I just finished putting in Mobil1 0W20 when I changed my oil. How often should I change it? Somone at work told me that synthetic oil can be changed every year but i think thats a load of BS that guy must be smoking some serios $h!t!!!!
Howoften should I change my synthetic oil?
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asthmaticZeater
Active Member
the synthetic oils do last longer than convential types. problem is the filters arent. filters have lived their life at 5k tops. depending on driving habits.
keep the same schedule
keep the same schedule
I have a 96 GT that I bought from new. I installed synthetics at 1000 miles and have changed it 1 time per year from then on. I do a filter change at 6 months and top off the oil. I use 1 quart of oil per year + the 1/2 qt to replace what I loose with the filter change.
From what I can see in my valve cover the inside of the engine is very clean with no nasty build up. I have been supercharged for the past 2.5 years.
The motor is just as quiet and fuel efficient as the day I got it.
Dwayne
From what I can see in my valve cover the inside of the engine is very clean with no nasty build up. I have been supercharged for the past 2.5 years.
The motor is just as quiet and fuel efficient as the day I got it.
Dwayne
Premium Speed
New Member
you are going to hear everything from 3k to 10k..........i change mine at 5k(ford says 5 also) in all my vehicles. i run mobil 1 synthetic and mobil 1 oil filter.
sapperstang78
Founding Member
I put in Amsoil full Syn 5W-30 at 3,000 miles in my GT. Amsoil has a recommended 25,000 mile or 1 year oil change interval, with a warranty. This can be viewed at their web site. http://www.amsoil.com/warranty.htm
I plan on changing my filter at 6 months, and changing my oil in one year.
I plan on changing my filter at 6 months, and changing my oil in one year.
I agree with these guys. I run Redline synthetic new filter and top off at 5k and full change at 10k. 80K miles and my engine is as clean as can be inside. If using a petroleum based oil you could half that easily and be ok. New filter and top off at 2500 and full change at 5k. The same oils sold in Europe suggest a 7500 mile interval (petoleum based that is).
stallion98gt
New Member
what type of oil filter r u guys using with ur synthetics ?...I plan on switching to mobil1 5w30..I'm looking now for the filter reference..thanks...
chevylover
Member
GOLDENPONY
Founding Member
5k is a good number, 3 if your picky. I go every 3 since we put so few miles on the car now and we use the Ford oil that's part synthetic.
I have read about others doing like 46gtsblown said and have had no problems
I have read about others doing like 46gtsblown said and have had no problems
I do mine every 5k....makes it easy to remember. 45,000..change oil. 50,000...change oil. And so on...
Oil change intervals depend upon driving habits/conditions. To be safe, 3000 miles will be fine for most any situations. 5000 is ok for normal driving habits/conditions. A factor is the filter you use. Be sure to use a quality filter and change the oil at regular intervals. Today's engines will last well over 100K IF we do the cheapest preventative maint there is.........an oil/filter change. The air filter and fuel filters are important too.
the car has always had synthetic and is changed about every 3-4k miles. maybe that's why it lasted so long 
. and i've heard bad things about Fram filters, so i use only motorcraft filters now.
. and i've heard bad things about Fram filters, so i use only motorcraft filters now.
Ruffrider
Founding Member
I do it every 3000 miles just because Im used to it. I can't drive my car over 3000miles on an oil changes... makes me feel bad for the car.
forpit2000gt
Founding Member
kirkyg
Founding Member
mobil 1 5w20 every 7500 with wix filter (best on the market and half the price of mobil one).
kirkyg
kirkyg
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