Nope.
none. Zero
Redline 5w30 started just as quite as Amsoil SS 0W40.
I wouldn't run it with any other 5w30 tho. Not in my 6.4. She can be a picky girl.
Long, long time ago, we found out on this thread that the 6.4 was actually tested with 5w30 in it. The 0w40 call out, specifically...