Eenesis tranny will it fit the FC?
Can we use the RX8 transmission in the FC?
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Yes!! I have one in an rx3 and there is way less room
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Originally Posted by 73rx313b
(Post 12384244)
Yes!! I have one in an rx3 and there is way less room
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Anything is possible with enough money and work. There are reports of some people completing this swap, but the general consensus is it's not much of an upgrade for most applications.
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Originally Posted by djSL
(Post 12384272)
Anything is possible with enough money and work. There are reports of some people completing this swap, but the general consensus is it's not much of an upgrade for most applications.
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I have seen reports on this forum over the years that the RX8 transmission can't take the abuse the TII tranny can. Obviously this doesn't matter for NA or even some hybrid turbo cars, but making 350+whp I haven't seen a lot of supporting data stating it's up to the task.
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From what I understand the RX8 uses an Aisin AZ6 which is similar to the Miata 6 speed. People swap out Miata 6 speeds for TII trannies to hold more power; the MiataTurbo community places the AZ6's break point somewhere around 350-400 WHP.
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Yes but it's not a direct swap. This thread covers the most of it. Biggest hurdle seems to be getting a working speedometer since there is no provision for one on the transmission.
https://www.rx7club.com/2nd-generati...-fc3s-1063279/ |
Originally Posted by Chandon Pierre
(Post 12384294)
From what I understand the RX8 uses an Aisin AZ6 which is similar to the Miata 6 speed. People swap out Miata 6 speeds for TII trannies to hold more power; the MiataTurbo community places the AZ6's break point somewhere around 350-400 WHP.
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Originally Posted by 73rx313b
(Post 12384286)
General Consensus of who?? I would guess from folks who have never actually done it. I thank that is a perfect upgrade, especially for an NA application. I have no regrets. I run a 4:44 rear gear, same as the rx8, and my power band is pretty much anywhere i want it to be!! keep in mind my car is pretty light and i run a big ported 13b with a Holley and free flowing exhaust.
The rear gearing makes a world of difference and has the most effect on your power band. Unfortunately, the FC has a stupidly long pinion and there are no easy (read: cost effective) methods to obtain better rear gearing. Your only options are a 1k welded pinion via Mazdatrix (and you need to send a pinion to them, with no ETA on turnaround times), swap in an Rx8 rear diff (will need custom mounts, driveshaft, etc), or to spent 1500-2k on a Ford 9" swap :( |
Originally Posted by djSL
(Post 12384369)
General consensus based on the math/gear ratios. Don't get me wrong; I've considered this swap for my peripheral port FC, but I don't think the difference in gearing in the Renesis transmission is worth the work.
the T2 trans works great with a turbo car, but for some reason the PP engines tear them to shreds |
Originally Posted by j9fd3s
(Post 12384394)
the Rx8 gearing is pretty much the factory race gearing with a granny 1st, if you're revving the engine higher, its way way way way better.
the T2 trans works great with a turbo car, but for some reason the PP engines tear them to shreds |
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