How much oil? 5 W 50 synthetic?
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Elder User
Joined: Aug 2003
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From: Québec
How much oil? 5 W 50 synthetic?
Hi, two questions, first, my oil stick just broke off and I repaired it with special metal putty, it hold pretty good. Now the stick is a bit shorter and I am not sure how much oil I need in it. I went to Cosco and the guy poored in 12 liter, a little over 3 US gallons. I removed two litter and it looks good now. I think I use to put in about 2 gallons plus one or 2 liter. How much do you guys put in?
Next question, I put in 5 w 50, synthetic castrol, I think it will better for the winter. My oil pressure is a bit higher now. Any idea why?
Thanks,
Next question, I put in 5 w 50, synthetic castrol, I think it will better for the winter. My oil pressure is a bit higher now. Any idea why?
Thanks,
Post Fiend
Joined: Nov 2003
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From: Nutter Fort, WV
10 quarts or 9.46 liters is right unless you are running a Power Stroke or other large filter, if so add one quart or .946 liters.
With winter just around the corner for you in Quebec you are fine with the 5W 50 synthetic. For the temps you probably have there in the winter, 5W 30 may be a better option.
Synthetic oil does not have near the thermal breakdown dino oil does. So the oil pressure will be somewhat higher.
With winter just around the corner for you in Quebec you are fine with the 5W 50 synthetic. For the temps you probably have there in the winter, 5W 30 may be a better option.
Synthetic oil does not have near the thermal breakdown dino oil does. So the oil pressure will be somewhat higher.
Post Fiend
Joined: Nov 2003
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From: Nutter Fort, WV
smiller4597, have you ever tried full synthetic oil?
5W 30 Mobil Delvac 1 synthetic oil gives me about 7 PSI more oil pressure, makes the engine quieter and builds oil pressure twice as fast as Mobil Delvac 1300 series 15W 40 dino oil does in my 7.3.
Oil pressure drop is not near as much with synthetic at high temp as it is with dino oil.
And when it is 20 below and you crank it off with only glow plugs for heat, wait I forgot the dino oil probably won't let the engine crank fast enough to fire it will be so thick at 20 below with no block heater.
5W 30 Mobil Delvac 1 synthetic oil gives me about 7 PSI more oil pressure, makes the engine quieter and builds oil pressure twice as fast as Mobil Delvac 1300 series 15W 40 dino oil does in my 7.3.
Oil pressure drop is not near as much with synthetic at high temp as it is with dino oil.
And when it is 20 below and you crank it off with only glow plugs for heat, wait I forgot the dino oil probably won't let the engine crank fast enough to fire it will be so thick at 20 below with no block heater.
Logistics Pro
Joined: Apr 2005
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15-40 is 15w when it's cold, that's still pretty darn thin. Remember the old rule, 30w in the winter and 40w in the summer? IMO 15 is pushing it, I wouldn't dare go thinner myself.
But then, everyone has their own little boat to float, so whatever makes ya happy.
But then, everyone has their own little boat to float, so whatever makes ya happy.
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Post Fiend
Joined: Nov 2003
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From: Nutter Fort, WV
Yes, but you also have to remember different climates. I have 2" of snow on my deck right now and it is coming down hard as I type. So much for fall I guess.
TV is blasting out winter storm warnings now.....wait this is still October ...or did I miss something?
TV is blasting out winter storm warnings now.....wait this is still October ...or did I miss something?
Last edited by Dave Sponaugle; Oct 24, 2005 at 11:22 PM.
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I have never tried synthetic oil in anything. I would be afraid to in my truck after that one small bottle of 5w 30. The truck did not want to run at all. I changed the oil right away and she purred like a kitten
Fleet Owner
Joined: Jan 2004
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From: Brentwood,CA
Originally Posted by Chevy_Eater
15-40 is 15w when it's cold, that's still pretty darn thin. Remember the old rule, 30w in the winter and 40w in the summer? IMO 15 is pushing it, I wouldn't dare go thinner myself.
But then, everyone has their own little boat to float, so whatever makes ya happy.
But then, everyone has their own little boat to float, so whatever makes ya happy.
also to the person who used 15w50 in there engine why did you do that????????????????? the 15w50 is not a diesel oil it is for gasoline engines only. so enjoy some nice damage and foam.
also delvac is not made in 5w30 so i am not sure what the above poster really put in there.
Logistics Pro
Joined: Apr 2005
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Originally Posted by ford390gashog
i think your logic is flawed. no modern engine should use straight weight oil. it should be multi visc. just because it says 15w40 does not mean it is 15w when cold. it just means it has the cold flow abilities of a 15w.
also to the person who used 15w50 in there engine why did you do that????????????????? the 15w50 is not a diesel oil it is for gasoline engines only. so enjoy some nice damage and foam.
also delvac is not made in 5w30 so i am not sure what the above poster really put in there.
also to the person who used 15w50 in there engine why did you do that????????????????? the 15w50 is not a diesel oil it is for gasoline engines only. so enjoy some nice damage and foam.
also delvac is not made in 5w30 so i am not sure what the above poster really put in there.
Well, for starters an IDI diesel is hardly a modern engine.
With multi-viscosity oils the lower number is what the oil actually is. 10w30 is actually 10w with a chemical package that makes the oil perform like 30w when the engine temperature rises. When these oils get old the chemical package collapses and the oil can no longer perform on the higher viscosity level. This is why it is more critical then ever to change your oil on a regular basis, otherwise you could be driving around in a 100+ degree-day with 10w oil in your crankcase.
Logistics Pro
Joined: Apr 2005
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Originally Posted by Dave Sponaugle
Yes, but you also have to remember different climates. I have 2" of snow on my deck right now and it is coming down hard as I type. So much for fall I guess.
TV is blasting out winter storm warnings now.....wait this is still October ...or did I miss something?
TV is blasting out winter storm warnings now.....wait this is still October ...or did I miss something?
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Elder User
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From: Québec
Well that is a lot of info, thanks. I beleive that the 5w50 castrol full synthetic is for all type of engine, that is what it say's, it surpasse all type of oil. It will make the engine turn very much easier when starting in cold temp. I used to put in 0 w 30, semi synthetic for the winter, many guys use it in my area.
How I understand it is when the engine is cold, oil will flow easy, as it gets warmer, oil will change it's propeties and get "thicker".
I am concern with foaming, what do you mean?
How I understand it is when the engine is cold, oil will flow easy, as it gets warmer, oil will change it's propeties and get "thicker".
I am concern with foaming, what do you mean?
Fleet Owner
Joined: Jan 2004
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From: Brentwood,CA
Originally Posted by Chevy_Eater
Well, for starters an IDI diesel is hardly a modern engine.
With multi-viscosity oils the lower number is what the oil actually is. 10w30 is actually 10w with a chemical package that makes the oil perform like 30w when the engine temperature rises. When these oils get old the chemical package collapses and the oil can no longer perform on the higher viscosity level. This is why it is more critical then ever to change your oil on a regular basis, otherwise you could be driving around in a 100+ degree-day with 10w oil in your crankcase.
it is obvious you still have some learning to do. becuase that is not at all how oil works.
This is why it is more critical then ever to change your oil on a regular basis, otherwise you could be driving around in a 100+ degree-day with 10w oil in your crankcase.[/QUOTE]
that sure is a far fetched statement.