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 Megasquirt 2 install on BP questions. 
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Joined: May 19 2008, 3:54 PM
Posts: 363
Location: Ravensdale WA 98051
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Post Megasquirt 2 install on BP questions.
So, I'm building a MegaSquirt 2 for my car. I bought the DIY kit from them and I'm SO LOST...

I'll be using this for reference.
http://www.megamanual.com/ms2/V3assemble.htm
Step #22
For the "optional" component... Do I install the circuit for the IAC Stepper motor? I don't know if my BP05 uses one or not. Which relates to step #62 I skipped the PWM Idle valve component. I'd swear I don't need that.
Step #50 I installed The Hall/Optical input circuit (#50.a) I did not install the "Coil negative terminal/points" (#50.b). I did not install the jumper to select between them. I also skipped step #51 since it implied that if I was using a Hall circuit I didn't need that.
Step #65 I didn't know which option to choose. I believe I'm using the "Direct Coil Control" and should install the high current ignition driver? And run the steps on this page? http://www.megamanual.com/ms2/vb921.htm

I thought the MS2-extra board was a completely different set of hardware, but from what I've read it's an upgraded build of the base. Since I want to be able to use dual fuel maps, I believe I'd need to build it as a MS2-extra? As far as I can tell in the MS2-Extra conversion manual, I just need to run a wire from "S12c to JS9". That and install the firmware for it...
But then again if I can run switchable fuel tables from the plain MS2, I guess this is moot. Can I?
The setup for putting a hardware switched input for "Table switching" says to build a circuit and install it on the underside of the board. I assume I can build this in the "proto" section and run leads to the points. I'm a bit confused by the setup though. http://www.msextra.com/doc/ms2extra/MS2-Extra_Hardware.htm#tableswitch

I'll be setting up a CP account shortly and seeing if I can get Lex to help me. He'll be all "Stupid noob" and I'll be lost :) still

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Wings on an MX3? What are you thinking?

92 RS BP05
93 GS KLZE
(Previously owned by 2Fazed and then mrMazda92)


November 10 2012, 1:31 PM
Profile YIM
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Joined: July 27 2003, 2:01 AM
Posts: 412
Location: miami
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Post Re: Megasquirt 2 install on BP questions.
I know this is an old thread but I am installing a MicroSquirt on my 94 mx-3 BPT so I am looking for others with similar setups. Just in case we can collaborate.

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94 RS to BPT
2.5 FMIC
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RX-7-VAF
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http://www.levinsonltd.com/mx3/


November 22 2016, 1:54 PM
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Joined: May 19 2008, 3:54 PM
Posts: 363
Location: Ravensdale WA 98051
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Post Re: Megasquirt 2 install on BP questions.
I put the whole setup on the back burner, but I was doing the DIY setup and not a PNP microsquirt. I wouldn't know where to start.

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Wings on an MX3? What are you thinking?

92 RS BP05
93 GS KLZE
(Previously owned by 2Fazed and then mrMazda92)


November 23 2016, 4:06 AM
Profile YIM
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Joined: July 26 2006, 3:54 PM
Posts: 1457
Location: Belfast -Northern Ireland
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Post Re: Megasquirt 2 install on BP questions.
For my 1.5 b5ze I basically built the miata/mx5 build for DIYPNP. My pin out is available at:
http://uk-mx3.com/forum/viewtopic.php?t=6628

Maybe not much use if you're not DIYPNP though.

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AZ-3 1498cc Turbo! EVO 8 turbo and manifold, 5 stud swap, SSR Type C, DIYPNP seq Megasquirt
Mx-3 2.5 V6 Turbo 291 BHP 251 lbft @ 8psi - Retired due to rust and back at uni
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November 25 2016, 11:00 AM
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