Just an update on my efforts
e6750@3.718=fsb@465 max multiplier8 can't say stable yet though have run orthos for 10mins only, which is a massive improvement as its been freezing system until now. moved my memory back to spd rather than manual which helped.
vcore 1.55 on water = 40c load
vdim 2.15 60m fan cooling
mch 1.85 removed silly casing 40m fan
fsb 1.2
ich 1.4
shall see what happens nxt. goto say thanks for thread/posts been of great use.