07-28-2016, 09:28 AM | #43 | |
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Can you pm me info on the provider? I'm in ohio and may be moving from fi to an lsx swap |
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07-28-2016, 11:42 PM | #44 | |
...Just add nauseum
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07-29-2016, 09:38 AM | #45 |
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I would consider only one swap, LS swap. Thought I won't do it until there is a solution with All systems working properly.
@Manji so everything works with the Motec M150? I see full blown sells a plug and play package as far as it replacing the stock ECU. (I know the engine harness needs to be moddified to accomodate the new motor sensors).
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07-29-2016, 10:37 AM | #46 | |
...Just add nauseum
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@slicktop also has all the OEM systems working, using an Emtrom ECU instead. The Emtron costs thousands less. @Ross and @npavlo know much more about that than me. That patch harness won't do it. It could, if you plugged in the ECU, and built your new engine harness off of the stock engine harness plug in the engine bay, but you will likely run out of wires. To do it right, You need to make 2 harnesses to complete the swap. 1 engine harness for all your ECU inputs and outputs, and a patch harness to connect the rest of the car's systems to your chosen ECU. To do that, you pull the associated wires that you need to retain from the stock ECU plugs, and re-pin them to the appropriate pins on the standalone plug. You then pull all the wires from the original Engine-ECU harness out of the car. You build the new engine harness, and split it at the firewall. the cabin side completes your patch harness, and you pin it to the standalone ECU's plug. The engine side connects to all your sensors, coils, injectors, e-throttle if installed, etc. If you don't intend to DIY, you're going to have a professional build an engine harness no matter what. The extra cost to have it done right is negligible, after you've paid for one harness. Just figuring the pinout for the stock plug would take as many man-hours as replacing the cabin side and pinning it the way they want.
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07-29-2016, 12:08 PM | #47 | |
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You won't run out of wires at the the main engine junction connectors with an LS swap. There are plenty of wires (54 + 8) there to run a V8. Remember the FA20 has 4 cam sensors, 4 cam solenoids, and 8 injectors, along with extra emissions wiring that can be reused as something useful. Yes, you will also need an ECU patch harness to jump from your factory ECU connectors to the Motec/Emtron. I have designs for these harnesses. Unfortunately is seems like there is never going to be mount hardware available to actually put the LS engine/trans in the car. |
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07-29-2016, 12:17 PM | #48 |
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The way we did the harness was to completely remove the factory engine harness and connectors, the primary engine harness connector was to close to the exhaust to make that work safely in our opinion for our application. We then repined the factory ecu connectors at the wires needed, and repined the fuse block wires needed and built an engine harness.
I get asked all the time for that harness. Do to the amount of rework to the factory harness and different layouts we do not offer generic harnesses for this application. For a v8 application were the exhaust may not interfere and using a low sensor count I could see reworking the factory primary engine harness connector and building a jumper harness at the ecu connector. This would be similar to how Manji harness was done. But if you start adding in a bunch of sensors I would just build a full harness at that point. |
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07-29-2016, 12:21 PM | #49 |
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As for the mount hardware, that should actually not be very hard to do. Most likely the worst part would be cleanly getting the transmission bracing out of the tunnel and re-bracing the mounting point in the tunnel for the transmission.
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07-29-2016, 03:24 PM | #50 | |
...Just add nauseum
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Much easier than clearancing the tunnel brace with a grinder and recycling the old captive hardware. You have to grind the coating off to weld anything new on anyway, and cutting spot welds is pretty clean with the right tools.
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07-29-2016, 04:02 PM | #51 |
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Help is on the way....very soon....we are next..in fact as I'm typing this its being done.....what the article doesnt mention is a MRS engineer got everything working seamlessly .......https://us.mrs-electronic.com/linking-flyin-miata/
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07-29-2016, 05:02 PM | #52 |
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I spent quite a bit of time removing the trans mount brace from the tunnel, using a couple spot weld bits. There are quite a few spot welds. After removing the factory bracing we welded plate to the tunnel fully surrounding the sides and top. Before we could properly weld the plate in we had to remove the sound deadening from the interior of the vehicle that was present on the tunnel. Do to working area, I found this to be the shittiest part of doing the swap. Building some mounts and brackets really should not be the end of the world.
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07-29-2016, 07:13 PM | #53 |
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MRS Electronicss posted today BRZ Blown LS3 ........https://m.facebook.com/story.php?sto...&id=1411620390 There will not be a need for thousands of dollars for an Emtron or Motec.
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07-30-2016, 04:59 AM | #54 |
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@cf6mech Glad to hear of another company working on this. To bad the last one didn't work. Good luck and keep me posted.
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07-30-2016, 12:58 PM | #55 |
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That link no longer works fyi.
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07-30-2016, 04:34 PM | #56 |
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