Oil Pan Capacity

The Dan · Dec 21, 2004

I was wondering as I was changing my oil on Sunday.....is it normal for a stock pan to only hold 4 qts? I thought it was supposed to be at least 5? I change the oil about every 6 weeks wheather it needs it or not and use Mobile 1 with a K&N filter. The engine runs fine, even after the recent mods, but I was just wondering if this was normal for a stock pan. I might add that 4 qts. fills the engine to the max line on the dip stick, it is FULL.

TOM B · Dec 21, 2004

No it is not full. it should hold 5 plus the filter, check the pan for dents or the dipstick is wrong.

rbohm · Dec 21, 2004

the pan holds four quarts of oil. the fifth quart is for the filter. the dipstick is right.

HistoricMustang · Dec 22, 2004

Yes, forget the pan. Fill it to the correct point on the dipstick.

With the Cobra pan and oil cooler (with extra hose) I can get almost 8 quarts in mine!!

HistoricMustang
www.historicmustang.com

Hack · Dec 22, 2004

rbohm said:
the pan holds four quarts of oil. the fifth quart is for the filter. the dipstick is right.

Yeah, what rbohm said. The dipstick will read full with 4 quarts until you run the engine and fill the filter.

Anyone else here fill the filter prior to installing it? I noticed that the oil pressure comes up quite a bit faster on initial start up that way.

2nd Mustang · Dec 22, 2004

Hack said:
Anyone else here fill the filter prior to installing it? I noticed that the oil pressure comes up quite a bit faster on initial start up that way.

Yes, I try to put some oil in the filter, though it's tough with the side mounting position. I also disconnect the coil wire and crank the engine for a few seconds to try and get some oil to flow.

The Dan · Dec 22, 2004

I am getting full with 4 qts including the filter. 4qts maxs out the dip stick level after it has been ran. Wrong dip stick? What is a way to know how full it is if I doubt my dip stick?

D.Hearne · Dec 23, 2004

4 qt's + 1 for the filter, unless you've got a pickup truck pan, then it's 6+1.

HistoricMustang · Dec 23, 2004

Yes, always put oil in the filter before installing. Also, put a little dab of oil on the rubber seal. The seal can sometimes stick to the block when removing the filter and if you do not catch it (many do not), you will mount another filter with the old seal still in place. A small amount of oil on the rubber ring will prevent this from happening.

HistoricMustang
www.historicmustang.com

krash kendall · Dec 23, 2004

D.Hearne said:
4 qt's + 1 for the filter, unless you've got a pickup truck pan, then it's 6+1.

Truck pan rubs on crossmember of '65 '66. Been down that road before. I'm sure there are exceptions though.

67coupe351w · Dec 23, 2004

HistoricMustang said:
Yes, always put oil in the filter before installing. Also, put a little dab of oil on the rubber seal. The seal can sometimes stick to the block when removing the filter and if you do not catch it (many do not), you will mount another filter with the old seal still in place. A small amount of oil on the rubber ring will prevent this from happening.

HistoricMustang
www.historicmustang.com

That reminds me of a horrible experiance, 5.5 quarts all over the passenger side caliper and rotor of my sister's '02 Honda. The first thing to give me any indication that somehthign was wrong on the initial startup was a loud pffffffft sound (which was the last drops of oil being pumped out of the engine).

Man that was a massive mess...Moral of the story is check to double check that the o-ring came out even if the filter is in a hard to reach location

D.Hearne · Dec 23, 2004

I got news for you Historic, sometimes the gasket sticks even after lubing it before screwing it on. I always lube the gasket too, but occasionally it still sticks. I always look at the old one after removing it to check that the gasket came out with it.

Hack · Dec 24, 2004

D.Hearne said:
I got news for you Historic, sometimes the gasket sticks even after lubing it before screwing it on. I always lube the gasket too, but occasionally it still sticks. I always look at the old one after removing it to check that the gasket came out with it.

Ever since I got my I6 rebuilt about 7 years ago, the o-ring always sticks. I've used oil, and even white lithium grease on the new o-ring. I think the rebuilder must have machined the filter mounting surface and left a rough finish. I've never had this happen on any other car, but it happens every time on my Mustang. I did lose several quarts of oil once due to this, and now I'm very careful every time.

HistoricMustang · Dec 24, 2004

Perhaps the filter is being overtightened?

HistoricMustang
www.historicmustang.com

Hack · Dec 24, 2004

HistoricMustang said:
Perhaps the filter is being overtightened?

HistoricMustang
www.historicmustang.com

Could be. I never use a filter wrench though. I always hand tighten, and I also remove it without a wrench. I never have a problem with leaks, so I know it's tight enough. I don't think I quite get the recommended number of turns on it, though.

D.Hearne · Dec 24, 2004

HistoricMustang said:
Perhaps the filter is being overtightened?

HistoricMustang
www.historicmustang.com

Better over tight than over loose I always say, specially when it comes to oil filters

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