QS UD 10w30, 2992 Miles, 95 Jeep Wrangler

[OhioYJ]

Been meaning to add the text results of the test, since images are frowned upon.

Code:


Iron 56

Chromium 3

Nickel
Aluminum 10

Copper 8

Lead 16

Tin
Silver
Vanadium 1

Silicon 52 *

Sodium 49

Potassium 9

Molybdenum 39

Magnesium 17

Calcium 2018

Barium
Phosphorous 1331

Zinc 1553

Viscosity 100C 10.1

Base Number 6.0 *

 

[buster]

Si is high. I believe the 4.0 benefits from oils that have higher ZDP levels. I would use QS Defy in this engine.

 

[84zmyfavorite]

I am on the fence about which oil to choose for my parents 2001 Cherokees 4.0 with 121,000 miles. QuakerState Defy 10w-30 or Valvoline Maxlife 10w-30?

 

[buster]

I'd use Defy.

 

[addyguy]

Originally Posted By: buster
I'd use Defy.


+1.