Hello,
I was just wondering which oil I should use for my next oil change. I have about 90 miles left until the next change so I need to start shopping for oil. I was leaning towards Mobil 1 but is this the best brand for the price, or is there another synthetic brand out there that is comparable? what do y'all recommend? Also the service man told me to use 5w-30, but the oil cap on the engine says 5w-20. I know nothing about the differences in oil, so any help would be great.

Thanks in advance,
Darren

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2001 F150 4X4 Styleside supercab Lariat.
Red/Brown
17" Aluminum allow wheels
5.4 Liter V8
3.55 Limited Slip Differential
Captains Chairs
Sliding Rear Window
4x4 Offroad Group
Class III Towing Group

Modifications Done:

*Bugflector II
*Bed Rails
*Ravin Z-33 Exhaust
*Nerf Bars
*Spray In Liner
*K&N Generation II
*Manik Grill Guard With 4 KC Lights

Modifications To Come:

*My Stereo System that is collecting dust.
*Super Chip
*4" Lift
*Wheels & BIG Tires

 

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97 F150 Longbed V8 4.6
K&N air filter
K&N FIPK tech MOD & removed elbow silencer
Tires: Yokohama 265/75/16 Geolander AT+
Hyper white xenon bulbs
Bedliner and raven shell
6 disc cd changer
Oil & filter used

Gasoline used

My Truck

 

I would highly recommend Amsoil if you are considering synthetic oil. By far the best in the industry, been around since the 70's, first fully synthetic oil, tested at the highest standards, the list goes on and on. This stuff is great!! Yes I am a dealer and no I am not trying to sell you because the only reason I am a dealer is so I can get the better pricing for myself. Only downpoint to amsoil is its somewhat difficult to buy, very few auto stores carry it. For $20 you can buy a franchise membership and get it at wholesale prices. Check out their website, www.amsoil.com you wont be dissapointed!



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Jeff Randol
2000 Ford F150
Ext. Cab 4x4 Lariat
5.4 Auto, Off Road Package, Fully Loaded
& lovin it!!
MODS: KN Air Filter
Glasspack exhaust

Upcoming: AMSOIL Dual Oil filter system, FIPK, Fiberglass Topper, Spray-In Bedliner, Wood Dash Kit

 

https://www.f150online.com/f150board...ML/004235.html

AMSOIL is the way to go. If I can help, Please let me know, drop me a line. Thanks

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Ruger's F-150

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"With Amsoil You Can't Go Wrong"
E-MAIL ME:
pureamsoil@bigfoot.com
MY HOME PAGE:
PureAmsoil

 

Big4X4 -- Do not use synthetic until you have atleast 15,000 miles on the truck. I have 61,000 & use Castrol 10W-30 because this is Texas and it gets hot. Most quick lubes will recommend 10W-30 anyway. Castrol is a good, clean oil. Whatever you do -- stay away from Penzoil.

 

You make a decent point here Lariat. First the reason most lube shops recommend using 10-30 still is because thats what they carry most of. When you see a special on a oil change/filter/lube its almost indefinetely for 10-30. Thats the only reasoning for that, sell what you have is there motto! Now, using synthetic from the get-go is just fine. It is important to stay away from extended drain intervals during break in because it is inevitable there will be metal fragments thrown. I would recommend synthetic from the start though, the sooner you run the better stuff the longer you will benefit form it and save the hassle of needing an engine flush. Personally I would stay away from extended drain intervals until 10k miles, this is when the engine is broken in by FoMoCo standards. If you do want to run synthetic from the beginning it might be worth doing extended intervals and doing more oil anylisis. These will tell you exactly when you need to change your oil. Food For Thought!

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Jeff Randol
2000 Ford F150
Ext. Cab 4x4 Lariat
5.4 Auto, Off Road Package, Fully Loaded
& lovin it!!
MODS: KN Air Filter
Glasspack exhaust

Upcoming: AMSOIL Dual Oil filter system, FIPK, Fiberglass Topper, Spray-In Bedliner, Wood Dash Kit

 

Realized my last statement sounded contridictary. What I meant to say: On the other hand xtended interval changes might be warranted from the begining. Do alot of oil anylisis at first to see how the oil is standing up. When it goes bad, change it! Havent ever done it this way personally but it would be interesting to see how the final product turns out!

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Jeff Randol
2000 Ford F150
Ext. Cab 4x4 Lariat
5.4 Auto, Off Road Package, Fully Loaded
& lovin it!!
MODS: KN Air Filter
Glasspack exhaust

Upcoming: AMSOIL Dual Oil filter system, FIPK, Fiberglass Topper, Spray-In Bedliner, Wood Dash Kit

 

Not that I am trying to start an arguement but what is wrong with Penzoil. They even make what some consider a very good synthetic oil(one person I know claims it is better than Mobil 1 and higher too). Just wondering what you may have heard or experienced with Penzoil?

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97 Ford F150 XLT 4wd 4.6L auto, Std cab/Long bed 2 tone royal blue w tan bottom, PW,PL, and PM, captian chairs w/arm rests

Current Mods
K&N Filter
Xact Plug Wires- 8mm
Ventshade side window deflectors,read window deflector, bug guard, headlight and taillight blackouts
custom hand painted Ford emblems on door jamb guards and under hood on plastic intake cover
plastic mud guards
custom 4x4 off road graphics
Ford hitch cover and license plate frame
Custom carpet liner (protects factory carpet)
Slyvania Cool Blue Headlight and fog lamp bulbs
Pioneer 6 disc changer
Whistler 1650 radar detector
oh yeah, one custom dent and scratch from a deer the night before deer season

 

KYFordFreak:

I would like to know the source of whom said penzoil synthetic is better than mobil 1 synthetic. Also what are his credentials/edutcation and etc, to effectivly comment on that issue?

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97 F150 Longbed V8 4.6
K&N air filter
K&N FIPK tech MOD & removed elbow silencer
Tires: Yokohama 265/75/16 Geolander AT+
Hyper white xenon bulbs
Bedliner and raven shell
6 disc cd changer
Oil & filter used

Gasoline used

My Truck

 

Here


Just something to bite on

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Ruger's F-150

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"With Amsoil You Can't Go Wrong"
E-MAIL ME:
pureamsoil@bigfoot.com
MY HOME PAGE:
PureAmsoil

[This message has been edited by ruger-dfw (edited 04-29-2001).]

 

First of all, I don't know anything about the Penzoil Synthetic oil, but the regular oil is made from a waxy base that will build up inside your engine over time. All good mechanics I know also say to stay away from Penzoil.

 

Sludging is prevented by, not caused by, the use of paraffinic oils. This type of base oil has advantages over the other types of mineral oil available, which is why they are used. Through dewaxing in the refinery and the addition of pour point depressants during blending any harmful effects of wax are eliminated or neutralized.

 

Howdy!

Use Prolong!! They say you don't need oil to run an engine with it. LOL. Anyone wanna try it?

Have a pro-short day.

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My ride:

Basics:
- '99 XLT F-150

Under hood and back:
- Ram air (Don't ask me how )
- AiRaid intake
- Flowmaster DF 50 Series
- 24x3.5" Stainless steel slashed tips (Yes! Solid polished SS, no cheesy chrome-plated)
...

Outside:
- Precision polished billet grille and plate holders
- American Racing 17x8s polished Pythons (Flushed front AND back)
- Goodyear.. something tires (Expensive is all I know. LOL. No Firestone firecrackers for me either)
- Rhino liner
- Ford nerf bars
- Ford bed rails
...

Inside:
- My girlfriend!
...

Fun stuff:
- Dual sirens Black Widow alarm system/keyless entry (Enough decibels to go deaf in a garage )
- Custom driving lights (Just a cool blue)
- 2 High-Watt lights behind grille (For people who cut me off )
- Dual horns (For people who, again, cut me off)
- Dual wheel locks (So I won't be driving home on bricks!)
- Spare wheel lock (So I won't have to use a brick as a spare )
...

Best of all:
- Texas A&M University aTm front plate! Gig'em Aggies!!

Stephlan

 

Darren,

I do not want to sound ignorant but have you read the owners manual? It will recommend what viscosity oil to use. Your maintenance manual will recommend what interval to change it at according to your driving habbits. All other advice is free except that from ford. The price of it is included in the cost of your truck. When it comes time for warranty claims the written word prevails, that of the service man can change. You can change your oil sooner but never later than what the manual recommends.
As for synthetic vs conventional oils your truck will run fine on either oil. It may run better on synthetic and provide marginally better performance and milage but the cost is higher. Only you can decide if you want to pay more for that extra. All oils you decide to use must meet Fords minimum requirements, and they do, so take your pick. Personally I run synthetic oils in both differentials, tranny and T-case. I use conventional oil in the engine except when I go off road. Then I switch to synthetic till my next oil change.

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00 F-150 XLT SC Flairside 4x4 4.6 w/5spd 3.55LSD
Warn XD9000i, skid plates, Draw tite class III,
Rancho RSX Reflex shocks, MAC 8.8 Axle Girdle
BFG 285/75 R16 MTs,
Borla Cat Back, Hedman Headers,
Custom air intake system with modified
air box, Ported Throttle body,
Shortened MAF sensor tower,
K&N air filter,
Superchips

 

I have a 98 F150 with a 5.4 with over 155,000 miles on it.I use moible 1 5/30 6qt.and 8oz. dynosurge and a moible 1 filter every 7,500 to 10,000 miles. It's still strong www.dynosurge.com