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20W or 30W for long interstate drive ? #5134283 06/14/19 06:02 PM
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ChrisD46 Offline OP
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The '10 Elantra in my signature is going up I-95 to PA. and back end of June ... Oil cap says 5W20 but was considering a 5W30 synthetic for the summer long distance drive .
*I forget if a constant interstate drive is easier or harder on a vehicle in the summer - what would you use ?


'17 Hyundai Sonata 2.4L GDI 5W30 Valvoline Advanced Syn / Fram Ultra
'10 Hyundai Elantra 2.0L 5W30 QSUD / Fram Ultra
'07 Kia Sedona 3.8L 5W30 M1 EP HM / Fram Ultra
Re: 20W or 30W for long interstate drive ? [Re: ChrisD46] #5134295 06/14/19 06:10 PM
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hallstevenson Offline
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Use 5W-20 like it wants. Highway driving is a piece of cake for a car. Nothing special needed.

Re: 20W or 30W for long interstate drive ? [Re: ChrisD46] #5134303 06/14/19 06:19 PM
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tig1 Offline
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Lets see. With about 490K using almost all M1 0-20 I have extensive mileage on long trips in my Fords. My 2007 Ford Fusion 2.3 has made 21 trips to Florida from Illinois. and 1 trip to Maine. My 2017 Ford Fusion 2.5 has 5 trips to Florida, I trip to Maine, and 1 trip to Colorado. If your engine calls for a 20 wt oil, use it with no worries.

Last edited by tig1; 06/14/19 06:20 PM.

2007 Ford Fusion 246,000 miles
M1 5-20HM
2017 Ford Fusion 75K
M1 0-20EP
10,000 mile OCIs on both engines
M1 ATF and Valvoline LV
M1 10-30 in all OPE
MC filters

Re: 20W or 30W for long interstate drive ? [Re: tig1] #5134358 06/14/19 07:37 PM
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ChrisD46 Offline OP
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*That's a lot of interstate trips ... Looks like the 20W synthetic did a good job for you !
Originally Posted by tig1
Lets see. With about 490K using almost all M1 0-20 I have extensive mileage on long trips in my Fords. My 2007 Ford Fusion 2.3 has made 21 trips to Florida from Illinois. and 1 trip to Maine. My 2017 Ford Fusion 2.5 has 5 trips to Florida, I trip to Maine, and 1 trip to Colorado. If your engine calls for a 20 wt oil, use it with no worries.


'17 Hyundai Sonata 2.4L GDI 5W30 Valvoline Advanced Syn / Fram Ultra
'10 Hyundai Elantra 2.0L 5W30 QSUD / Fram Ultra
'07 Kia Sedona 3.8L 5W30 M1 EP HM / Fram Ultra
Re: 20W or 30W for long interstate drive ? [Re: ChrisD46] #5134385 06/14/19 08:10 PM
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benjy Offline
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look in your owners manual!! girlfriends just purchased 18 optima with 2.4L has 5-20 on the cap as well but owners manual states 5-20, 5-30 or 10-30 SN or above. i dumped the 5-20 cheap semi-syn the car lot put in + went with 10-30 full-fake synthetic quaker state. direct injection is hard on oil + i see 7500 or 6 mo for normal driving in her owners manual. the 1/4 mpg you get from xxW20 is a waste especially if you keep your past 100 thou IMO

Re: 20W or 30W for long interstate drive ? [Re: ChrisD46] #5134419 06/14/19 08:54 PM
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Mad_Hatter Offline
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Don't quote me on this but I thought I once read it's a 10:1 ratio when it comes to engine wear and hwy miles v. stop n go city miles.

That said, I just switched over to 10w30 the other day. My manual allows for 5w20/30 and 10/30 with the low starting temp being the lone caveat. But since it's summer here, that's not a concern. I know I'll take a slight hit on the mpg using the heavier oil but like the previous poster said, it's a trade-off for better wear protection for the long summer road trips (at least that's my thought process, right or wrong)

I'm sure someone will say a quality 5w30 would do just fine as well, and they're likely right, but it's just what I want to do and I'm ok with it.

Last edited by Mad_Hatter; 06/14/19 09:00 PM.
Re: 20W or 30W for long interstate drive ? [Re: Mad_Hatter] #5134421 06/14/19 08:59 PM
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JohnnyJohnson Offline
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Originally Posted by Mad_Hatter
Don't quote me on this but I thought I once read it's a 10:1 ratio when it comes to engine wear and hwy miles v. stop n go city miles.

That said, I just switched over to 10w30 the other day. My manual allows for 5w20/30 and 10/30 with the low starting temp being the lone caveat. But since it's summer here, that's not a concern. I know I'll take a slight hit on the mpg but like the previous poster said, it's a trade-off for better wear protection (at least that's my thought process, right or wrong)


My 2004 Corolla summer OCI is Havoline Pro DS 10w-30 MPG hit ZERO! So far I haven't noticed any change.


2004 Corolla 134866
Out: EDGE EP 5W-30 Bosch 3311 7156 Miles
In: Havoline Pro DS 10w-30 Purolator PureOne 3-14-19 129693
2006 Duramax 76356
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 73705 4-22-18
Re: 20W or 30W for long interstate drive ? [Re: ChrisD46] #5134424 06/14/19 09:02 PM
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dave1251 Offline
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That is such easy duty for a engine I would not worry about the grade of the oil.


make the inside of your engine oil cap white.
don't use.
Re: 20W or 30W for long interstate drive ? [Re: ChrisD46] #5134426 06/14/19 09:03 PM
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Brojo Offline
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Whatever makes you sleep better at night. I have liked PP 5w30 in our Kia GDI, it’s hardly thicker than some 20 weights. But like tig1, there are tons of folks who use 20w with great results. In GA, you could even go 10w30 no problem if you want

Just go with your gut and pick your favorite brand that is dexos licensed

Last edited by Brojo; 06/14/19 09:06 PM.
Re: 20W or 30W for long interstate drive ? [Re: JohnnyJohnson] #5134429 06/14/19 09:05 PM
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Mad_Hatter Offline
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Originally Posted by JohnnyJohnson


My 2004 Corolla summer OCI is Havoline Pro DS 10w-30 MPG hit ZERO! So far I haven't noticed any change.


That's the sweet spot, no? 👍

And this will be the first summer that I'm going to actually track that/put the theory to test. I suppose it boils down to each person's driving style, actual speeds driven blah blah blah. as to whether or not they see a noticable hit to mpgs. But gas prices around here are typically at their lowest in the summer months so I don't expect a huge hit to the pocket book, if any.

Re: 20W or 30W for long interstate drive ? [Re: dave1251] #5134435 06/14/19 09:10 PM
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CR94 Offline
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Originally Posted by dave1251
That is such easy duty for a engine I would not worry about the grade of the oil.
Besides, I-95 is generally less hilly than other long Interstates in the East.


2011 Toyota Prius now at 102K
1981 Mazda GLC (323) retired at 606K
1972 Subaru DL retired at 190K
1954 Chevrolet retired at 121K
Re: 20W or 30W for long interstate drive ? [Re: ChrisD46] #5134446 06/14/19 09:26 PM
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Dave9 Offline
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The best choice would be an oil change right before the trip to 5W30, but only if you switch back to 5W20 before winter, and the difference isn't worth the bother of changing the oil again that soon unless the mileage dictates it.

Interstate/hwy miles are much easier (if driving sanely not in the high rev range) and yet, it's an extended period at full temperature on a ~9 yr old vehicle.

Re: 20W or 30W for long interstate drive ? [Re: hallstevenson] #5134457 06/14/19 09:42 PM
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bbhero Offline
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Originally Posted by hallstevenson
Use 5W-20 like it wants. Highway driving is a piece of cake for a car. Nothing special needed.



I agree ^^^^^

Just watch out for the numerous state troopers in NC and Va...

And if you go up 295 around Richmond Va do not speed over 79 mph near or in Hopewell... The city of Hopewell police are out there like gangbusters... During daylight hours... It is near exit 9 through the Appomattox river bridge when heading northbound if coming up from the southward direction. And from the north coming back towards the south the Hopewell city police massive presence starts has soon as you cross the Appomattox river bridge.... They sit right in the median as soon as you cross that bridge heading south bound 295 into Hopewell.

Last edited by bbhero; 06/14/19 09:45 PM.

Nissan Altima 3.5 Coupe
Cam2 Dexos1 Gen 2 5w30 Wix 57356 Oil filter
"Treat your family like your friends and treat your friends like your family."
Re: 20W or 30W for long interstate drive ? [Re: tig1] #5134479 06/14/19 10:09 PM
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AlienBug Offline
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Originally Posted by tig1
Lets see. With about 490K using almost all M1 0-20 I have extensive mileage on long trips in my Fords. My 2007 Ford Fusion 2.3 has made 21 trips to Florida from Illinois. and 1 trip to Maine. My 2017 Ford Fusion 2.5 has 5 trips to Florida, I trip to Maine, and 1 trip to Colorado. If your engine calls for a 20 wt oil, use it with no worries.


Funny enough I’m road tripping to Florida in my 2011 Fusion 2.5 SEL next week. An 1,100 mile speed run, six days on the beach, then return trip.

I installed Mobil 1 AFE yesterday.

Some folks say 1 mpg isn’t a good enough reason to run a 20wt. I look at it the other way. Since my engine will run happily for as long as I care to own it on 0w20, why wouldn’t I take the extra 1mpg?


Don

2005 Ford Freestyle SEL, 158k, Motorcraft 5w20 synblend, Motorcraft filter

2007 Ford Fusion SE 2.3l, 125k, Mobil 1 EP 0w20, Motorcraft filter
Re: 20W or 30W for long interstate drive ? [Re: AlienBug] #5134483 06/14/19 10:13 PM
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demarpaint Offline
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Originally Posted by AlienBug
Originally Posted by tig1
Lets see. With about 490K using almost all M1 0-20 I have extensive mileage on long trips in my Fords. My 2007 Ford Fusion 2.3 has made 21 trips to Florida from Illinois. and 1 trip to Maine. My 2017 Ford Fusion 2.5 has 5 trips to Florida, I trip to Maine, and 1 trip to Colorado. If your engine calls for a 20 wt oil, use it with no worries.


Funny enough I’m road tripping to Florida in my 2011 Fusion 2.5 SEL next week. An 1,100 mile speed run, six days on the beach, then return trip.

I installed Mobil 1 AFE yesterday.

Some folks say 1 mpg isn’t a good enough reason to run a 20wt. I look at it the other way. Since my engine will run happily for as long as I care to own it on 0w20, why wouldn’t I take the extra 1mpg?

An extra 1 mpg? Interesting, I switched two vehicles from "20wt" to 30wt and have been unable to calculate any difference in mpg.


God Bless Our Troops

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