06-02-2005, 04:38 AM
I installed a "Helicoil" in mine only a few weeks ago. The old sumpplug was Imperial so I got a M14 one from caterham as probably used on your car. The only problem is that the tread is not 2 or 1.25 as M14 normally is but 1.5 ... look for helicoils for sparkplugs and you should be fine.
