Sorry to bother you all, but I have started to build my gearbox tunnel today for my mx5 roadster. The Gillham guide has the diff end of the gearbox at 240mm outside diameter, as you can imagine, this is leaving me with next to no space for my seats. Can I get away with using the type 9 spec tunnel dimensions ? Or at least reduce the 240mm down a little. I haven't got the diff off my car yet, and just wondered how small I can possibly go, where the tunnel still has enough room to function properly. Any help would be hugely appreciated !
8th September 2013, 07:44 PM
Mx5 gearbox tunnel issues
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