[DoTheDog]

GuyBFF,
Thanks for the reply. I tried cranking down the nylon bolts a couple of extra turns with pliers and it doesn't seem to make a difference, MBM5 still shows about 51C under load and about 48C idle.

I do have the Sanyo fan offset from the BI by 1 inch with a spacer and cardboard & duct tape shroud. It is sucking cool air in from the outside. I have cut a 4inch round hole in the front of the bezel to allow more air flow through the rad as well.

I just realized what may be causing the slowdown in the flow. I have two temp sensors in line (one right before the WB and one right before the Rad, so they are measuring the coldest and hottest water temps) and I have a water pressure sensor before the pump (which is really doing nothing because the pressure is 0 at that point). I am using the on board thermister jumper for the water temp probes. I wonder if these three 1/2 inch "T" connectors are killing my flow rate? Will increased flow rate lower my temps? I could easily remove the water pressure and 1 temp probe. The thing is that the water temp is still running a degree below the Mobo temp, and no matter what load I put on it the relative temp to the Mobo temp is always like 1C lower.

Yeah, I noticed that you cannot run both ASUS Probe and MBM at the same time too. ASUS Probe gets real flaky when you do that. I don't think I have the latest ASUS Probe version and that may be why I get a 10C difference with MBM. The MBM temps are very close to what it says in the Bios. ASUS Probe is high by 8-10C.

I guess at the end of the day, is 51C too high? I would like to shave about 5-6C off of that to get closer to what GuyBFF is getting as I am running at 100Mhz slower than he is.

At a 174Mhz overclock 1.33Ghz running at 1.507, I am not quite 100% stable. If I clock it down to 1.485Ghz it is rock solid. If I could keep the processor a little cooler...