transmission question..
transmission question..
ive herd a couple times about there being a six speed transmission out there for the fd.. where do i find this
Last edited by fd3s.fc3s; Dec 31, 2007 at 12:38 AM.
Rotary Ninja
Joined: Oct 2007
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From: Wichita Falls, TX
This is covered in the FAQ sticky at the top of the 3rd gen thread, but since im bored all copy and paste it for you
21) Is a 6 speed transmission an option?
There are no drop-in 6 speed transmission options for the FD. However, it should be known that 6 speed transmissions are becoming popular with new cars to improve highway fuel economy, not performance. An RX-8 6-speed transmission will not bolt up directly and is not designed for the torque of a modified or even stock FD. Because of the cost, limited advantages, and the fact that the stock gearbox generally works well, 6-speed upgrades remain uncommon. Differential final drive ratio and lower-ratio 5th gear are more practical drivetrain mods.
That said, the 6 speed upgrade options come in various configurations from HKS, Trust/GREX, G-Force, Guru, Quaife, Borg-Warner, and Hewland. Most use straight-cut gears and dog-box engagement. This results in more noise, harsher shifts, and more frequent servicing. These kits run from $3k to 15k and involve some modification for installation. Here is one example of an install.
There are no drop-in 6 speed transmission options for the FD. However, it should be known that 6 speed transmissions are becoming popular with new cars to improve highway fuel economy, not performance. An RX-8 6-speed transmission will not bolt up directly and is not designed for the torque of a modified or even stock FD. Because of the cost, limited advantages, and the fact that the stock gearbox generally works well, 6-speed upgrades remain uncommon. Differential final drive ratio and lower-ratio 5th gear are more practical drivetrain mods.
That said, the 6 speed upgrade options come in various configurations from HKS, Trust/GREX, G-Force, Guru, Quaife, Borg-Warner, and Hewland. Most use straight-cut gears and dog-box engagement. This results in more noise, harsher shifts, and more frequent servicing. These kits run from $3k to 15k and involve some modification for installation. Here is one example of an install.
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