Oil question
Cadillac
 

Cadillac Forums | Help Us Help You | Advertise | Cadillac Parts | Cadillac News | Cadillac Classifieds / (Old System)

Cadillac Technical Archive | Cadillac Dealers | Cadillac Reviews | Cadillac Dealer Reviews | Cadillac Vendors

CadillacForums.com is the premier Cadillac Forum on the internet. Registered Users do not see the above ads.
+ Reply to Thread
Results 1 to 7 of 7
5.0 and 5.7 Discussion, Oil question in Cadillac Engine Technical Discussion; 60,450 miles, car had been sitting with little use in 3 yrs. Changed oil, used Valveoline 5w30 Durablend Synthetic. 60,890 ...
  1. #1
    thurstb's Avatar
    thurstb is offline Cadillac Owners Member
    Automobile(s): 1989 Cadillac Brougham
    Join Date
    Jun 2010
    Age
    45
    Posts
    35

    Question Oil question

    60,450 miles, car had been sitting with little use in 3 yrs. Changed oil, used Valveoline 5w30 Durablend Synthetic.

    60,890 miles, oil is DIRTY. should I go ahead and change the oil again? Should I stick with synthetic oil? What are you guys using in your 307's?

  2. Remove Advertisements
    CadillacForums.com
    Advertisements
     

  3. #2
    Stingroo's Avatar
    Stingroo is offline Wagon/Audio Enthusiast
    Automobile(s): 92 Caprice Wagon | 01 Sonoma 4cyl 5spd | Past: 94 Fleetwood
    Join Date
    Jun 2009
    Location
    Stuart, FL
    Age
    23
    Posts
    17,098

    Re: Oil question

    Check out the RWD FAQ sticky in the RWD forum. There was a HUGE discussion on this which has more info than I could possibly ever hope to put in one post.

    What I got out of it is that you need an oil with high ZDPP content (diesel oils, I guess have higher levels), and if you don't have one you can buy and use a GM ZDPP additive.

    There was way more to it than that, but yeah. The thread is called "Type of Engine Oil... curious" or something along those lines.

    EDIT: Durr, I could just link you.

    http://www.cadillacforums.com/forums...l-curious.html

    Enjoy

  4. #3
    thurstb's Avatar
    thurstb is offline Cadillac Owners Member
    Automobile(s): 1989 Cadillac Brougham
    Join Date
    Jun 2010
    Age
    45
    Posts
    35

    Re: Oil question

    Thanks Sting!

  5. #4
    Stingroo's Avatar
    Stingroo is offline Wagon/Audio Enthusiast
    Automobile(s): 92 Caprice Wagon | 01 Sonoma 4cyl 5spd | Past: 94 Fleetwood
    Join Date
    Jun 2009
    Location
    Stuart, FL
    Age
    23
    Posts
    17,098

    Re: Oil question

    No problem man.

  6. #5
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
    Automobile(s): 2002.5 F55 STS/65500mi, 2004 Ford F150 SuperCab4x4
    Join Date
    Feb 2006
    Location
    MD Eastern Shore - Kent Island
    Age
    74
    Posts
    44,549

    Re: Oil question

    Read the linked article and the publication date - all that info is 11 years obsolete. We're at oil designation SM now - SG is gone forever.

  7. #6
    N0DIH's Avatar
    N0DIH is offline Cadillac Owners Master
    Automobile(s): 94 Fleetwood Brougham
    Join Date
    Aug 2004
    Location
    Rockford, IL
    Age
    47
    Posts
    7,490

    Re: Oil question

    Every once in a while I come across an oil (I think Autozone) has oil for "older cars", and it specify's a year and older. And if you look, it is oil made to the old spec.

    Nice how our government has control of our crankcase oil (managing the ZDDP levels) and gas for the tank (ethanol content)...... WHY? This is area they have no business messing with.... It costs us engines that wear more and last less and engines that get less fuel economy and worse emissions on engines that aren't designed for it, as well as makes some leaner AFR when they shouldn't be (non computer controlled and E4MC/E4ME carb'd cars/trucks)....

  8. #7
    sven914 is offline Cadillac Owners Connoisseur
    Join Date
    Dec 2008
    Posts
    4,164

    Re: Oil question

    ^Because as far as the Government is concerned, the American population is made up of mindless sheep, who are incapable of logical decision making. If our engines weren't incompatible with todays, (regulated) oils, gasolines, and other fluids, which are corrosive to any system not designed around them, then there would be many more cars, produced before 1985 still in use. This whole idea of replacing obsolete products (cars, computers, laborers, machines, buildings), with newer things, works to boost our GDP, as the sale of used items is not counted. The resent Cash for Clunkers program, is a possible example of the Government trying to expand GDP by offering incentives to people who replaced their obsolete cars with new ones. Regulating oil and fuels, to force the future to come now, is a way for the Government to take older cars off the road, at the expense of emissions and fuel efficiency, which will in turn cause the GDP to raise, slightly.

Quick Reply Quick Reply

Register Now

Please enter the name by which you would like to log-in and be known on this site.
If you do not want to register, fill this field only and the name will be used as user name for your post.

Please enter a password for your user account. Note that passwords are case-sensitive.

Please enter a valid email address for yourself.

Log-in

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.



Bookmarks

Cadillac Posting Rules

  • You may post new threads
  • You may post replies
  • You may not post attachments
  • You may not edit your posts
Read about Lincoln | Buick | Kia Forte Forum
Need products for your Cadillac? Check out your options at the links below:

custom floor mats | Cadillac Chrome and Black Chrome Wheels | window tinting