Yeah he hasn't had to do it, he's in Telluride so I'm not sure if it matters. Here in VT it's once a year inspection/emission.

 

if i'm going to have to replace my engine it's hard for me to replace it with the same 4.6 that cost me 10K+. i know there are some out there that have been redesigned, but wanted to consider all options and put something in that was very reliable and not so high-maint. i might be living in a dream world but just doing some research.

 

if you want to keep it street legal, you have to go home with the one that brought yuh.

Here a complete 4.6 with flanged liners, ARP stud kit, the water jacket have ceramic coating, which should solve the hydrocarbons in the coolant issue. And it comes with a 3-years warranty.
Land Rover Engine Remanufactured 4 6 Long Block w Flanged Cylinder Liners | eBay

 

MI does not test.
You can get a brand new block from the UK for $5000 shipped to your door, then you swap over your heads.

 

Man it's nice to live in south central Montana. I'm only one long day's drive from Colorado, and between 2-6 hours from every good trail in Montana or Wyoming. And we don't have emissions testing.

 

My thing is, why not a diesel? Easier to maintain, better fuel economy, longer engine life and you get more torque at low RPMS which is perfect for wheeling. In terms of swapping a current Rover diesel into your D2, you'll have a problem because the only EPA certified Rover diesel is the 200Tdi and you can't put an engine that is older than the model year of your vehicle (if newer that 25 years). You could put a power stroke or similar in however you'd need to register the vehicle as modified and then have to deal with the insurance and other crap that comes with it, or live in a state that doesn't do emissions testing.

 

How is the 200TDi epa certified? It never came in the states...

 

A Power Stroke? That would be heavy as a mother@#$%!#. So would a Cummins. How about this... I know for a fact Cummins made, and still makes, the 4BT, a 3.9L, 4 cylinder diesel that they put in commercial vans and different industrial vehicles. A few of them even got put into Jeep Liberties. It's essentially a 5.9L Cummins with the back two cylinders lopped off. They're not all that difficult to come by. They weigh only about 40-60lbs more than the standard 4.0 or 4.6 V8s, and their stats aren't that far off the 300Tdi and Td5 engines in the Disco Is and IIs. And, if that's not enough, it's not too difficult to build them for a bit more power.

I've been tossing this idea around for awhile.

 

I am going to totally disagree with that, just because it is a diesel does not mean it is going to last any longer than a gasoline engine.

 

But the odds are a lot higher it will, diesel fuel has better lubricating properties and 9 times out of 10 diesel engine components are stronger than gas engine components. So the mear nature of the diesel engine lends itself to longer life span then gas engines.

I had a diesel Jetta with 324k miles on it and the only thing I had to do on it was change the timing belt a couple of times. Granted I had to rebuild the head at around 220k miles (due to my own dumb assery of leaving a wrench on the crank pulley *ahem) there was almost no ridge in the cylinder wall.