MSParks,
The numbers I got were right off the Amsoil Corporate Web Page. Amsoil series 3000 5w-30 vs Amsoil 10w30 synthetic.

You said most conventional oils have 17% volotility. Where did you get that number, 10 years ago? Oils have gotten better over the last few years. The oils I carry (petro and synthetic blends) are much lower in volotility than the 17% you mention.

Boss96Hog,
Sorry for the slow response, but my kids are in town from AZ and I'm kinda on vacation. For where you can get LE oil just e-mail me or or for large orders over 100 lbs call 1-800-537-7683

Sincerely, Kevin

 

Dennis,

I'm only a mechanic (ASE) and not a lubrication specialist, but I know the difference between 5w30 and 10w30. I even use the Motorcraft 5w30 like a good little boy.

Dig you later...

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Sailor Moon's Toy,
Tuxedo Mask

 

Kevin,

I see, I couldn't figure out which 5w30 you were using. That Series 3,000 is for mostly diesel use. But it can be used in cars too. That is the reason I gave for the XL7500 cause it is most like what folks on here would use.

The 17% volitilty comes from the pennzoil spec sheet.
"It says >17%". So I would take that as a 16.9%, for their oil. I didn't say all conventional oils are 17% volitile.
I know that LE oil is one of the top oils out there because they don't scrimp on additives like the some of the major oil manufactures.

 

MSParks,
I see your point about the XL7500 oils. The 17% volitility wow that suprised me. It's a lot. I usually don't deal with oils of 17% volitility. Glad that's all cleared up.

Sincerely, Kevin

 

I talked a manger @ the Amsoil Warehouse, here in Arlington, Tx. He has a 87 Buick with
240,000 miles and it does not smoke at all. He uses Amsoil every sence he bought it new. Never had a problem with it. So every one has the experince with their kind of oils, but the bottom line is go with the one you trust or a great freinds recommend.
Good Luck

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Ruger's F-150

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E-MAIL ME:
mailto:ruger-dfw@yahoo.com
My Home Page or Buy Amsoil Online
http://www.bigfoot.com/~ruger-dfw

 

To any Ford Techs out there:

I read on www.alldata.com/consumer/TSB that there's a Ford Technical Service Bulletin No. 99-8-16 (issued May 1999) titled "Motor Oil - SAE 5W-30 Viscosity Grade Recommendation". My local dealer's service department would not give me a copy of this TSB when I asked.

Can someone please post the text here?

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Black 2000 SC short-box XLT. 4.2V-6, 5-speed, 3.55 limited-slip. CD, remote entry, factory side steps, FORD box liner.

My third F-series: '73 F-100 Custom 240-cube 3-speed, '98 F-150 XL-SC 4.2 5-speed, and '00 F-150 XLT-SC 4.2 5-speed. GREAT trucks!



[This message has been edited by Shifter (edited 07-24-2000).]

 

Technical Service Bulletin

MOTOR OIL - SAE VISCOSITY GRADE RECOMMENDATION - SERVICE TIP Article No.
99-8-16


FORD: 1989-93
1989-94
1989-97
1989-99

1994-97
1995-99
FESTIVA
TEMPO
PROBE, THUNDERBIRD
CROWN VICTORIA, MUSTANG, TAURUS, ESCORT
ASPIRE
CONTOUR

LINCOLN - MERCURY: 1989-92
1989-94
1989-97
1989-99

1991-94
1994-98
1995-99
1999 MARK VII
TOPAZ
COUGAR
CONTINENTAL, GRAND MARQUIS, TRACER, TOWN CAR, SABLE
CAPRI
MARK VIII
MYSTIQUE
COUGAR
LIGHT TRUCK: 1989-90
1989-96
1989-97
1989-99
1991-99
1993-99
1995-99
1997-99
1998-99
1999 BRONCO II
BRONCO
AEROSTAR, F-SUPER DUTY
ECONOLINE, F-150, F-250 LD, RANGER
EXPLORER
VILLAGER
WINDSTAR
EXPEDITION, MOUNTAINEER
NAVIGATOR
SUPER DUTY F-SERIES


ISSUE
Ford Motor Company now recommends SAE 5w - 30 viscosity grade for servicing any Ford gasoline powered vehicle regardless of model year.

ACTION

When servicing any Ford gasoline powered vehicle, use SAE 5w - 30 viscosity grade motor oil. Refer to following text for further details.

Both SAE 10w - 30 and SAE 5w - 30 viscosity grade motor oils have been recommended in the past depending on vehicle model and model year.

Test have proven SAE 5w - 30 viscosity grade motor oil provides the optimum protection and benefits for Ford gasoline engines. At both high and low ambient temperature conditions, SAE 5w - 30 provides the best overall protection. It allows faster starts in cold ambient temperature.
SAE 5w - 30 also provides approximately 1/2% increase in fuel economy over SAE 10w - 30.
SAE 5w - 30 viscosity grade motor oils certified for gasoline engines by the American Petroleum Institute (API) should be used for all service procedures requiring replacement of the motor oil.



OTHER APPLICABLE ARTICLES: NONE

WARRANTY STATUS: INFORMATION ONLY

OASIS CODES: 401000, 490000, 499000

 

View at http://www.chekchart.com/fd99816.htm

 

HERE'S THE BOTTOM LINE..........

DISCLAIMER: First, one has to be careful so as not to be sued or become liable for what is put down in these discussion forums. With that said, the following represents only opinions, and not stated fact.


FACT:
THERE IS NOT MUCH OF A DIFFERENCE BETWEEN 10W-30 and 5W-30.

Switching to 5W-30 will SLIGHTLY reduce friction in the engine for normal driving conditions. This reduction in friction means in layman's terms that the oil is "thinner." Thinner oil produces less resistance to flow, and therefore less friction. (Trust me on that one.)

What does this mean?

...If you haul a lot of weight, 10W-30 is SLIGHTLY better.

...If you drive like a grandma, 5W-30 is SLIGHTLY better.

This whole oil issue is about bearing clearances and the amount of oil that can fit in these clearances.

5W-30 can work it's way into a bearing clearance that is 5% smaller than can the 10W-30 oil. This is a fact. However, when dealing with typical engine clearances of 0.0005" - 0.015" this 5% difference cannot be measured on even the most accurate micrometer.

CONCLUSION: This discussion string is a bunch of BS. Stop harassing the Dealership guys and Jiffy-Lube people, they don't want to hear your whining. Follow Ford's warranty policy. End of story.

PS - I design a few things, one of them is...

 

The "Jiffy-lube people" don't want to hear whinning? The jerks just stick "bulk" 10w30 or that ancient 10w40 in everything and *try* to remember to tighten the drain plug. A friend of mine drove her '96 T-Bird to the Quicky Lube losers for about 3 years and asked them many times to "please put in 5w30 Motorcraft... or Valvoline," but they always tried to keep reminding her that 10w30 was just flat out neater oil. My friend was clever enough to save all of her invoices, some even contained her own little suggestion for the 5w30. All of her services were done every 3,000 miles, but at 90,000 miles... the oil pump, crankshaft and a large portion of her 4.6 cylinder heads were trash. Oh, and the pestered little know-it-alls at the Jiffy Lube had to fork over $6,000.00 big ones to pay for a new motor... KEWL!

------------------
Sailor Moon's Toy,
Tuxedo Mask

 

Thank you for posting that, retread. Great to have you a-board!

------------------
Black 2000 SC short-box XLT. 4.2V-6, 5-speed, 3.55 limited-slip. CD, remote entry, factory side steps, FORD box liner.

My third F-series: '73 F-100 Custom 240-cube 3-speed, '98 F-150 XL-SC 4.2 5-speed, and '00 F-150 XLT-SC 4.2 5-speed. GREAT trucks!

 

ddt101 - Its a nice thought that 5w-30 is better if you drive like a grandma, some of us also live in cold climates where the first number actually means something on the oils. Seeing you're from Michigan, I figured you should know that. Around here, 0w30 oils are gaining in popularity due to their cold start charecteristics. I'd rather protect my investment at -30 degrees F than destroy it with an oil that won't pump or flow as easily, even if it is a minor difference.

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1997 F150 XLT, Flareside , Moonlight Blue, 4x2, SC, Auto, 4.6L, 3:08, Cargo Cover by Century, Blue Oval reciever hitch plug, Driver Design bug deflector, 235/70/16 Firestone Wilderness AT's, sliding rear window, captain's chairs, Valvoline Durablend Oil, Purolator Pure One Oil Filter, and 107,000 miles and counting!

 

mssparks is exactly right.

5W30 at any temperature performs just like 10W30 that is heated by 5 degrees. This is true for any temperature.

5W30 has a lower viscosity and lubricates a little better in the winter; however, during the summer time when pulling heavy loads (i.e. - boat, concrete block, etc.) 10W30 will perform a little better since it can support higher bearing loads.

I will admit that 5W30 is slightly beneficial in the winter time, but I'd have to conclude: an engine that's sensitive to the difference between the two oils, is a poorly designed engine.

If a warranty was voided because a person used 10W30 instead of 5W30, someone got the royal (unlubricated) shaft.

That's it, I'm outta here!

 

My Mitchell Repair DVD, that I use at my shop, gives the same basic updated info from Ford, but (as stated before) this caught my eye...

"Test have proven SAE 5w - 30 viscosity grade motor oil provides the optimum protection and benefits for Ford gasoline engines."

Kewl!!!




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Sailor Moon's Toy,
Tuxedo Mask

 

Just my $.02 - I run 10w30. I pick kinda randomly on the shelf for normal or synthetic or blend, usually I get into a cycle, change the oil with conventional 10w30, then next time a blend of 10w30, then a full synthetic 10w30. I know, once you use synthetic you are supposed to stick with it as it swells seals, yaddee yaddee yaddee. My truck has 113k+ miles with lots of towing and hasnt leaked, except for the stupid rear window, maybe if I add 10w30 to the sealant...

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Roger Fastring
1997 F250LD S/C 4x4
5.4, Auto 113k+miles