Any oil viscosity or additive that reduces the startup rattle on 5.0?

[gafx]

5.0 has the startup rattle for 3-5 seconds. Has anyone changed oil viscosity or used any additive that reduces the rattle on the 5.0? I don't want to replace parts on the engine. But curious if anyone has had luck getting it to quiet down. I've been using Costco synthetic 5w-20 and the Genesis factory oil filters. I'm thinking of going to Pennzoil Platinum Ultra in a 5w-30 weight. Does anyone have any other advice? I appreciate it!

 

[Husam]

5.0 has the startup rattle for 3-5 seconds. Has anyone changed oil viscosity or used any additive that reduces the rattle on the 5.0? I don't want to replace parts on the engine. But curious if anyone has had luck getting it to quiet down. I've been using Costco synthetic 5w-20 and the Genesis factory oil filters. I'm thinking of going to Pennzoil Platinum Ultra in a 5w-30 weight. Does anyone have any other advice? I appreciate it!

Flush the old oil with an Engine Flush then Use 5w40 fully synthetic, and add BG MOA to the new oil.

 

[gafx]

Flush the old oil with an Engine Flush then Use 5w40 fully synthetic, and add BG MOA to the new oil.

I appreciate it, people seem to like BG products, I'll order some of the MOA. I have some Liqui Moly engine flush already.

 

[Husam]

I appreciate it, people seem to like BG products, I'll order some of the MOA. I have some Liqui Moly engine flush already.

Yes that should do. But depending on the weather conditions / temperature or your location, please consider the oil viscosity accordingly. I upgraded from 5w30 to 5w40 and its much quieter now but i live in Dubai.