Perhaps I phrase my question as clear as I could have... so I will try
I am considering the purchase of a 2005/2006 Dakota SLT - therefore I do
not have a manual to check. I was hoping someone with a manual would
advise me of the preferred as well as the option (higher viscosity) oils
that may be referred to in the owner's manual. Unlike some other car
makers, Dodge does not seem to have a tech link that I am able to
locate. My current vehicle manufacturer has a great support site
complete with TSB's, oild viscosity charts etc.
Thanks for any help you can give.
Just do not make the mistake other owners have done, only use the
appropriate 5W-30 or 10W-30 oils I prefer Synthetic. Using heavier weights
in the summer will cause premature oil pump wear and failure.
When I bought my 98 Ram many of my friends started using the 20W-90 racing
oils in their new Rams thinking they protected better in the heat. The
heavier oil had the opposite affect and many of them were replacing failed
oil pumps under 70K miles.
My brother-in-law a Chrysler/GM Tech warned me about heavy weight oils where
the manufacturers specified 10W-30 as the heaviest to use. Well, my 98 Ram
has almost 200k on it use 1/4-1/2 quart between oil changes all my friends
are driving around in newer Fords or Chevys cussing out Dodge calling their
engines junk because, their engine did not get the appropriate lubrication.
They did it to themselves but cannot see the forest before the trees.
Nothing wrong at all with using 15w40 in a older engine in hot weather
or to help reduce oil consumption in a worn engine. It will not hurt a
thing and is a better choice for this than 10w40. It would not be my
first choice in a new tight engine unless it got up to 100 or more a lot
during that change cycle.
Delo used widely and advertised in other countries for gasoline engines
also. See below :
Caltex Delo Sports - Available in Asia Pacific and Africa & Middle East
Delo Sports is a high-performance, multigrade, diesel or gasoline engine oil
specifically designed to provide maximum protection for sport utility, sport
activity, pickup, and 4x4 vehicles.
From Chevron's web page;
Chevron Delo 400 Synthetic Engine Oil
Chevron Delo 400 Synthetic heavy duty motor oil is recommended for use in
turbocharged diesel and four-cycle gasoline engines, torque converters, gear
cases and hydraulic systems operating in arctic-type climates and high
temperature conditions. Using the latest synthetic oil technology, Chevron
Delo 400 Synthetic provides excellent performance with either high- or
low-sulfur diesel fuels and in extended service applications.
I would think that the additives used in a diesel oil would be different
from that used in a gas engine. Also in most cases oil used in diesel
engines are more expensive to buy than that used in gas engines.
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