OIL Consumption Log Out | Topics | Search
Moderators | Edit Profile

FerrariChat.com » Technical Q&A Archives » Archive through May 10, 2002 » OIL Consumption « Previous Next »

Author Message
Peter Connolly (Mondial_32_aus)
Junior Member
Username: Mondial_32_aus

Post Number: 63
Registered: 8-2001
Posted on Tuesday, April 23, 2002 - 8:03 am:   

My 87 Mondial 3.2 has run on Agip semi & Shell Synth, personally I cant tell the diff. My only experiences were difference in oil consumption, with the semi my oil usage was 1 litre (approx 1 quart) per ~ 1200klm (approx 750 miles).

Concerned with this consumption I had Ferrari Sydney completely drain my oil and add exactly 8 litres and measure the levels cold and warm, they used Shell Synthetic and after 1000 klm and 4 mths they only had to add 0.3 litres to bring it back up to the same level.

PC
magoo (Magoo)
Intermediate Member
Username: Magoo

Post Number: 2456
Registered: 2-2001
Posted on Wednesday, April 17, 2002 - 12:26 am:   

When it comes to oil consumption who cares as long as it is not excessive and shows out the exhaust pipe. Add a quart once in a while.
Peter Connolly (Mondial_32_aus)
Junior Member
Username: Mondial_32_aus

Post Number: 58
Registered: 8-2001
Posted on Saturday, April 13, 2002 - 1:14 pm:   

Mmmmm, 8 x .05 Litres = .4 Litre, you reckon they'd be so flippant as to specify 8 litres/8Quarts as the same thing? Yeah probably!
magoo (Magoo)
Intermediate Member
Username: Magoo

Post Number: 2375
Registered: 2-2001
Posted on Friday, April 12, 2002 - 7:55 pm:   

My USA manual gives both.
BretM (Bretm)
Intermediate Member
Username: Bretm

Post Number: 2268
Registered: 2-2001
Posted on Friday, April 12, 2002 - 10:17 am:   

1 Quart = .95 Liter, pretty close to equal, but if the oil system calls for say 8 liters and you put in 8 quarts you would be down almost half a quart from what they want. I think all the US manuals are in quarts though.
magoo (Magoo)
Intermediate Member
Username: Magoo

Post Number: 2369
Registered: 2-2001
Posted on Friday, April 12, 2002 - 8:46 am:   

Peter I found mine under lubricants and liquids section in the manual at the top of the page.
TomD (Tifosi)
Member
Username: Tifosi

Post Number: 518
Registered: 9-2001
Posted on Friday, April 12, 2002 - 6:51 am:   

Peter

My 3.2 mondial manual does have this stated, I will let you know what section next time it is in front of me
Peter Connolly (Mondial_32_aus)
Junior Member
Username: Mondial_32_aus

Post Number: 57
Registered: 8-2001
Posted on Friday, April 12, 2002 - 4:24 am:   

No my Mondial 3.2 manual does not state this.

I think a quart is equivalent to a litre? So that would be saying about 1 litre for every 1200 to 1400 klm?

PC

magoo (Magoo)
Intermediate Member
Username: Magoo

Post Number: 2358
Registered: 2-2001
Posted on Thursday, April 11, 2002 - 9:01 pm:   

Peter, does your owners manual tell you? I have a 308 and my owners manual says about 1qt in 750 to 900 miles.
Peter Connolly (Mondial_32_aus)
Junior Member
Username: Mondial_32_aus

Post Number: 56
Registered: 8-2001
Posted on Thursday, April 11, 2002 - 6:52 pm:   

How much oil do 328's go thru, what is normal?

PC
Kelly J. Vince (Tifosi1)
Junior Member
Username: Tifosi1

Post Number: 158
Registered: 2-2002
Posted on Monday, March 18, 2002 - 8:33 pm:   

Hey guys,
I really appreciate all of your opinions.

This weekend I changed my oil and degreased the motor. Boy it looks great. I put in 9.5 quarts plus a new baldwin filter. I ran the car for 80 miles.
After two days of sitting the oil lvel is right above the M of max on the stick.

Th reason I am happy now, is that I hardly ever get to drive the car during the week. So, every weekend I come out and the first thing I do is check the oil level.

I now know that after a week of sitting I have a reference of where the oil level should be using a baldwin filter and sitting for a week.

If it is below that mark or as the manual says the high mark I will top off before I drive.

Thanks
kelly
magoo (Magoo)
Intermediate Member
Username: Magoo

Post Number: 2135
Registered: 2-2001
Posted on Friday, March 15, 2002 - 12:03 pm:   

Jeff, I see it the same way.
Jeff 77 GTB (Jbk)
Junior Member
Username: Jbk

Post Number: 65
Registered: 4-2001
Posted on Friday, March 15, 2002 - 6:55 am:   

Magoo, very clear description. I agree with what you have said. My experience also shows the level quickly rises after shutting down so I try to check it as quickly as I can after turning it off. I want to keep the level in the crankcase just below full under operating conditions to avoid starving the pump when cornering.
magoo (Magoo)
Intermediate Member
Username: Magoo

Post Number: 2133
Registered: 2-2001
Posted on Thursday, March 14, 2002 - 10:45 pm:   

Look at it this way. Ferrari tells you how much oil to put in the system. That means it should cover or lube, the entire system including oil filter, oil cooler, lines, etc. So the oil has to drain out of the oil cooler back into the crankcase after you shut the engine down, because if it didn't you would not get the old oil out of the cooler when you drained the oil. So that amount is always in circulation until you stop the engine, then it drains back into the crankcase. That's why you should check the oil soon after you stop so the oil in the cooler doesn't get a chance to drain back, putting the reading much higher than it should be. Also if you adjust the oil reading to the cold reading, or longer period after engine has stopped, you will be starving the engine. Use the amount of oil your manual calls for and check within a few mins. after shutting the engine down, before it gets a chance to drain out of the system back into the crankcase.
magoo (Magoo)
Intermediate Member
Username: Magoo

Post Number: 2132
Registered: 2-2001
Posted on Thursday, March 14, 2002 - 9:31 pm:   

Well with all this discussion, I can only tell you what my manual says for my 79 308 GTS. It calls for 8 1/4 qts with filter on a change. When I check it,within 2 mins. after stopping which my manual suggests, after running it about 15 mins, I get a reading just under max. If I wait 1/2 hr. and check it it is way over the max. mark. Now that extra oil drained from somewhere. Granted the filter should hold capacity, some do some don't, but it isn't that much to drain out. But the bulk of the oil drains out of the oil cooler and lines. So the sooner you check it after stopping, reaching operating temp., the truer the reading. My suggestion use the amount of oil your manual says, then check it as soon as possible after stopping and after reaching normal operating temps. This will give you a true reading. If it burns 1 Qt. every 400 miles what do you care. Like how much is a qt. of oil?
pete gorrell (Rufus)
New member
Username: Rufus

Post Number: 2
Registered: 2-2002
Posted on Thursday, March 14, 2002 - 7:58 pm:   

The whole point of the special filters we use is that they don't drain when the engine is stopped - (so that they don't have to fill on start and starve the bearings). So waiting for the oil to 'drain down' is a factoid. A minute maybe, more a waste of time.
Steve (Steve)
Junior Member
Username: Steve

Post Number: 117
Registered: 2-2001
Posted on Thursday, March 14, 2002 - 7:57 pm:   

I've been watching this and I can't believe that the 2v inj. cars burn so much oil. I have a 2v carb. and other then some small leaks it doesn't burn more then 1/2 a quart in 3-4K miles.I also use the book capacity which is 9 liters with filter.I fill it up and measure it cold then start it up and run it till it gets hot. Shut it off wait 30 sec. and measure then wait a 1/2 hour and measure it again. You now have 3 points as reference. Go from there and just check it any way to see if you're down any.
Richelson (Richelson)
Member
Username: Richelson

Post Number: 602
Registered: 12-2001
Posted on Thursday, March 14, 2002 - 6:14 pm:   

It can be a few things. They had a problem with cracking around the piston rings and the valve seals can leak. I am not sure of the exact diffs. between the 2V inj. and the 2V carb seals and rings to know why the carb cars didn't have this problem. Hope this helps.
Donny Bridges (Wildcatfans)
New member
Username: Wildcatfans

Post Number: 35
Registered: 9-2001
Posted on Thursday, March 14, 2002 - 6:03 pm:   

Why do the 2 valve 308s burn more oil than the 4 valve versions? Is it the cylinder liners?
Richelson (Richelson)
Member
Username: Richelson

Post Number: 596
Registered: 12-2001
Posted on Thursday, March 14, 2002 - 8:44 am:   

I normally burn one quart per 1000 miles. 308s use 9 quarts per manual. I have seen many owners use 8 though. The oil checking is a contraversial issue. Many say check it within 5 minutes of stopping and other say check it when the car is flat anytime but best when oil has drained out of the filter, cooler, etc. The 308 will have a higher reading when cold or when all of the oil has drained out of the cooler and filter etc. I would think waiting 15 mins. would let the oil drain out of the filter etc. so you might as well check it when cold or after sitting for an hour etc.
magoo (Magoo)
Intermediate Member
Username: Magoo

Post Number: 2127
Registered: 2-2001
Posted on Wednesday, March 13, 2002 - 10:18 pm:   

My manual for my 79 308 says it will use 1qt. in 600 miles. Forget it your car is normal. Also check the oil within a couple of minutes after stopping the engine after reaching normal operating temps. The oil level should read a little below max. not over. This insures you that the correct amount of oil is still in the system and has not had a chance to drain out out of the oil cooler giving you a false reading.
C. Smith (Italianauto)
Junior Member
Username: Italianauto

Post Number: 58
Registered: 10-2001
Posted on Wednesday, March 13, 2002 - 9:53 pm:   

308 2 valve injected cars drink oil like a 1955 Evenrude outboard. If you are getting 4 to 500 miles on a quart, that is just fine....many Alfa's I deal with use just as much and run very strong.....just keep 2 or 3 quarts in the trunk!!!....
Kelly J. Vince (Tifosi1)
Junior Member
Username: Tifosi1

Post Number: 148
Registered: 2-2002
Posted on Wednesday, March 13, 2002 - 8:56 pm:   

1980 308 GTSI

Sorry to start this over agian. But, I'm getting ready to change my oil and I'm trying to determine how much oil I'm burning.

When I check my oil after the car is shut off and still warm, there is hardly any oil on the dip stick. But if I let it sit for a couple of days, the oil will be 1/4 to 1/2 inch above the full mark.

I read my manual again and this is what it said to do.
Before starting check the oil, if it below half way top off. Also to check the oil when the car is first turned off to get a readin before the oil runs out of the oil cooler
So, even the manual has two rules that don't make sence.

Also, I heard some of you say you put 8.5 qts in your car. My manual calls for 2.34 gallons. I caluclate that to be almost 9 quarts plus .14 gallons.

What I'm going to do is pour in the new oil measured to spec and let it sit, then take a reading. Then I will always know what a sitting oil will be on the dipp stick.

One more point, my freinds QV calls for the car to sit 10 minutes before checking the oil. A mechanic I talked to told me to also let my car sit. He said it is the only way to get a good reading.

So, after throwing up all over the post , WHAT DO YAWL think is RIGHT???
Who's right on when to check the oil level and how much oil do I really need to put in.

The BAD news is, it looks like it burning a quarter every 400 to 500 miles. I'm tring not to do a rebuild for a couple more years if I can.

Thanks for the help
Kelly

Add Your Message Here
Posting is currently disabled in this topic. Contact your discussion moderator for more information.

Topics | Last Day | Last Week | Tree View | Search | Help/Instructions | Program Credits Administration