<VV> More Corvair Oil Confusion?

[John O'Shea]

Just saw the new shipment of Shell Rotella T 15W-40 at Sam's Club.  The old Rotella T 15W-40 had CI-4 and CI-4 plus on the label.
The new Rotella T 15W-40 has CI-4 plus, but no CI-4 on the label.  Is CI-4 plus an OK oil for Corvairs?
This was also posted to CorvairCenter.com

Jack in Las Vegas where Spring has sprung!
Cherry trees are in blossom all over the place.