Evening all,
As title really, which box is gonna be bext for me to use on a turboed zetec? Both plentiful and dead cheap
Evening all,
As title really, which box is gonna be bext for me to use on a turboed zetec? Both plentiful and dead cheap
ford mt75 easier ? you dont need the c ratio of the rx8 with turbo ?
What's the C ratio?
Is that true of the 5 speed RX8 box too? I know first gear on the 6 speed is a waste of time
It’ll be on at least 16” to clear the brakes so fingers crossed it’ll work well for me!
i disagree - if you look at it as a close ratio 5 speed box (and thats why its popular after all ) then the 2nd gear (new 1st !) is actually higher than the quaif "rally" 1st gear and as such if you using in traffic / town or wales ( i live on a near vertical hill ) then whilst 1st is lower than you want its certainly an added free bonus
turbo and 16" wheels - buy a sierra
Have you seen how much a rot free Sierra costs!!
Besides, I’ve had one of them already 🤪
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You don't say what diff ratio you are thinking of using with your 16 inch wheels Davey. If you are using a tall ratio in the diff then the low first gear of the 6 speed Mazda box might just come in handy for hill starts and slow traffic. You then still have 5 close ratios to play a tune on.
I’ve now collected an NA mx5 gearbox for the princely sum of £20
Now to start researching clutches and spigot bearings
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I'm currently running an MX5 NB 5speed for track days. Nice gearbox when it comes to gear switching but there is a large gap between 2nd en 3rd gear. Making it very difficult to find the right gear for cornering. And it is just about the speed you are normally into when cornering.
The MX5 6speed and RX8 have much better gear spread. These boxes are about the same from second to 6th as a close ratio 5 speed for a fraction of the price.
I would go for RX8 and spacer (available on internet). Don't think there are spacers kids for the MX5 NB box. MX5 NC will fit straight onto a Duratec engine, unfortunately, not on the Zetec.
RX8 gearbox is approx the same box, cheaper and adaptors available
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