After a great deal of research, I have decided to go synthetic. Sounds like AMSOIL or Mobil 1 is my best bet and unless anyone can suggest otherwise, a Baldwin filter. The Baldwins are harder to find but it sounds like you can expect about the same performance as the $10 dollar filters for almost half the price. I found a local supplier that has the B329 for about $5.50. I intend to go 6 months between oil changes. If the Baldwin filter shouldn't go that long I may just stick with the Motorcraft filter and replace it every 3 months. Looks like AMSOIL has a specific blend (XL) formulated for 7500miles/6 month change intervals. Anyone had any experience with it? I'm looking for the best combination of price and performance. I want this engine to last a long time but I'm not made of money.
I run the Motorcraft Full synthetic oil and Motorcraft filter in my car, and synthetic or not I wont ever change it at 7000 miles. Also the owners manual recommends the blended oil in the US and full synthetic for Canada. Dont know why.
I'd stick with what's in the car from the factory, which is Motorcraft. I'm pretty sure that's non-synthetic too. Now if you're gonna crank out more power than stock, then a higher performance oil/filter would be called for.
Will the Amsoil cost more in a years time to use than Mobil 1? How many miles do you plan on going? How many miles you got now? If it was mine I would wait till 1000 miles then change it with the recommended Motorcraft stuff. Then after that run Mobil 1 oil and filter. How much is Amsoil anyway, I hear its costy. BTW the wheels indicate its a v6, right?
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I'd stick with what's in the car from the factory, which is Motorcraft. I'm pretty sure that's non-synthetic too. Now if you're gonna crank out more power than stock, then a higher performance oil/filter would be called for.
BTW...V6 or V8?
Sorry, V6. BTW just drove four hours on the highway averaging about 75 MPH and got 26 MPG. I'm pretty happy with that.
Will the Amsoil cost more in a years time to use than Mobil 1? How many miles do you plan on going? How many miles you got now? If it was mine I would wait till 1000 miles then change it with the recommended Motorcraft stuff. Then after that run Mobil 1 oil and filter. How much is Amsoil anyway, I hear its costy. BTW the wheels indicate its a v6, right?
Amsoil is $5.95/qt full synthetic, $5.20/qt for the XL. I've seen Mobil 1 for about $5 or $6/qt, cheaper sometimes with specials and coupons. The plan is to go twice a year or every 7500 miles. I'm at about 2300 miles now. Did an early change at 1200 miles with normal oil. Plan to go synth at 5000.
AMSOIL is the best choice, by far! I work for Conoco/Phillips. We make the motorcraft oil for Ford Motor Co. I have also been selling Amsoil for the past 10 years, and have done tons of research on motor oils. The idea that you have to wait to change to synthetic oil is now an old wives tale, unless you are talking about diesel engines, which do need break-in time for the rings to seat to the cylinder walls. With the amount of run time on the new cars (with gas engines) at the factory, to loading and shipping and delivery to the dealership, there is plenty of time on the engine to switch over.There are way too many advantages to running a pure synthetic in today's engines. That is why by the year 2008, every car manufactured in the U.S. will come from the factory with either synthetic or semi-sythetic oil in it. The major advantage using a product such as Amsoil is that it keeps the oil temps cooler in the heat, and pumps much easier in the cold. You will get increased fuel mileage, power, and much less internal wear.
Now, why Amsoil vs. Mobil? This is a discussion that has gone on and probably will forever, much like Ford vs. GM. If there are 2 tops dogs in sythetic oils, your looking at them. Amsoil in my professional opinion is the best. They started it in 1972, Mobil followed them in 1974, and the rest of the companies followed along later. Amsoil has marketed their product for extended drains of up to 25,000 miles or one year since 1972. Mobil did the same with Mobil 1 in 1974, however, they found it was hurting thier sales so they quit marketing it that way, and the biggest loser was the consumer. They have been screwing the public in the name of $$ for 30 years! Now all of the sudden, they have come out with a whole new line of oils for extended drains again! Soon you will see their 5000 mile interval, 7500 mile interval, and 15000 mile interval oils hit the market. These will all be campaigned at the Daytona 500 this weekend.
I could go on and on about this, but I will get back to the original question... what oil to use? Use Amsoil, and dont buy the XL7500, for 50-60 cents more per quart, even if you dont change it at the 25000 mile interval, it is worth it. The difference is in the base oil they use. Dont ever buy a synthetic unless it is a PAO base, or you arent getting a synthetic, technically speaking.
If anyone is interested in using AMSOIL in your new mustang, I have put together special pricing for all the fluids you need. If you are interested, email me at K_Swensson@Yahoo.com
There is absolutely nothing wrong with the XL7500. I sell alot of it to quick lubes. One of the reasons Amsoil created the XL series was for the quick lube market. My point is that for an extra 50-60 cents per quart, I would go with the regular full synthetic Amsoil... too many benefits. If you are scared of extending your drains, or want to save $4.00, use the XL. Dont be afraid to extend your drains. I have personally gone beyond their recommeded 25000 miles (with oil analysis), and the oil tests come back with "no service needed". Most people arent comfortable going that far with it, so I tell them to go 12000 miles, if they are using the Amsoil filter, it is time to change it, you are pulling the filter, so dump the oil too. The oil has already paid for itself, so you arent losing anything. Extend your drain period. Amsoil's warranty will stand behind it!
First I will be changing my oil at 4000miles, second the Motorcraft oil is $2.50 qt (full Synthetic) were I purchase it. Also if I am running what Ford recommends and if I have a engine failure they can analize the oil and see it is motorcraft. I used to run a shop in Plymouth Mi, and we would have this guy come in trying to sell us amsoil, telling me how his foriegn crap has 196,000 on it. I showed him my dads car that I just happen to have in for a oil change, I showed him the odometer, 400.000 on it, just regular 10w-30 oil every 3000 miles, the engine had a o-ring on the distributor plug replaced at about 300,000 nothing else.The sales guy didnt believe me, I told him NO THANKS.
My dad just sold the car this last summer and it had 480,000 on it, and the guy that bought it still drivein it. My dad has had 3 cars hit 400,000 miles, and 2 of them were with teenage kids behind the wheel. One was a Oldsmobile, Pontiac, and a Buick. all just regular oil. Me personaly, I have had 3 cars hit 200,000 just normal oil. I have seen semi's go long periods between changes, but they hold 30 to 50 qts, and the oil filter is the size of a 2 liter. Buy what you want, and change it when you want. To me oil changes are cheaper then a engine.
"First I will be changing my oil at 4000miles, second the Motorcraft oil is $2.50 qt (full Synthetic) were I purchase it."
First of all, anyone who thinks he or she is buying full synthetic oil for $2.50 a quart is uneducated about motor oil, which is most people, that is why we are here talking about it. As I stated in one of my previous posts, I work for the company who manufactures Motorcraft oil. There isnt one single drop of "synthetic" in their oil, and besides, I wouldnt run 5w20 in my bicycle!
Why can Motorcraft or any other oil call itself "synthetic", when it really isnt? Because the government allows them to do so, as long as the oil is put through a process called "hydrocracking", which simply stated is a another filtration process. More of the contaminants are cleaned out of the base oil. This is much cheaper than using an ester or PAO base oil, and they can call it synthetic all day long. You think you are getting a superior oil, and the oil company is making lots of money! Now, that being said, the oil must meet certain requirements to perform, and they usually do. Motorcraft performs just fine for what Ford Motor Company wants. The 5w20 is manufactured for one reason... mileage, and CAFE requirement by the government. There is nothing about the design of thier engines that requires it to run on 5w20. I have read posts from people complaining of valve train noise in the 05' GT's, and I can speculate that the 5w20 has something to do with it. You are NOT required to run 5w20 in your engine, you cannot void a warranty by using a different weight or brand, and they cannot tell you when to change your oil... it is ILLEGAL for manufacturers to do so! If a dealer tells you WHAT, HOW and WHEN to change your fluids, they must give it to you FREE of charge... that is what the law says!
I used to be a huge fan of Valvoline, my dad used it for ever, until now. He ran vehicles hundreds of thousands of miles changing it every 3000 miles. Any oil that meets the requirements, if you change it regularly, will usually allow the motor to live a very long time. Now, for a comparison between AMSOIL and Motorcraft change intervals, as the previous writer expressed. We will use 200,000 miles as an example.
Motorcraft at $2.50/quart x 7 quarts= $17.50
Motorcraft Filter for 05 Mustang GT= $ 6.50
Oil changed every 4000 miles= 50 oil changes x $24.00= $1200.00
AMSOIL at $4.45/quart x 7 quarts= $31.15
AMSOIL Filter for 05 Mustang GT= $ 8.25
AMSOIL recommends 24000 miles or 1 year. I am going to go conservative and change it at 12000 miles.(Not voiding my warranty, and backed by Amsoil's warranty against any mechanical damage due to lubrication).
Oil changed every 12000 miles= 17 oil changes x 39.40= $669.00
ALMOST HALF THE COST! Plus you are generating 87 gallons of waste oil with your Motorcraft, with the AMSOIL you are only generating 30 gallons of waste oil.
Do what you want to, but to me it seems very simple. AMSOIL will save you money, give you better performance, mileage, and will give your engine much better protection.
My example above was conservative using 12000 mile intervals. We have fuel transport trucks at work that we are running on AMSOIL. We have been consistently doing 70,000 mile oil changes on them, with oil analysis, and at 70,000 the reports say we dont need to make a change yet, but the oil has already paid for itself many times over, so they have decided to make that their change interval.
New baby 2006 Mustang GT Premium, Black w/ red upgrade int., IUP, Flowmaster Axle Back Kit, shorty antenna, XCAL2, Alpine 9855 HU, (btw a synonym of premium is "First Class")
My recommedation to anyone who has a new 05 Mustang would be to use the AMSOIL 0w30, whether you are in Texas or Minnesota. It is a severe service oil, and AMSOIL actually recommends 35000 miles or 1 year with this oil.
Oil & Filter 
