Road trip with Mobil Super 5K

[circuitsmith]

Just returned from a 2 week, 5377 mile road trip from Wash. DC up through mid Canada.
Changed to MS5K 10W-30 with a (PL14477) Pure One filter just before the trip, replaced with MS5K 5W-30 after returning.
Consumed about 1 cup of oil. Car now has 41K miles on the clock.

 

[demarpaint]

Nice trip. You really can't complain about that kind of oil consumption.

 

[Rolla07]

What made you decide on a 10w30? Why not just keep using 5w30?

 

[Gabe]

Originally Posted By: Rolla07
What made you decide on a 10w30? Why not just keep using 5w30?


For a road trip with limited cold starts, 10w-30 is the better choice.

 

[kschachn]

Why?

Originally Posted By: Gabe
For a road trip with limited cold starts, 10w-30 is the better choice.

 

[tamedcowboy]

Yeah, 10w30 would probably hurt fuel economy, not to mention cold-cranking protection.

 

[circuitsmith]

My reasoning for 10W-30 is fewer viscosity "improvers"; less prone to shearing at high speeds and loads, cruising at up to 85mph for hours & climbing hills wide open in 4th gear.
The coldest start was about 60F, not a problem for a 10W.
It's still a 30 weight at operating temperature, so gas mileage doesn't suffer.
My worst mpg was 27.5, at a steady 85mph with AC.

 

[CarbonSteel]

Originally Posted By: Rolla07
What made you decide on a 10w30? Why not just keep using 5w30?

+1 - from the OM:

Quote:
SAE 5W-30 is the best choice for good fuel economy, and good starting in cold weather. If SAE 5W-30 oil is not available, SAE 10W-30 oil may be used. However, it should be replaced with SAE 5W-30 at the next oil change.

 

[gfh77665]

Originally Posted By: circuitsmith
My reasoning for 10W-30 is fewer viscosity "improvers"; less prone to shearing at high speeds and loads, cruising at up to 85mph for hours & climbing hills wide open in 4th gear.
The coldest start was about 60F, not a problem for a 10W.
It's still a 30 weight at operating temperature, so gas mileage doesn't suffer.


You are correct.

 

[Garak]

Then why not just run an SAE 30?

 

[Clevy]

Originally Posted By: Garak
Then why not just run an SAE 30?

Hehehe