Conversions & Swaps LSX Engines in Non-LSX Vehicles
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Microsquirt LS1 = harness vid

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Old Jan 11, 2013 | 03:40 PM
  #21  
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has anyone ran microsquirt on a gen 4 58x reluctor wheel motor?

i was about to get a MSI with a MSD 6012 to run spark, but this microsquirt has my eye.

i'm not smart enough to figure out the details unless i see how it's done. thanks for the videos. where would you buy new connectors from for like the crank signal, etc? my LY6 didn't come with a harness and the junkyards are pretty much nill around here.

thanks
mike
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Old Jan 11, 2013 | 04:56 PM
  #22  
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Very cool videos, thanks for taking the time to show us! Cant wait for the next video!

Like others I didnt know microsquirt could handle a v8, thought it could only have small engines.
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Old Jan 11, 2013 | 05:10 PM
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Efi connection sells all the connectors. On this harness I specificly chose used connectors to show how affordable it can be done. Yes it can run a 58x reluctor engine .No problem.
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Old Jan 11, 2013 | 05:15 PM
  #24  
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It runs the lsx coils in a wasted spark config. I.e. fires cylinder 1 and 6 at same time same as Ford and other OEM. Cylinder 6 would be on the exhaust stroke so spark places little load on coil and cylinder pressure is heading out exh port, thus it is wasted and causes no harm.
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Old Jan 11, 2013 | 05:27 PM
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What MS is that in the video. Couldn't find it on their website.

EDIT: I found it. You are using the Motorbike MS. I understand the spark, but how are you doing the injectors? Or did I miss something above.

I was planing on running the MS3 w/ MS3X. But if i can use this on my lq4 turbo build it will save money.
Thanks for the write up and vids.

Last edited by LS1TOYOTA; Jan 11, 2013 at 05:49 PM.
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Old Jan 11, 2013 | 05:32 PM
  #26  
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It batch fires the injectors one bank at a time same as most every efi system on the planet. Sequential injection is over rated and 99.99% of applications don't need it and power and fu efficiency in nearly identical. OEM use it to improve emissions at lower rpm . Insignificant in most performance applications

Last edited by aknovaman; Jan 11, 2013 at 07:06 PM.
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Old Jan 11, 2013 | 08:19 PM
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could the same harness be used with an ms3, or would it require changes to get the most out of the ms3's extra features?
Thanks,
Kory
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Old Jan 11, 2013 | 09:29 PM
  #28  
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All the same inputs but you would have individual (8) injector and (8) coil outputs. Either way it would be a custom harness. Same number of connectors just individually connected to separate ms3 pins since the ms3 has different pinout with more connectors. Please read the ms3 manual. It's easy but must be done correctly. I suggest anyone interested in the system just download the software and play with it. Tuner Studio comes with a sample log and file to mess with.

Got to rework a lsx harness tonight and tomorrow to swap in a L33 into a 2001 v6 chassis. plus another project car is scheduled for drop off tomorrow afternoon, so no time to work micro harness this weekend.
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Old Jan 11, 2013 | 09:31 PM
  #29  
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That brown wire on the coilpacks, that you mention leaving unconnected in the vid - Isnt that the coil logic ground that should be grounded at the ECU ?
Thanks for bringing more exposure to the Msquirt system. Lokk forward to seeing more of your project.
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Old Jan 11, 2013 | 09:36 PM
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It can be connected to sensor ground wire as described in the mega manual. Not required but may reduce any noise on coil firing signal from micro to the internal coil driver circuit.
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Old Jan 11, 2013 | 09:37 PM
  #31  
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For people who are asking, there are several levels of the MegaSquirt available , Here are the main ones listed in rough order of capability, And price..
Megasquirt 3
Megasquirt 2
Microsquirt
Megasquirt 1

Hope the OP doesnt mind me butting in on his thread !
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Old Jan 11, 2013 | 10:18 PM
  #32  
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Megasquirt Pro is top of the line system for about $1,000

I am "economically aware" cheap as my wife says so I use the micro for $340 when ever possible.

I am a no BS guy that prefers just the facts in my build and posts. I appreciate additional technical data you may add.
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Old Jan 12, 2013 | 12:02 PM
  #33  
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great thread. i love msquirt systems
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Old Jan 12, 2013 | 12:40 PM
  #34  
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You need to start making these and sell them!
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Old Jan 12, 2013 | 07:45 PM
  #35  
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how easy is it to tune with their software? any links to new users? thank you for taking the time to post the videos.. I subscribed to your yt page..
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Old Jan 12, 2013 | 09:02 PM
  #36  
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Default Good info...

I'm thinking about using one of these on my build.. Just don't no which one to get, I would like to have control over the trans to...
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Old Jan 12, 2013 | 09:48 PM
  #37  
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Just google ' megasquirt ' software or Tunerstudio suite and download to test drive the software; its not locked and fully functional. Trans control can be had IF you buy a second megasquirt, the GPIO board and wire it up. Software is really easy.

What is your engine that you want to control ?
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Old Jan 19, 2013 | 03:05 PM
  #38  
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I'm running a 5.3/ 4l60e trans...
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