oil pressure to high??

Have a 94 auto 150,000 miles, using some high mileage oil 10-30 wt, 4.5 in lift 33's, 4.56 gears. This is a new truck to me, built it this winter. Motor runs strong, no blow by, no ticking, no smoke. I have just started driving it and the oil pressure is running 60 to 70 psi all the time when it is warm and under load and then at idle it stays at 40 psi. Is this ok? Just seems high

Thanks for any info