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Old 12-19-2018, 07:35 PM   #1
ryosuke138
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Default Engine Swap!!

I have recently got a S2000 chassis. For the engine I am thinking about pulling one out of an RX8 and am wondering how I should go about that. I would love suggestions, and can hopefully keep yall updated throughout my journey.






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Old 12-20-2018, 01:00 AM   #2
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Would I use the harness from the rx8 or the s2000? cheers!
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Old 12-20-2018, 09:21 AM   #3
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So you have an S2000 roller and you want to put an RX8 engine in it? As much as I love rotaries, this project sounds like a downgrade to me - much easier & less costly to just find a running S2000 engine to drop back in there.


IF you insist on the RX8 motor swap, you'll need the RX8's ECU, wiring harness and probably a bunch of other crap from the RX8 to make it work. Or go with an aftermarket standalone ECU & custom wiring harness and figure out how to get it to run right. Not to mention all the mechanical fabrication involved in installing the RX8 motor, exhaust & necessary plumbing bits into an S2000 chassis. I'm not up on all the details, but the RX8's ECU not only manages the engine, but it's tightly integrated with other systems on the RX8 (e.g., power steering, stability control, dash/instruments, ABS, etc.) which won't be on your S2000, so there's that shit show of problems to deal with too.
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Old 12-21-2018, 12:08 AM   #4
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I would recommend the something like the Adaptronics RX8 standalone. It has full CAN bus support, so you could probably run most things on your car, or do it the other way around and use the one for the S2k and rewire for the engine. Second option is probably your best bet.

My honest opinion though.... you're putting a less reliable, and less powerful engine into the S2k... If you really want a rotary, at least get one that can handle more power like a T2, RE, REW, or 20b. It still wont have the same reliability as the F20 blocks, but at least you can make some respectable power.
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