- Thread starter L.B,
- Start date
Janicholson
Well-known Member
That is a great oil to put in a squirt oil can. It is not a great oil for engines. Modern oil in mutlti grade and especially 15-40 diesel grade for gas and diesel tractors is correct. Modern oils are 40% of why engines are lasting like they do today. (lead free gasoline is another 40% with 20 % metallurgy and tighter tolerances. Jim
Geo-TH,In
Well-known Member
I think some credit for longer engine life goes to electronic fuel management.
What happens when you start an old tractor or lawnmower and use the choke? Excess gas washes off the oil on cylinders and exhaust has white smoke, burning oil off cylinders.
Remember the accelerator pump in the old carburetors?
You stepped on the gas pedal and the pump squirted about 20 cc of raw gas in the engine.
Raw gas washes oil off the cylinder walls.
No I never used the old oil.
What happens when you start an old tractor or lawnmower and use the choke? Excess gas washes off the oil on cylinders and exhaust has white smoke, burning oil off cylinders.
Remember the accelerator pump in the old carburetors?
You stepped on the gas pedal and the pump squirted about 20 cc of raw gas in the engine.
Raw gas washes oil off the cylinder walls.
No I never used the old oil.
Moonlite37
Well-known Member
I agree
Moonlite37
Well-known Member
I agree, but 20 cc sounds like a lot
caterpillar guy
Well-known Member
You guys must have had a lot of gas use. Our H choke to start and then let run a minute with some choke and no white smoke and no washing the rings out if you know how to use a choke. It has to be set as it starts and adjusted as it warms up if you use it. I never saw white smoke from the use of a choke. Maybe if the head gasket blew between cylinders and water got into the cylinder. Or you were using a lot of oil and I mean a lot of it. Since we only have one gas tractor we don't have to fool with it much. It get used all winter cutting wood and doing other odd putter jobs.
caterpillar guy
Well-known Member
You guys must have had a lot of gas use. Our H choke to start and then let run a minute with some choke and no white smoke and no washing the rings out if you know how to use a choke. It has to be set as it starts and adjusted as it warms up if you use it. I never saw white smoke from the use of a choke. Maybe if the head gasket blew between cylinders and water got into the cylinder. Or you were using a lot of oil and I mean a lot of it. Since we only have one gas tractor we don't have to fool with it much. It get used all winter cutting wood and doing other odd putter jobs. As for the oil that horse get beat about once every couple of weeks. Just put a reputable brand of 15-40 or such diesel oil in and go.
DoubleO7
Well-known Member
- Location
- Crystal River, FL
Why is API SA oil still sold?
Because it is the cheapest type of motor oil sold.
And as long as there are enough stupid people that buy whatever is the cheapest, it will continue to be sold.
Per a major oil company ceo.
http://www.synlube.com/apisaoil.htm
This post was edited by DoubleO7 on 11/05/2022 at 05:13 pm.
Because it is the cheapest type of motor oil sold.
And as long as there are enough stupid people that buy whatever is the cheapest, it will continue to be sold.
Per a major oil company ceo.
http://www.synlube.com/apisaoil.htm
This post was edited by DoubleO7 on 11/05/2022 at 05:13 pm.
DoubleO7
Well-known Member
- Location
- Crystal River, FL
Congratulations, you found some 30w engine oil made for vintage engines.
Pre 1930, that leak a lot onto the ground. But that is a good thing because API SA engine oil is pure petroleum with zero additives.
Therefore an oil leak is biodegradable.
API SA contains none of these beneficial additives:
Janicholson
Well-known Member
2cc maybe, 20cc is more than 1/2 ounce. Jim
Geo-TH,In
Well-known Member
2 cc or 20 cc, the raw gas washed the oil off the cylinders..
I remember the big 4 bbl shot a lot of gas in a 440 engine..
All 4150 and 4160 style Holley carburetors use the standard 30cc pump reservoir. This capacity rating is not the amount of fuel delivered per full stroke of the accelerator pump system but instead is the volume after 10 strokes. This is the total reservoir capacity.
If I remember there was an adjustment to regulate how much the
pump delivered each pump. The more fuel the faster it would accelerate.
The best thing that happened was getting rid of the carb, engines lasts longer and better MPG.
I remember the big 4 bbl shot a lot of gas in a 440 engine..
All 4150 and 4160 style Holley carburetors use the standard 30cc pump reservoir. This capacity rating is not the amount of fuel delivered per full stroke of the accelerator pump system but instead is the volume after 10 strokes. This is the total reservoir capacity.
If I remember there was an adjustment to regulate how much the
pump delivered each pump. The more fuel the faster it would accelerate.
The best thing that happened was getting rid of the carb, engines lasts longer and better MPG.
Steve@Advance
Well-known Member
Never heard of it, but better check the engine manufacturer spec before using it.
SA oil hasn't been approved in a long, long time!
SA oil hasn't been approved in a long, long time!
Stephen Newell
Well-known Member
The oil would probably be worth something to a collector unopened. If you use it the oil would be worth a lot less.
Billy Shafer
Well-known Member
I worked until 2019. Never heard of it.
MarkB_MI
Well-known Member
- Location
- Motown USA
Purty can. Garbage oil.
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