Amsoil Series 3000 is what i used this last summer with no ill effects and for this winter i used Amsoil Series 2000 eventhough the 3000 is a tad thicker my gas milage never changed between both oils. Ive still have 6 qrts of each and once those are used up ill stick with the 3000 year round.
Which oil for hot summers in Houston, TX?
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The pavement you're crawling over is around 120 degrees F so your oil temp will be around 20 degrees hotter after several minutes of stop and go. Run short intervals OR use full synthetic.
" Remember Castrol is just a blender. Conoco Phillips does there own oil exploration"
1) Irrelevant.
2) Not true. Castrol is part of BP. You know, the big oil company which also bought Arco and Amoco several years ago.
1) Irrelevant.
2) Not true. Castrol is part of BP. You know, the big oil company which also bought Arco and Amoco several years ago.
I live in southeast Alabama just a few miles from the Florida line and use 5w-20 Motorcraft Oil year around in both of our vehicles.
We have long hot summers here too.
We have long hot summers here too.
I put in my vote for GC, year 'round, both cars. None of this trying to remember who gets what.
been a lurker here for years & years, this my first post.
i run a volvo with basically the same motor as your 850.
my two favorite oils for the volvo are:
shell rotella-t synthetic 5w40
wally world super tech 5w30
i use the shell in the summer & super tech in the winter.
my plan is add a remote dual oil filter set up in the next week or two and switch to german castrol at my next oil change.
i run a volvo with basically the same motor as your 850.
my two favorite oils for the volvo are:
shell rotella-t synthetic 5w40
wally world super tech 5w30
i use the shell in the summer & super tech in the winter.
my plan is add a remote dual oil filter set up in the next week or two and switch to german castrol at my next oil change.
"The pavement you're crawling over is around 120 degrees F so your oil temp will be around 20 degrees hotter after several minutes of stop and go. Run short intervals OR use full synthetic. "
How did you figure this out?
How did you figure this out?
my mistake, the 850 has the 2.4 I5
my ride is the 2.3 I4
my ride is the 2.3 I4
In most cars the oil isn't directly cooled by the coolant so there is some relationship between air temperature and oil temperature. It's not a 1:1 relationship and varies by car and driving condition.
You do have something right. The oil will not get very hot in stop and go traffic compared to highway travel. With the engine running slower and at less load the engine itself will not produce as much heat so the oil temperature will not get hot and will actually begin to cool if you are coming from a highway run. The danger is creeping traffic is from reduced airflow and cooling systemens without the reserve capacity to dissipate the heat with little to no airflow. A broken electric fan for example would spell an overheating event about to happen when pulling into heavy traffic on a hot day.
Heavy traffic will allowing the oil temperature to not get hot enough to burn off fuel and water contamination will degrade and oil quicker...but not becasue it's hot but becasue its too cool.
Triple_Se7en
$50 Site Donor 2024
I suggest you tell that to the Korean oil explorers which Conoco buys alot of oil from.
Again, thanks all for your thoughts.
To me it is interesting to see that the numbers behind the W (like xxW30 or xxW40) are not so important anymore these days, in relation to ambient temperature. That is my conclusion after reading all your replies. It's more depending on the mechnical built of the engine etc.
Regarding the brand of oil I noticed that on this forum Pennzoil Platium is very populair. Particular reason for that?
To me it is interesting to see that the numbers behind the W (like xxW30 or xxW40) are not so important anymore these days, in relation to ambient temperature. That is my conclusion after reading all your replies. It's more depending on the mechnical built of the engine etc.
Regarding the brand of oil I noticed that on this forum Pennzoil Platium is very populair. Particular reason for that?
Triple_Se7en
$50 Site Donor 2024
Above normal low wear numbers -- plus a very cheap price for the five quart jug at WalMart.
For the Volvo I would consider useing a 5W40 like Rotella-T Synthetic or Castrol Syntec 5W40 etc....... For the Ford if it is doing well on the 5W20 I would leave it alone.
Patman
Staff member
Coolant temperature yes, oil temperature no.
My Corvette runs consistently at 190F on the highway, whether it's 0F or 100F outside, but the oil temperature would be only about 190-195F on the highway at 0F, but would be about 210-220F on a 100F day.
So based on that, you do have to consider the viscosity of your oil carefully depending on how hot your climate is. For instance, if your engine is supposed to run a 5w30 oil, you'd be safe to experiment by running 5w20 in the colder months, but you might not be so safe running it for the hottest months.
Don't know why I didn't think of Rotella 5w-40 in my first post - that's what I'd use.
In fact, running that in my Mom's older '85 BMW V6
Didn't know that about the differences in the Maxlife 5w-30 being a better oil over the 10w-30, figured the regular stuff was about the same.
I somewhat agree with the other poster too, run GC 0w-30 in both vehicles, it's a heavy 30wt and you'd only have to store one oil and not like me, have to store 4 different oils & viscosities, cause not one vehicle calls for the same.
In fact, running that in my Mom's older '85 BMW V6
Didn't know that about the differences in the Maxlife 5w-30 being a better oil over the 10w-30, figured the regular stuff was about the same.
I somewhat agree with the other poster too, run GC 0w-30 in both vehicles, it's a heavy 30wt and you'd only have to store one oil and not like me, have to store 4 different oils & viscosities, cause not one vehicle calls for the same.
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