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Renesis 20b in an rx8

Old 11-20-2013, 07:55 AM
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Default Renesis 20b in an rx8

I am going on deployment soon and owe 6k left on my 8. I plan to pay off the rx8 while gone and i should also accumulate an estimated 14k on top of that. I am going to get another daily driver and use the rx8 as my project. I have thought of a couple of possibilities to do here. One being an ls1 swap with a t56 trans. Something a little more familiar to me. But ive also gained quite a bit of knowledge on rotaries and am debating a 20b build. I was thinking renesis 20b build where i recycle the housings and side plates and buy the extra parts I need to complete the build including the 20b eshaft. I plan to keep the engine naturally aspirated and to also do a street port on the side housings. What problems can I expect to come across with this build and dropping it into an rx8? I know a renesis 3 rotor has been done in england but the forum i found it in was dead years ago. I was thinking the engine should to mount right up to the stock engine mounts and i would have to do a fab to support the unsupported section of engine, and figure something out with how I will fit a trans in there. Probably a t56 because i doubt the stock rx8 trans will handle the torque. Am I over my head here? Should I just scrap the idea of a 20b renesis in my rx8 and go with a na 20b or an ls1 swap. Plus what kind of ecu would I need for a 20b in general? I aint afraid to admit i am new to rotaries, if someone who has done this kind of build would like to point me in the right direction it would be appreciated. Thanks.
sean1833 is offline  
Old 04-19-2014, 03:19 PM
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Default Re: Renesis 20b in an rx8

Stock trans is probably good over 600hp.
I'm thinking of going the same way though.
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Old 04-23-2014, 09:38 PM
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Default Re: Renesis 20b in an rx8

I would recommend a ser 6 motor with single gt 35 turbo will give you a well balanced car with less fitment problems and use your rx8 gear box .Use a microtech computer and will get an easy 350hp at wheels on 15lb boost.
WJMRTY is offline  
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