What year of discovery is it? The D1 had both the LT77 & R380 gearboxes fitted to them dependant upon year. I'll crawl about under my discos tomorrow as I've got a 300tdi R380 box on the mez deck at my workshop, an LT77 in my D1 v8 & a later R380...
You are an absolute star!! Thank you so much, just ordered one from Ebay.
I'll let you know how we get on. We have used a donor vehicle to transplant the V8 engine and gearbox into our defender. So a lot of the parts we use aren't necessarily...
Thanks, the gearbox is a R380, so Disco 1 about 1991 year. It has a weird star insert, so something like a star shaped allen key seems favourite. I have been able to find the actual filler level plug, but no actual tool to get it out with...