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    So I have some plans in the works for Ashely in the next year that involves a swap, I can use either the 5 or 6 speed but I don't know which is stronger and I'm kinda of turned off of how everyone describes the 6 speed shift. Power wise it'll be around 350-400 wheel. All insight is great appreciated.


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  • #2
    I believe the strongest is the 6 speed in the mazdaspeeds but I may be wrong, shift wise i'll say I prefer the 5 but the 6 really isn't that bad
    1997 mx-5

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    • #3
      6 speed usually holds around 350hp, even though torque is the real killer, and the 5 Speeds usually around 275hp.
      You might be able to get 300hp on a 5-speed, but it wouldn't last long.

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      • #4
        Thanks guys


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        • #5
          You'll want the 6-speed. I destroyed a 5-speed with about 270 torque.

          2013 NC MX5 Club - Build Thread ~ 2017 VW Golf R ~ IG: DroptopDestron
          1997 M *SOLD - Build Thread ~ 1995 Laguna Turbo 281whp *SOLD - Build Thread ~ 1992 Black & Tan *SOLD

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          • #6
            I've purchased an AR-5 from a Solstice, the coupled with a custom bell housing, a custom clutch disc, and PPF, will get me to a comfortable 350 ftlbs. But, working for a clutch company helps.
            Greg
            I make Stuff....shiny,Metal Stuff.

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            • #7
              Originally posted by Reverend Greg View Post
              I've purchased an AR-5 from a Solstice, the coupled with a custom bell housing, a custom clutch disc, and PPF, will get me to a comfortable 350 ftlbs. But, working for a clutch company helps.
              Greg
              Is there a different trans in the 2.4l Solstice vs. the 2.0l GXP?
              Originally posted by Beastinthebushes
              Do lots and lots of reading and research. Lots of vendors sell suspension, not just FM.

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              • #8
                I'm pretty sure they both use the same AR5.

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                • #9
                  Maybe just go for the unibrow engineering approach and use an FC3S T2 transmission and adapter plate? I know Andrew Kidd was still fragging 6sp transmissions at those power levels. 400-500hp rating on those gives you some headroom.

                  http://www.miataturbo.net/miata-part...e-miata-71777/

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                  • #10
                    Kidd was working on the T-5 swap last I heard. But no PPF, kinda kills it for me. The AR-5 has been "said" to handle 800 HP. But that's anecdotal. The expense of the trans and provisions for a PPF made the decision for me. We were thinking that a 350z trans would work too. But, PPF, you know.
                    Greg
                    I make Stuff....shiny,Metal Stuff.

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                    • #11
                      To be frank it's a FC Turbo II swap, I found some info on how to swap the FC bell housing onto NA and NB transmissions


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                      • #12
                        Originally posted by GTOTT97 View Post
                        To be frank it's a FC Turbo II swap, I found some info on how to swap the FC bell housing onto NA and NB transmissions


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                        Got some bad news then.
                        The fc swap is from the NA rotory transmissions with the miata 5 spd only.

                        The T2 transmission and the 6-spd are both different front each other and different from the 5 spd miata box and not interchangeable.

                        **source**. Ran an rx7 transmission with swapped bell housing and tails shaft on my old 91 brg
                        1988 323 GTX--- The toy now :D
                        2008 Mazdaspeed 3::SOLD ----- 1991 BRG NA8 Swap, Turbo::SOLD

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                        • #13
                          Originally posted by wildfire0310 View Post
                          Got some bad news then.
                          The fc swap is from the NA rotory transmissions with the miata 5 spd only.

                          The T2 transmission and the 6-spd are both different front each other and different from the 5 spd miata box and not interchangeable.

                          **source**. Ran an rx7 transmission with swapped bell housing and tails shaft on my old 91 brg
                          Gotcha, thanks


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