issue whatsoever with intake temps on my car ( rarely 15degC over ambient under any circumstances ), but water/meth allows me to run more ignition timing and makes a huge difference to performance because of it.

9.85 @ 145mph
202mph standing mile
speed didn't kill me, but taxation probably will

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