I have a Discovery 2 TD5 1999 that my dad has owned for many years and has been parked up since 2015. This year I have finally come around to getting him back running so I thought. Mechanically every is as it should be and I’ve re done anything that wasn’t right. However he still isn’t running...

I know you can get 'proper' SU damper oil, but I am not sure what it's like. Part of the problem I think for me is the engine oil is so dense its taking much longer for it to heat up requiring it to run richer

I think it’s any of them really , i only know 3in1 through a friend who has the same carb in theirs and the 3in1 is thinner which in my case would help

I know it prefers 3in1 or SU damper oil. I’ll check the rest

My Derek series 2a 1965 has recently been starting to backfire , most often when I put the choke in having driven him for a bit, he splutters and labours then pops. Also when coming up to traffic lights or something, and shifting down gears the engine just dies. When the choke cable is fully out...