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What oil for my 05

4K views 20 replies 11 participants last post by  Redtruck-VA 
#1 ·
Hey everyone I just bought 10w40 Mobil one full synthetic oil. But I don't feel right about the numbers. I have 138 miles . I just want something that will make it run smoother (faster) what do you guys recommend
 
#11 ·
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.
 
#13 ·
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.
 
#15 ·
We've even gone 1/4 past spec when doing cam installs, but try an 1/8th first.
 
#16 ·
I use AMSOIL XL 5W-20 Full Synthetic engine oil
 
#17 ·
Rotella 5-40 Synthetic. Mainly because of the slightly higher zinc content.
 
#18 ·
I'm missing something, 1/8th turn of what?
 
#20 ·
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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