Nether lava pumping and energy

[DriftinFool]

I found for me it feels way more balanced allowing the enderthermic pump to only work in the overworld; it means I can still pump out large amounts of lava but I no longer view it as an "infinite resource". The BC pump does also auto-chunkload now (iirc).
I am a little bit surprised that you show so much concern about the lag caused by the animation of the engines but not the lag from the flowing lava but I never force my playing style on others.
I do have a suggestion:
Use BC gate logic to send out a redstone signal when the tank is full to turn off the magmatic dynamo, this requires structure pipes but works quite well.

I think the BC pump will load the chunks it is drawing lava out of, but the chunk it is actually in needs to be loaded. I think that is what Direwolf said when he set up his most recent one. He used a spot loader for his instead of a chunk loader to cover many chunks like in the past.

 

[Democretes]

I'd prefer to to save my diamonds.

I'd just like to point out that there aren't any diamonds used in the ender-pump recipe. Just clearing that up for you.

 

[Rubyheart]

I'd just like to point out that there aren't any diamonds used in the ender-pump recipe. Just clearing that up for you.

Four Ender Infused Obsidian, a bucket of lava, a bucket of water, and Eye of Ender, an Iron Pickaxe, and a Diamond are required to craft an Enderthermic Pump. So... it needs a diamond.

 

[Democretes]

Four Ender Infused Obsidian, a bucket of lava, a bucket of water, and Eye of Ender, an Iron Pickaxe, and a Diamond are required to craft an Enderthermic Pump. So... it needs a diamond.

I just checked it off the thread inteh MC forums when I replied. Either way, unless you're using a dimensional anchor, you're using at least one, if not two, diamond(s) for that in addition to the pump. Pump is still cheaper.