5 or 6qts in 4.6L?
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69mach1-409
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6, sometimes a tad more. ...you didn't check the level after the change? ..after you ran it for a few minutes? ..every week sense you bought it?
69mach1-409
Member
Could be, not 100% sure if 1qt low, in a 6qt system, would effect things that much.
I do know some cars (including the Mustang) can burn upto a quart every few thousand miles and still be considered 'normal' by manufacturers.
I do know some cars (including the Mustang) can burn upto a quart every few thousand miles and still be considered 'normal' by manufacturers.
Hmmm...well when I drain the oil into the bucket I use, I then put it in the 5qt container from the new oil and it always fills almost all the way to where the new oil level was at. I guess ill start using 6qts and see if there's any differnce. I change my oil every 5 or 6 weeks though so that is pretty often.
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69mach1-409
Member
Wow, every 5-6 weeks... and I thought I was bad changing it every 3 months! LOL
Usually when I change I'll fill it with 5.5 qts and then check the stick. I'll usually end up having to add another 1/2 qt to get her in the middle of the hash marks. Then I'll check it every week or so.. knock on wood, I've never had to add any.
Usually when I change I'll fill it with 5.5 qts and then check the stick. I'll usually end up having to add another 1/2 qt to get her in the middle of the hash marks. Then I'll check it every week or so.. knock on wood, I've never had to add any.
NastyStang113
New Member
It's 6 quarts. There's a big difference with this 2005+ 4.6L. It's got 3V vs 2V. Tons of things really but just follow the mfg's recommendation on oil capacity !! I don't think you messed anything up but you should just start doing it the right way now.
NastyStang113
New Member
Depending on the car. You dont want to overdue it. Most domestic cars should only go about 5k maybe 6. An audi or honda can easily go 8. I wouldnt recommend going over 5 though.
walter
Founding Member
6q every 5K miles of Mobil 1 for me and the car has run just fine so far.
That's what Ford says to do so I'm sticking to it.
That's what Ford says to do so I'm sticking to it.
TRIBALMAN23
New Member
- Feb 23, 2008
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I use Castrol 5w-20 syntec blend, and yes IT IS 6 qts.
by running this oil should I also run for 5,000 miles before I change it?
I have been changing it every 3,000-3,500.
By the way I also substitute I syntec blend quart for 1 quart LUCAS oil stabilizer.
A good recommendation for ANYONE.
by running this oil should I also run for 5,000 miles before I change it?
I have been changing it every 3,000-3,500.
By the way I also substitute I syntec blend quart for 1 quart LUCAS oil stabilizer.
A good recommendation for ANYONE.
NastyStang113
New Member
Ford recommends 5,000 miles with a semi synthetic blend. There are many car mfgs that recommend 10,000 miles with a full synthetic oil.
What is the difference between an Audi or Honda vs a 2005 Mustang in terms of oil usage? Technology has come a long way and today's cars generally have very similar tolerances. I've had Blackstone do oil analysis on a 2006 F150 and my 2008 Mustang. The oil was still good to go with 5000, than 7500, and than 10000 miles. In the end it comes down to the environment the car is subjected to that determines oil life.
What is the difference between an Audi or Honda vs a 2005 Mustang in terms of oil usage? Technology has come a long way and today's cars generally have very similar tolerances. I've had Blackstone do oil analysis on a 2006 F150 and my 2008 Mustang. The oil was still good to go with 5000, than 7500, and than 10000 miles. In the end it comes down to the environment the car is subjected to that determines oil life.
With Audi's record for maintence issues I think I'd be MORE likely to change the oil earlier.
The only true way to tell when you car needs a oil change is to take a sample and have it lab tested. Do this a few times and you will find the sweet spot for your car. Myself, I beat my car like a naughty puppy so I'm going to change my oil every ~3.5k miles ish. Sometimes sooner but never over 3.5k miles.
IMHO, even with the best synthetic there is always a chance something could go wrong and make the oil break down early (accessive rich condition for example) . I"m not going to take the chance on my car. Stick with the manufacters' reccomended spec's and you should have no worries.
The only true way to tell when you car needs a oil change is to take a sample and have it lab tested. Do this a few times and you will find the sweet spot for your car. Myself, I beat my car like a naughty puppy so I'm going to change my oil every ~3.5k miles ish. Sometimes sooner but never over 3.5k miles.
IMHO, even with the best synthetic there is always a chance something could go wrong and make the oil break down early (accessive rich condition for example) . I"m not going to take the chance on my car. Stick with the manufacters' reccomended spec's and you should have no worries.
69mach1-409
Member
I used Blackstone labs as well. The Mobile 1 0W-20 & the 5W-20 (I've had two tests done so far) were both perfectly fine when I changed them after 3k of use. Blackstone Labs said I could easily extend the changes to 5-7k without any issues, though I'm still changing at 3k or 6 months, which ever comes first.
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