Quick Question - Ford Powerstroke Diesel Forum
Please Visit our Site Sponsors
Powerstroke.org is the premier Diesel Truck Forum on the internet. Registered Users do not see the above ads.
LinkBack Thread Tools Display Modes
Old 08-20-2011, 07:03 PM
Compression Ignition Addict

Join Date: Nov 2007
Location: Evans, Louisiana
Posts: 594
Thanks: 6
Thanked 1 Time in 1 Post
Feedback Score: 0 reviews
Quick Question

I've always run 15W-40 in all of my diesel engines, but I've noticed that a lot of people on here run 5W-40. What's the reason for this? I'm close to the 5,000 mark on my oil change, so I want to put a full synthetic in it- what would be better for our 105+ F heat down here in Louisiana in this 6.0? 5W-40 or 15W-40? Thanks! Preston
Reply With Quote Quick reply to this message
Sponsored Links
Old 08-21-2011, 06:48 AM
Compression Ignition Addict

Join Date: Mar 2011
Location: Dandridge.Tn
Posts: 216
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 0 reviews
here is the debate on oil

Best Oil in a 6.0
Reply With Quote Quick reply to this message
Old 08-21-2011, 07:44 AM
Premium Member

Join Date: Jul 2011
Location: Yucaipa, CA
Posts: 324
Thanks: 1
Thanked 5 Times in 5 Posts
Feedback Score: 0 reviews
Google SFR products and watch the demo. Truly amazing and I have seen the demo live using my own products. A friend of mine has run the stuff for 15 years. Ran it in his 89 Dodge Cummins 500K + miles. Ran it in his Getrag 5 speed and never had any trans failures, same in the diff...never had to rebuild the diff in that many miles. For oil I run Valvoline synthetic...high temps...no real noticeable issues with the 5w40. I may switch to Mobil1 Turbo 15w40 only because my oil temps tend to run a little high when I tow...IDK.
Reply With Quote Quick reply to this message
Sponsored Links

Quick Reply

Register Now

In order to be able to post messages on the Ford Powerstroke Diesel Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:
What state or province do you live in?
Security Question
*Required, this field is not shown to others. Enter the last two characters of the word "Powerstroke"
Security Question #2
*Required, this field is not shown to others. "While balancing on a piece of wood, two inches by four inches known as a 2x4, john and his friend sally both spotted a dalmatian inside a truck with sirens, headed to put out a fire. State the animal mentioned in the sentence above."
Please select your insurance company (Optional)


Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.

Thread Tools
Display Modes

Posting Rules
You may post new threads
You may 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 On
Pingbacks are On
Refbacks are On

All times are GMT -8. The time now is 09:27 AM.

Powered by vBulletin® Copyright ©2000 - 2015, Jelsoft Enterprises Ltd.
Search Engine Optimization by vBSEO 3.6.1
Garage Plus, Vendor Tools vBulletin Plugins by Drive Thru Online, Inc.