Seems there are various designs of 'like for like' replacements. Some with no internal oil cooler, some with the oil inlet and outlet on the RHS, some on LHS
That's interesting. I've broken a few TD's and fitted TD radiators to 110's, RRC's and D1's but I've never seen one like that. They have all had the oil cooler as integral to the rad
I have a Double S tail pipe section on my Disco, with a really nice Phoenix resonator delete section. The Double SS section has lasted amazingly well as it's the thinnest stainless I have eve come across. But' bends reduce the flow from a generous 2.5" to a mean 2.25" which I find annoying, yet not annoying enough
There's a fair few around, but they tend to be very broad brush and vehicle specific.
For the UK I tend to go by 'Explorer Adam' (Fb) based on his use of a bog standard Dacia Duster.
I would try driving the lanes in a base vehicle, without a spotter, then work your way up
Oil Pump - possibly wear brought on by using VR1, which is a bit too good for a V8. I'd chuck some Shell Rimula R4 in
That Reg signifies a possible ex LR vehicle