Powertrax lunchbox locker

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Aug 29, 2019 | 08:08 PM

BlackXJay

Thread Starter

Seasoned Member

Joined: Oct 2015

Posts: 407

Likes: 25

Model: Cherokee

Powertrax lunchbox locker

The instructions say to use 75w-140. Is this for all climates? I've always used 75w-90.

Aug 29, 2019 | 10:05 PM

00t444e

CF Veteran

Joined: Nov 2015

Posts: 3,636

Likes: 469

From: Southern OH

Year: 1997

Model: Cherokee(XJ)

Engine: 4.0

I use 85w140 in mine, thicker gear oil provides better protection when it's hot, and it works fine in cold weather.

Aug 29, 2019 | 10:28 PM

4.3L XJ

CF Veteran

Joined: Aug 2008

Posts: 6,588

Likes: 495

From: Chico, CA

Year: 1986

Model: Cherokee

Engine: 4.3L with headers and full 3" exhaust system

You will be fine with what you have been using. I use a little power punch gear additive in mine. Makes it smoother

Aug 30, 2019 | 09:06 AM

BlackXJay

Thread Starter

Seasoned Member

Joined: Oct 2015

Posts: 407

Likes: 25

Model: Cherokee

Quote:

Originally Posted by 4.3L XJ

You will be fine with what you have been using. I use a little power punch gear additive in mine. Makes it smoother

Thanks for the tip. Next oil change I'll switch to 75w-140 with alittle additive.

Aug 30, 2019 | 12:37 PM

downs

CF Veteran

Joined: Oct 2018

Posts: 1,096

Likes: 166

From: Hunt County Texas

Year: 1995

Model: Cherokee (XJ)

Engine: 4.0L

I run bulk Supertech 80w90 in my D30 with a No-Slip. No issues.

Aug 31, 2019 | 03:05 PM

xjallseasons

Senior Member

Joined: Feb 2011

Posts: 664

Likes: 29

From: Arizona

Year: 1996

Model: Cherokee

Engine: 4.0

I am with "downs", I run the same with no problems.

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