Issue Description:

I used ender tweaker to make pneumaticraft's lpg to produce around 3600rf/t in the enchanced combustion generator and it does that but the block is only capable of outputting 1280rf/t

What happens:

It output 1280rf/t but the internal buffer fills up because it is generating 3600rf/t

What you expected to happen:

It outputs 3600rf/t

Steps to reproduce:

1. Create a script (can be any liquid but I am using lpg):
   mods.enderio.CombustionGen.removeFuel(liquid:lpg);
   mods.enderio.CombustionGen.addFuel(liquid:lpg, 960, 2500);
2. Put a bucket of that liquid in the enchanced combustion generator with octadic capacitor and some water
3. Place a vibrant capacitor next to it
   ...

Affected Versions (Do not use "latest"):

• EnderIO: 1.12.2-15.1.52
• EnderCore: 1.12.2-1.1.7
• Minecraft: 1.12
• Forge: 14.23.5.2847
• SpongeForge? no
• Optifine? no
• Single Player

Your most recent log file where the issue was present:

https://gist.github.com/FeedCat02/cf9fde4abfb380b9cea55a8739766c47
[pastebin/gist/etc link here]

a641b2d

my mistake it is hard coded to an 1280/t