Best oil for 100K + engines?

[jem556]

What oil are you guys & gals using in your "well broken in" SUV engines?

 

[Donkey Punch]

royal purple

 

[Rpprvnce]

mobile one

 

[gdddup]

valvoline... thinking of substituting 1 quart of valvoline for lucas stabilizer on my next oil change

 

[MrBalll]

Mobil 1 synthetic.

 

[WildBill]

Mobile 1 full Synthetic.

 

[chip]

GTX High Milage

 

[dgould]

Mobil one

 

[gdddup]

ive been thinking of switching to mobil 1 but ive got 134K on my truck should i just leave it alone?

 

[Night Fury]

i got 138K and i use GTX High Milage