Ok, finally got a chance to test the builds in-game.
I let each of the run for at least 5 minutes to make sure the heat levels would stabilize and everything looks good.
Here's the 4 chamber currently running at 873 EU/t
![](https://forum.industrial-craft.net/core/attachment/3832-2014-02-04-17-55-20-png/?thumbnail=1)
And here's the 6 chamber currently running at 998 EU/t
![](https://forum.industrial-craft.net/core/attachment/3831-2014-02-04-18-00-54-png/?thumbnail=1)