[Gregtech] Lag issues with Industrial Elecrotlyzer

Hi there, i hope some1 can help me.
I got some lag issues with gregtech 4.08 and Industrial Elecrotlyzer

They cause lag even without being active

Pictures:

http://imgur.com/1dfjt3L
http://imgur.com/bCFcOMb

Gregtech.cfg: http://pastie.org/8976878

Versions:
mcpc-plus-1.6.4-R2.1-forge965-B251.jar
industrialcraft-2_2.0.397-experimental.jar
gregtechmod_4.08s.zip

Thanks so far :O