Quote:
Originally Posted by KRAM36
......I changed to Mobil 1 High Mileage 10W-30 and got engine clatter at start up. Went back to Mobil 1 0W-40 and no engine clatter.......
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What I read is the ZDDP additives are best for our engines. They build/create/generate a film/surface barrier/slime (whatever you want to think of it as) that protects the multiple metal parts as they are rubbing against each other. The high detergents levels in a High Mileage oil wash away the "film/surface barrier/slime".
That's my summary - I will now runaway from the grenade that is an oil discussions......
