NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   -   FC powered by the Renesis! (https://www.nopistons.com/2nd-generation-specific-17/fc-powered-renesis-61042/)

sen2two 08-10-2006 06:34 PM

i tryed posting this before but got blasted. maybe people arnt drinking there hater-ade today. so i'll try again.



im in iraq right now and plan on building a renesis powered FC. theres a few things io need to know first. and maybe a fellow rotor head has done this or put some serious though into it.



what i need to know is, i know the FD and TII tranny bolt up using a TII clutch set up, but will they be compatible. (hydraulic, cable,push or pull style) or is the renesis tranny needed for the swap?



oil pan location: will the lower tower bar needed to be fabbed or maybe the FC oil pan will bolt up. any clearencing issues here?



anyone know of an after market intake manifold? in case i can just get the core, the rinky dinky plastic pieces are pretty exspensive. and may have some hood clearence problems.



this might be the hardest part. wiring. would splicing the FC harness into the renesis harness be at all possible or worth it? or running the renesis harness be a lot less of a headache? right now im leaning towards a microtech LT10 to run it. but with such few mods (intake , headers, exhaust, and maybe custom intake manifold) maybe a full stand alone is an over kill.



if anyone has any ideas. im open. thanks in advance...



**and if your gonna say, just stay 13b turbo. more power less money. build your own car. let me build mine**

Jonlax 08-10-2006 07:16 PM

Why a renesis if you don't mind me asking? They are not that powerful and tuning for high hp is just not there.

sen2two 08-10-2006 07:52 PM

i dont wanna turn this into a why discussion. but a how.



a simple answer is, i like all motor. i wount go any further due to past posts. people will comment and tear down ideas no matter what. lets just make this a how to, and general discussion on making an FC renesis powered.

Jedi 08-10-2006 08:08 PM

The Renesis isnt a variant of the 13B (so I have been told) so it will not bolt up to a 2nd gen tranny. I dont know the specs of the tranny in the rx8 but I am guessing it will be a different length for one thing so some crazy fab work will be involved.

FC3SDrifter 08-11-2006 02:26 AM

If these retard fukers can put V8's in these FC's then im sure u can put the renesis in. Besides its more reliable has better response, and its lighter i say .....DO IT, DO It.



















"Its not always about being the fastest, but about feeling right"

- Me

j9fd3s 08-11-2006 09:39 AM


Originally Posted by sen2two' post='832321' date='Aug 10 2006, 04:34 PM

i tryed posting this before but got blasted. maybe people arnt drinking there hater-ade today. so i'll try again.



im in iraq right now and plan on building a renesis powered FC. theres a few things io need to know first. and maybe a fellow rotor head has done this or put some serious though into it.



what i need to know is, i know the FD and TII tranny bolt up using a TII clutch set up, but will they be compatible. (hydraulic, cable,push or pull style) or is the renesis tranny needed for the swap?



oil pan location: will the lower tower bar needed to be fabbed or maybe the FC oil pan will bolt up. any clearencing issues here?



anyone know of an after market intake manifold? in case i can just get the core, the rinky dinky plastic pieces are pretty exspensive. and may have some hood clearence problems.



this might be the hardest part. wiring. would splicing the FC harness into the renesis harness be at all possible or worth it? or running the renesis harness be a lot less of a headache? right now im leaning towards a microtech LT10 to run it. but with such few mods (intake , headers, exhaust, and maybe custom intake manifold) maybe a full stand alone is an over kill.



if anyone has any ideas. im open. thanks in advance...



**and if your gonna say, just stay 13b turbo. more power less money. build your own car. let me build mine**



any 74+ mazda transmission will bolt up to the engine, ideally use a turbo 2 trans and clutch, its a straight bolt in.



the rx8 oil pan is really shallow, it should clear the fc with no troubles, however i dont know anyone who's done it. fc pan isnt a straight bolt in, shouldnt be hard, but it doesnt got right in.



nobody makes an intake except mazda, that i know of



you need to use an aftermarket ecu. RX8 ecu wont work, and neither will the fc one.



you also need to fab up some motor mounts, radiator hoses, oil cooler lines, exhaust too.

Midnightdriver 08-11-2006 10:20 AM

Yes I would agree that using a standalone ecu for this project..like a wolf3d or something..something with its own harness. its going to take some fab work, like stated before motor mounts and perhaps tranny mounts. As for an intake that would be a total custom job...perhaps the guys at Turblown could do it.

sen2two 08-11-2006 12:54 PM

hey jedi....it says 13b on the renesis. so it is "a varient" of the 13b. and it does bolt up to the TII tranny. thanks...





anyways. thanks for the help. i looking into getting the Microtech LT8. they have preloaded maps for FD's and FC's. so maybe it will be easier to tune the renensis with. what do you think? i see the wolf 3D was mentioned. a lot of rotar heads use them. will it be easier to wire it up than say, haltech, microtech? (im new to the wiring and ECU stuff)



and i know i'll need some engine and tranny mounts fabbed. i can weld. but never done this. how should i configure the placement of the mounts. to make sure there correctly placed for balance and weight distribuation.

Jedi 08-11-2006 05:27 PM


Originally Posted by sen2two' post='832422' date='Aug 11 2006, 10:54 AM

hey jedi....it says 13b on the renesis. so it is "a varient" of the 13b. and it does bolt up to the TII tranny. thanks...







Like I said.... it was what I was told and I dont know much about the Renesis. but hell, maybe next time I should just flame you? Sorry for trying to help a little.

j9fd3s 08-11-2006 06:49 PM


Originally Posted by sen2two' post='832422' date='Aug 11 2006, 10:54 AM

and i know i'll need some engine and tranny mounts fabbed. i can weld. but never done this. how should i configure the placement of the mounts. to make sure there correctly placed for balance and weight distribuation.



easy way is to bolt it up to the trans, and use a jack to position it, then fab up mounts in card board (or something). the rx8 mounts are a little too far forward, i think.



as far as wiring an ecu, they all are going to be about the same, you need to look at how mazda runs the vdi and the 6 port crap too, one is a stepper motor i think, not every ecu can do that.


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