Motor Oil Question

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Nov 13, 2011 | 03:03 PM

KeatsUSMC

Thread Starter

Seasoned Member

Joined: Aug 2011

Posts: 271

Likes: 2

From: Wilkes-Barre Pa

Year: 1996

Model: Cherokee

Engine: HO 4.0L

Motor Oil Question

I have a 1996 Cheorkee With around 140,000 Mi What kind of oil should i use ?

Nov 13, 2011 | 03:11 PM

fathan16

CF Veteran

Joined: Sep 2011

Posts: 1,354

Likes: 0

From: vernal, utah

Year: 1995

Model: Cherokee

Engine: 4.0

that's kind of personal preference. but i usually run valvoline 10w-40 or in the winter i like 5w-40. that's just what i use though. im sure others will say differently

Nov 13, 2011 | 03:17 PM

KeatsUSMC

Thread Starter

Seasoned Member

Joined: Aug 2011

Posts: 271

Likes: 2

From: Wilkes-Barre Pa

Year: 1996

Model: Cherokee

Engine: HO 4.0L

How come in the winter 5w-40 ?

Nov 13, 2011 | 03:20 PM

Glockmeister

Junior Member

Joined: Feb 2011

Posts: 78

Likes: 0

Model: Cherokee

I like Mobile 1 10 w 30 synthetic but that's just my personal preference.There are a lot of good oils out there.I also use Mobile 1 as gun oil.It's great stuff.

Nov 13, 2011 | 04:41 PM

djb383

CF Veteran

Joined: Nov 2009

Posts: 8,172

Likes: 17

From: The Republic of TEXAS

Year: 1998

Model: Cherokee

Engine: 4.0L HO

5W40 and 10W40 are the same vis at operating temp.....why not run 5W40 year round?

Nov 13, 2011 | 04:49 PM

02tj

Junior Member

Joined: Sep 2011

Posts: 62

Likes: 0

From: Warrenton Va

Year: 1998

Model: Cherokee

Engine: 4pointslow

10 w 30 mobile one year round.

Nov 13, 2011 | 06:33 PM

superman1456

Newbie

Joined: Nov 2011

Posts: 20

Likes: 0

Year: 1990

Model: Cherokee

ams oil 10w-30 year round for the last 5 years and 3 jeeps! as clean as new in side the engin

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Nov 13, 2011 | 06:35 PM

tjwalker

CF Veteran

Joined: Nov 2010

Posts: 5,841

Likes: 117

From: In the middle of Minnesota!

Year: 1999

Model: Cherokee

Engine: 4.0

It depends on the outside temperature.

Above 60 degrees farenheit, I use 10-30

Below 60 degrees farenheit, I use 5-30

This is what is recommended by Jeep. I see no reason to vary from this recommendation.

Nov 13, 2011 | 07:16 PM

fishfast41

Junior Member

Joined: Oct 2010

Posts: 37

Likes: 0

From: Menomonee Falls, Wi

Year: 1993

Model: Cherokee

Engine: 4.0 HO

I've found that once a motor gets high mileage, using a heavier oil works pretty well year 'round. I just use 10w40 in anything over 100,000 miles, and the manufacturer's recommendations for less than that.

Nov 13, 2011 | 07:25 PM

#10

djb383

CF Veteran

Joined: Nov 2009

Posts: 8,172

Likes: 17

From: The Republic of TEXAS

Year: 1998

Model: Cherokee

Engine: 4.0L HO

0W30, 5W30, 10W30 and straight 30 are all the same 30 vis at operating temp. The lower the 1st number, the quicker the flow at all/any temps below operating temp.