MPI idle valve - on MS3
Turbo Mini Forums

I have got my MS3 built and up and running on the JimStim - and seems to work so far. I was planning to do some bench testing of the sensors and idle control valve on the MPI manifold I have first to try and and get an understanding of how it all works. Has anyone been able to get the MPI idle valve to work with the MS or am I better to swap it for the peugeot valve as in this post:
http://www.turbominis.co.uk/forums/index.php?p=vt&tid=10807

I have searched on the MS forum as well, but can't find if anyone has managed to do this successfully.

Any help is greatly appreciated!

The Rover idle valve is uni-polar whereas the MS is designed to be used with a bi-polar idle valve. The difference is explained here:

http://www.megamanual.com/ms2/IAC.htm

I think some one on here has got the Rover valve to work with MS. I think it should if you do not connect the centre windings.

The easy way is to swap the valve for the Peugeot one as it has an identical flange.

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."

Hehe, you said flange. :)

If something is worth doing, it's worth doing half of.

Thanks for that - I will have a good read through later.

I think I will follow your advice and pick up a Peugeot one from ebay or the scrappy to make things a bit more straight forward.

I should be able to swap this over to a fabricated manifold when I get a bit further (I can't see how I can fit a second set of injectors in the MPI manifold without them ending up in a poor position at the moment).

as above peugeot,

also cinq, and fiesta onse look like they will work.

I'm thinking of fitting such an item on my Sprint. is it worth my while?

Idle is ok, but I think it could be better, especially when cold.

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

www.twin-turbo.co.uk

Schrödinger's cat - so which one am I ???

Cold starts are easy. How do you manage without?

EDIT: This is all you need:



Peugeot IACV model no. A95269 and a suitable body. I made the body pictured above but DIYAutotune sell something similar. they also do the connectors for the valve.

Edited by Paul S on 14th Nov, 2011.

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."

Well the SC TB has a choke cable attached that when you pull it it opens the throttle just like an SU.

It does work, but it's a bit to manual. Generally I don't bother with it and it ticks over at 600rpm til hot. Hence why I fancy a valve.

The hillclimber has nothing, but ticks over perfectly after 30 seconds. A pain in a road car, but fine on the racer.

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

www.twin-turbo.co.uk

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."

This is the K-series one. It might be possible to botl iy straight to the inlet manifold?

Assuming it can be bodged to work.



I presume that your adapter allows the valve to be mounted remotely with a pipe to the engine side of the manifold?

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

www.twin-turbo.co.uk

Paul - when you can run variable nozzle turbos, common rail diesels, ecoboost ford petrol, drive by wire, any VTEC, Sigma/Mazda variable cams. BMW S54 with double vanos etc mpi idle solenoids correctly, and one million other things and have an OEM small car manufacturer ecu - then you'll be qualified to comment - who else in the world offers a fast idle mechanism for throttle bodies - nobody! our simple method is devised because mini's have this cable avaialble - i could add all the cost of valves etc into the kit but then who would buy it - think before opening your mouth

JK

If Carling made Mini engines
it would probably be like this one!

On 14th Nov, 2011 wil_h said:
This is the K-series one. It might be possible to botl iy straight to the inlet manifold?

Assuming it can be bodged to work.



I presume that your adapter allows the valve to be mounted remotely with a pipe to the engine side of the manifold?

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."

Apologies, lighthearted comment, not intended to offend.

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."

It seems like someone is overreacting a bit. And while a simple solution is nice and a good thing to offer, the fact that someone is asking about a non-manual solution here seems to be contradicting the statement about demand for such a thing.

Jean

http://www.jbperf.com/

Paul so one of these should do the job on the mpi manifold:

http://www.ebay.com/itm/170722067147

Is it much of a job to swap the plunger over?
Thanks

That's the one.

No need to swap the plunger over. Your idle air requirements will be different from the standard MPi anyway.

You can just tune the warm-up air curve to your engine.

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."

Thanks I'll get one ordered up.

Should start a build thread, but my bits are somewhat not a shiney as others

Just for clarity, the manual system is fool proof and a very elegant solution that is not offered on any other TB.

It works perfectly and has zero set up.

I don't need to change it at all, the main probelm with it is that my choke cable will not hold it open, but that's a cable fault that I could easily fix.

I just fancy making my car as modern as possible, so looking at the air bleed valve.

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

www.twin-turbo.co.uk

Didn't realise they had a choke cable on that setup. I would be interested to see if you do get the IACV working with it (purely so I can copy it ).

Edited by apbellamy on 14th Nov, 2011.

Wil has Megasquirt. You would have to see if the SC ecu can control an IACV.

If something is worth doing, it's worth doing half of.

I know

Sorry, not wanting to hi jack this chaps thread - apbellamy see link for typhoon capabilities , from dowload area of our website http://www.twinkam.co.uk/online/templateme...Tune_Manual.pdf

If Carling made Mini engines
it would probably be like this one!

Thanks JohnK. Saves me sending you an email.