My Microsquirt Conversion, MSQ tuning file now posted |
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My Microsquirt Conversion, MSQ tuning file now posted |
rwilner |
Sep 27 2011, 08:29 PM
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#1
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No Ghosts in the Machine Group: Members Posts: 953 Joined: 30-March 10 From: Boston, MA Member No.: 11,530 Region Association: North East States |
Ok...
I'm converting my basically stock 2.0L (stock cam, euro Ps and Cs) over to microsquirt. Microsquirt is a megasquirt-derived fuel injection computer that's robot-soldered and factory encased in a weatherproof enclosure. The I/O is implemented as a single, 35-position weatherproof connector. The whole thing is about the size of 2 decks of cards. The system I'm installing was engineered and supplied 100% by McMark. My understanding is that he usually provides these systems for motors that he builds, but I talked him into providing one for me. Below, I will document the install details here for anyone else who talks McMark into selling them a system, or who attempts something similar someday. DISCLAIMER: I won't provide model numbers, prices, or any other info like that in this thread -- please contact McMark directly for those types of details. All I can say is that you get what you pay for and this is a top-notch system that will work for the remaining life of the car. The system provides the following components new:
OK, enough babbling, on to the install! (IMG:style_emoticons/default/chowtime.gif) |
rwilner |
Sep 29 2011, 08:02 PM
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#2
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No Ghosts in the Machine Group: Members Posts: 953 Joined: 30-March 10 From: Boston, MA Member No.: 11,530 Region Association: North East States |
Made some more progress tonight.
Not MS install related directly, but while the engine is out I decided to install an oil pressure sender. I sourced the stainless hose from a paintball shop per Rich Towle's suggestion -- it had the right threads, right length, and was cheap (1/8" NPT). The tee and clamp i got from mcmaster, along with a bunch of fasteners. VDO makes a unit that contains both a pressure sender and pressure switch, but the switch in that unit is set to trigger @ 7psi. The stock switch is set to trigger @ 2psi, so I wanted to retain the stock unit. 7psi is about what the oil pressure is at idle, and seeing the oil pressure light flicker at idle would just make me constantly nervous. The stainless hose is nice because it provides a solid connection to ground for both the switch and the sender. Installing that hose in the block was super easy with the fan shroud off. With the fan shroud on, it's probably still possible, but quite difficult to access -- even my flex head box wrench wouldn't fit through the engine tin. A crow's foot might do it. (IMG:https://lh6.googleusercontent.com/-LCs9jzOk6Nw/ToUPHd_73mI/AAAAAAAAASI/jMwU8zFMfJ8/s800/110929_5.JPG) Here are my new gauges. My center console will contain (from bottom to top) a new voltmeter, oil temp, oil pressure, cyl head temp, and AFR. The AFR gauge is still in transit. (IMG:https://lh4.googleusercontent.com/-pktIuEqWplY/ToUPNcrlBaI/AAAAAAAAAR8/FuL7u_QgZVo/s800/110929_8.JPG) (IMG:https://lh3.googleusercontent.com/-ufiLlQCNfJ4/ToUPK2gOotI/AAAAAAAAAR4/dQ20oYf6qO4/s800/110929_7.JPG) Most of the wiring harness is installed. I'm still waiting for some fasteners from McMaster to attach the ignition coils, should be here tomorrow. i'm using the port on the DS fuel rail that used to feed the cold start valve to feed a fuel pressure gauge. I also bought Racer Chris' fuel hose kit with the flat clamps and installed them. (IMG:https://lh3.googleusercontent.com/-j5fCjFZG5zI/ToUPJV6cdqI/AAAAAAAAAR0/eapWZqYTi0g/s800/110929_6.JPG) Here are the custom brackets McMark made to mount the ignition coils. They mount to the stock intake manifold studs using coupling nuts. Pretty slick! (IMG:https://lh3.googleusercontent.com/-kon0kzCIr8M/ToUPAZ6MtRI/AAAAAAAAARk/Iwo5i0llaZw/s800/110929_3.JPG) (IMG:https://lh6.googleusercontent.com/-C8JSNZKtdNI/ToUPFk3G4jI/AAAAAAAAASQ/hWvFS9pCQRg/s800/110929_4.JPG) I also replaced the motor mounts and installed the engine bar, fan shroud, impeller, belt and heat parts. (IMG:https://lh3.googleusercontent.com/-wwzJFGaC4Ls/ToUPBjUvRoI/AAAAAAAAARo/qd4EaZxm4x4/s800/110929_2.JPG) That's it for now, I'll pick it up again over the weekend. |
914_teener |
Oct 2 2011, 11:54 PM
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#3
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914 Guru Group: Members Posts: 5,198 Joined: 31-August 08 From: So. Cal Member No.: 9,489 Region Association: Southern California |
What AFR gauge did you buy...and where are you going to mount it?
Thanks for this....and cool little distributor block off Mark. |
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