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Joined: Feb 2016
Posts: 306
Learner Plates Off!
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Learner Plates Off!
Joined: Feb 2016
Posts: 306
Not considering the rest of the driveline, but a 6 speed swap would be an easy way to get around any horsepower limitations there, right? I know the miata 6 speed is a good deal more robust. Lots of extra webbing on the case, etc.

Maybe whatever G56 is brewing for the bevel box, would help as well.

Joined: Aug 2012
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Talk Morgan Expert
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Alain has installed A 6 gearbox on his Mtw
It seems to be wonderfull

Joined: Aug 2011
Posts: 898
E
Talk Morgan Regular
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E
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There is no problem with the MX5 / Miata 5 speed box under 250 HP.

I know of no evidence that proves the 6 speed box which is a bought in component by Mazda on the MX5 has any more capacity for power transmission then the 5 speed made by Mazda box.

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Talk Morgan Regular
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Originally Posted By Eddie Cairns
There is no problem with the MX5 / Miata 5 speed box under 250 HP.

I know of no evidence that proves the 6 speed box which is a bought in component by Mazda on the MX5 has any more capacity for power transmission then the 5 speed made by Mazda box.


NC miata 5 speeds grenade at around 250HP, but I have never heard of a 6 speed grenade under 300HP. I have heard they can handle far more.

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