Time for Oil Change - Recommendation

My 360 idles @ 20 and drives at 50 with 10w40

BUT idles at 40 and drives at 50-55 with 20w40
and idles at 50 and drives at 50-55 with VR1 50w

Ive been told the lo pressure @ idle is no big deal but like seeing the better pressure.
Any feedback appreciated...

Heres another relative thread:

http://speedtalk.com/forum/viewtopic.php?t=30483


Thanks 66durgederp