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RWDboy
Forums Junkie

Location:
South Australia
Registered:
July 2002

Re: EOI : ST162 Owners! Group Buy - MegaSquirt ECU

Thu, 28 April 2005 13:55

I'm a bit swamped with questions here at the moment, and also having to go through and do the research is taking up a bit of time.

Matt-itude I have already started a list of people that are interested, as some people have PMed me to confirm their interest etc. See the top post for details!

mithy

if it will work with a 3S-FE (with minimal, if any, modification), then ill be in

As for working with a 3S-FE - well the TCCS is slightly different, I don't have access to a 3S-FE and I probably won't have time to consider it at this stage.

Quote:

Any chance of pay by installments or something along these lines?

I will only be taking money to get the first unit at the moment (the $30), once I'm a few weeks from finishing off the first one (which might be a few months yet) I will then take money for the purchase of the final units and will order the rest of them. So you've got a fair bit of time to scrape together the dosh!

Quote:

first thing, have you cleared this with Bruce and Al, or deos this come under the "i will support my own products" clause?

All the software modifications and modules I write will be available to the MS community - although what use they might have may be limited. The PCB modifications - if any! - will be minimal and I realise I will have to support these on my own if I do have to make any (Bruce and Al clearly state they don't support people releasing their own version of the PCB). I'm hoping that I don't have to make ANY PCB mods at all. Aside from that I don't see any issues that Bruce or Al may have, I have shot off a message to them to clarify things - especially regarding what license the software is governed by.

Quote:

why not suggest ppl remove the AFM altogether and replace with short length of pipe? sure it's not plug and play, but is a better option... maybe you could supply a paddlepop stick to hold open the vane

I really would like to make this as easy as possible for the average joe to do - ie just replace the ECU and go straight away! Although I do realise that some people will prefer the improved transient response of the MAP sensor and the reduction in intake restriction (as opposed to flap-type AFM) I guess in terms of effort it's not going to be 'that bad' to support the AFM. The option to switch to MAP will be available obviously, I won't remove that chunk of code!

hat is more of a concern is the emissions controls - like PWM EGR control - grr! Thankfully that stuff has been covered mildly by others.

This q. came up in PM

acreese

Will this prototype be fuel only?

Can we take it a step further and create a wirein Fuel and Ignition Prototype? What would others think of this? It would allow for Turboing (low boost) of the 3SGE, that will get many excited.

Yes it will be a fuel AND ignition ECU - it's not a piggyback in any way, it will replace the factory ECU and have full control over the engine's functions - incl ignition and fuel (and TVIS and blah de blah Wink

). As for turbocharging -> it's a matter of ensuring that the correct AFR algorithm is used in conjuction with a wide-band MAP sensor - also - the wide-band map sensor that is recommended by Bruce and Al only goes up to about 20psi of boost - so that may 'limit' some ppl. Other things to consider is what kind of intercooler you are using (water-air may require some control over water pump etc). Also alot of 3S-GTEs have a VSV which allows boost to be higher in higher gears or certain conditions. You may want to consider what you want to do with this yourself (ditch it and stick in bleed valve is a good option here!)

Cheers for some answers to some questions there oldcorollas - I know you are probably as close as we have to a resident expert on this subject, and I am busy reading up on alot of things at the moment trying to catch up!

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