MT,
Wish you here today so we could go for a blast and see what you think is going on!

Well, it looks like the oil temp problem is fixed. I changed the oil temp sender, and changed the oil to Kendall Gt1 20-50 Wt. Thanks to all that that had input. Now I have to replace my water Pressure dump valve, it stuck open, and I had to remove it yesterday before I could run, and I could NOT WOT the boat, my water pressure was spiking at 30 PSI at 4800 RPMs...

Interesting thread. How warm was the oil cooler after this change? 85deg?

Doc,
Yeah about 85-90 deg.

So did you get to run it wide open?

What was the fix for the low oil pressure at wot?

MT,
No, my water pressure relief valve failed in the open position at the dock, so i removed it and ran her up to 4800 rpm, BUT my water pressure was spiking over 30 PSI, so I had to back out of it. Testing the water pressure relief valve now, trying to get some data off the valve now, only #'s are 1247 on the adjustment knob....
Thanks,
Dean

This is the valve I need to replace:

http://www.hardin-marine.com/p-978-w...4quot-npt.aspx

okay so I took the water dump valve completely apart cleaned it put it back together put it in the boat I test ran it on the hose, and seemed to work and I will run her this weekend. The weather is beautiful supposed to be in the low to mid 80s

I was going to suggest that Dean. There's not a whole lot that can go wrong with a spring operated pressure relief valve.

Cole,
I supported some Mystic 39 CC testing last week in Lake Monroe, and there was Hydria all over the place, I think I might have picked up some, and yeah I looked at it, took it apart, greased everything, and back together again. We'll see on Sat.
Thanks,
Dean