I'm curious about how people that use it have mounted the MX5 Mk3/NC gearbox to their chassis? I'm switching from a type 9 as I'm going from pinto->duratec.
It seems to fit between the chassis rails pretty well which was concern No.1 It's definitely a lighter gearbox than the 9 when lugging them both about (though I believe you can get ally bellhousings to help with the weight of the type 9).
It looks like I'm going to have to remove the cross piece closest to the gear lever and shift it back about 3-4 inches as the gearbox is too high/slightly too far back in the picture below..
The only alternative I can see is to chop off the undercarriage section of the box itself that comes down underneath the gearbox that has the two mounting bolts on the bottom (it looks like it is there just for something strong to have the bolts on?). I could then use the brackets/bolt holes to the sides where the prop shaft goes in to mount to the chassis.. I think the MX5 uses the gearbox structurally in some way (hence the massive bolts on the bottom and side) which obviously won't be the case here.. has anyone taken an angle grinder to this bit of an MX5 box? I know people (and caterham) get rid of the side bolts
I'm guessing the Caterham uses those two bottom bolts as the main mount with this bracket
https://caterhamparts.co .uk/mounts/5439-gearbox-mount-5-speed-mazada-gearbox.html?search_query=mx5+mount&results=162
Any thoughts/experiences out there?
[Edited on 11/7/22 by trevw]
