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Rb25 rx8

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Old 03-21-2014, 05:38 PM
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neon driver...
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Thought I'd share my project I'm trying to tackle right now

If you don't like it and going to judge, hit the back button.
Attached Thumbnails Rb25 rx8-image-2253340003.jpg  
Old 03-21-2014, 07:37 PM
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Love the rb. Are you using the rb25 trans or the z32 trans?
Old 03-21-2014, 11:11 PM
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I'm using the rb trans, basically everything is stock rb25parts except for the clutch and side IM.
Old 03-22-2014, 08:12 PM
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How far back does it sit?
Old 03-24-2014, 11:37 PM
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subbed, dont let me down you gotta actually go through with this swap man its gonna be awsome when its done!
Old 03-25-2014, 08:21 AM
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The engine sits against the firewall and in order for the shifter to reach in nicely like stock and the oil pan clearing the rack I had to bang the firewall in a little. The aluminum rear sump oil pan sits almost right on the rack just had to be modded to clear the connector since the engine sits angled.

The swap has it's own mounts and it's sitting on its own now, I'll get the rad support done soon, figure out a mount for the trans and rear end beam(easy), put intake manifold on, mocha up intercooler then do wiring.
Def not backing out like most.
Old 03-26-2014, 05:57 AM
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Can I see some pix of the mounts and pix of the mods you did to the rack/subframe if you dont mind 😊
Old 04-20-2014, 10:44 AM
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Driveway is a little messy....


Rb25 rx8-image-3508484489.jpg



Rb25 rx8-image-3790664414.jpg



Rb25 rx8-image-3891067016.jpg
Old 05-07-2014, 05:47 PM
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i got a question for everyone that has done a swap retaining the renesis ecu to control the cluster.
what did you guys use to make the ecu think it has injectors, solenoids and coil packs?
i was thinking of putting resistors to mimic all that uneeded stuff in everyplug but i wonder if it will work.
Old 05-07-2014, 07:17 PM
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You need the Eccentric shaft trigger signal.....and the coolant temp sensor and oil pressure sender. ..doesnt need any of the other stuff
Old 05-07-2014, 08:22 PM
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I have them hooked up already, I'm just trying to keep the cel light off.
Old 05-07-2014, 08:50 PM
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Rb25 rx8-image-2665602651.jpg



Rb25 rx8-image-4267196063.jpg



Rb25 rx8-image-911258801.jpg
Old 05-07-2014, 10:30 PM
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Just get a used Cobb or other tuner and shut them off. Trying to emulate everything would be a huge PITA if even doable without OEM engineering support
Old 05-07-2014, 11:07 PM
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I measured resistance on injectors, solenoids and coils then picked up a few resistors. I'm going to try them and see if they will make the ecu think that there are sensors hooked up.
Thanks for the help
Old 05-08-2014, 07:38 AM
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Add gas, add oil, repeat
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Good luck with everything. Def go with a cobb AP to clear the Cel's.
Old 05-08-2014, 08:55 AM
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You wont get any codes from ignition or injectors...and you cant fool the solenoids with resistors. They are expecting signals with certain responses not just resistances.
Have a go at it I always found I didnt believe until I wasted a lot of time too
Old 06-17-2014, 06:43 AM
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Hey bro I seen this car on ig and I was woundering what did you do for mounts? Did u buy some and customize them or build some from scratch?
Old 06-17-2014, 02:17 PM
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I used the stock rb engine and trans mounts that came with the swap and iat made my own brackets for the subframe.


-Hugo
Old 06-20-2014, 05:27 PM
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keep it up man i still have faith this will be a successful project.
Old 06-21-2014, 07:32 AM
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Got all done, car starts up and runs.
Going to get the driveshaft done and then I'm making exhaust for it
Old 06-23-2014, 07:51 PM
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Originally Posted by nsrt4
Got all done, car starts up and runs.
Going to get the driveshaft done and then I'm making exhaust for it
Yaaaaaay haha. Im glad you got this far dude keep pushing almost done. Did you get the cluster, power steering and all that fun stuff working too?
Old 06-24-2014, 10:48 AM
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Yes sir, everything works great.
Old 06-24-2014, 06:17 PM
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pictures/vids?
Old 06-27-2014, 12:52 AM
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Old 06-27-2014, 07:10 AM
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Add gas, add oil, repeat
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Looks / sounds great so far. If you can manage to stop the dashboard looking like a x-mas tree you will be a hero around here.


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