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Top 4G63 Technical 4G63 Tech topic #13168
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Subject: "MegaSquirt Questions." Previous topic | Next topic
WishiwasfastAug-04-10 09:41 PM
Member since Aug 04th 2010
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#13168, "MegaSquirt Questions."


          

So I've come to the concluion that I want a standalone ecu, and dont want to spend $1000+ for a used AEM.

I'm looking at the new MS3 with the MS3X board on the V3.57 mainboard.

I want to use the following add ons with that base.
- 4 bar duel map sensor.
- idle control
- Factory ecu connector (to make it a complete standalone)
- GM IAT
- Boost solenoid

Now one with questions...

- How is the idle control with the added circuit?

- What do I need for it to read the EGT, besides the sensor itself?

- Is this realistic?

  

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ModeratoreclipzGSTAug-05-10 07:00 AM
Old School 2GNTer
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#13169, "RE: MegaSquirt Questions."
In response to Reply # 0




          

Can I ask why you don't want to use dsmlink?


__________________________________________________________
-Tony <--- NOT asian.
'06 Wicked White EVO IX

Originally posted by Avenger
When I raise the BS flag ... it's a really big fucking flag and I raise it really fucking high too.



"Never whistle while your pissing." ~The illuminatus Trilogy

  

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WishiwasfastAug-05-10 07:59 AM
Member since Aug 04th 2010
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#13170, "RE: MegaSquirt Questions."
In response to Reply # 1


          

The cost. I have to buy a 95 EPROM ecu, then socket it, then buythe dsmlink. All thus about $800-900. Ms $400...

  

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VelocitaPaolaAug-05-10 11:58 AM
Member since Jun 13th 2005
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#13171, "RE: MegaSquirt Questions."
In response to Reply # 0


          

Originally posted by Wishiwasfast- How is the idle control with the added circuit?

You're talking about the stepper motor IAC control, correct? If so, it works pretty well.

Originally posted by Wishiwasfast- What do I need for it to read the EGT, besides the sensor itself?

You need a specialized circuit to amplify the minuscule signal from the thermocouple. With the right parts, you can build one yourself or you can order an pre-built module. Google "megasquirt EGT interface" to find more information.

Originally posted by Wishiwasfast- Is this realistic?

Yes, but you should consider the cost. An MS3 ECU, plus the MS3X expansion board, costs quite a bit more than $400; more in the neighborhood of $600 to $700 for everything you mentioned. It's still cheaper and more versatile than DSMLink, but it's not quite as cheap as you expected.

-----------------------------------------

-Paul

Service Manuals and Guides

  

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