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For an 05' 5w30 or 0w30 will be just fine.
 
I am thinking of going with 10w40 next oil change for the summer heat we have here in the desert.
Not needed at all if you use a quality oil.
 
Next change gonna try Redline 10w30. I understand that the moly in Redline can quiet the hemi tick.
One, the hemi tick is a non issue.
Two, the tick can be fixed without changing to fancy oil.

For those using Redline, change it per recommendation. The Group V, although synthetic, doesn't hold up well over time.
 
Art, what would the fix for the tick be?
The tick is usually attributed to lifters, but the rockers are a big cause of the tick and rattle. If you tighten the rockers by about an 1/8th turn it will quiet it down.
 
i do have a small seep from the ds valve cover. i should fix that and try the 1/8th turn thing.
We've even gone 1/4 past spec when doing cam installs, but try an 1/8th first.
 
I use AMSOIL XL 5W-20 Full Synthetic engine oil
 
Rotella 5-40 Synthetic. Mainly because of the slightly higher zinc content.
 
I'm missing something, 1/8th turn of what?
 
So the issue is the tick. The tick is often a broken exhaust Manifold bolts. I would use something like heater hose and listen around the manifold to try to locate a leak. Good luck..
 
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