Thread Tools Display Modes
Old 03-07-2016, 08:48 PM   #21
Too old to be too smart
SpringerPop's Avatar
Join Date: Apr 2012
Posts: 263
Originally Posted by blwnsmoke View Post
A 5w40 synthetic is equivalent to a 15w40 conventional.
Could you more-fully explain that?


2004 Terry 250RKS, perfect for the two of us and the pups. It recently replaced our Flagstaff 21FB.

2000 F-350 7.3L CC/LB 4WD Lariat 3:73's
SpringerPop is offline   Reply With Quote
Old 03-07-2016, 09:19 PM   #22
Senior Member
blwnsmoke's Avatar
Join Date: Aug 2014
Location: NH
Posts: 318
Originally Posted by SpringerPop View Post
Could you more-fully explain that?


Sorry, I should have been more clear. Both oils are going to be the same once warmed up so I rather run a 5w40 synthetic rather a 15w40 dino oil since they are equal when warmed up. Plus the thinner oil is better on diesels when starting in the cold.

2015 F350 6.7 Platinum
2015 Coachmen 360IBL
blwnsmoke is offline   Reply With Quote

f350, led, maintenance

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

» Virginia Campgrounds

Reviews provided by is not in any way associated with Forest River, Inc. or its associated RV manufacturing divisions.

Our Communities

Our communities encompass many different hobbies and interests, but each one is built on friendly, intelligent membership.

» More about our Communities

Automotive Communities

Our Automotive communities encompass many different makes and models. From U.S. domestics to European Saloons.

» More about our Automotive Communities

Marine Communities

Our Marine websites focus on Cruising and Sailing Vessels, including forums and the largest cruising Wiki project on the web today.

» More about our Marine Communities

Copyright 2002-2015 Social Knowledge, LLC All Rights Reserved.

All times are GMT -5. The time now is 12:42 AM.