Quote Originally Posted by rspears View Post
I agree 100% with Don's approach, and I hope you find that your problem is a simple sending unit. I had a similar issue, running 10W30 Synthetic Blend oil, and my engine guy suggested getting away from the synthetic altogether. Switched to Valvolene 10W30 and I hold about 15to20 at idle, and about 50 above idle with everything warm. If you don't find it with the mechanical gauge you might try an oil change, just for grins.
Thanks for the reply. That could be another route to take.