stomper
TY 4 Stroke Master
I am going to 5W30 oil in my 03 rx1 from the 0w40 amsoil sythetic. I have been having a oil consumtion issue and several members here had said to switch back to the 5w30 that is called for in the owners manual to see if that works. I would like to stick with sythetic because I like it and use it in everything else that I own. There was a killer deal on Castrol Sytec 5w30 at a local store and I stocked up on it for my other engines. Can it be used in my rx1.
yamaha1973
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maybe use the yamaha full sythetic? or semi?
darv
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You need to buy some Yamaha ring free an do a shock treatment then do an oil an filter change. There was a tech bul on this a lot of the 03 had this problem it is from carbon build up.
stomper
TY 4 Stroke Master
Yes I have done the ring free thing (I forgot to mention that) and just want to know it the Castrol 5w30 will be ok in the sled.
Why not go with amsoil 5-30? or Mobil 1. Castrol is good but has never come out on top in tests.
stomper
TY 4 Stroke Master
Yeah I will probably stick with something like that. I just have a ton of this stuff sitting in the shop and wondered if it could be used. It doesn't say any where on the jug about "energy conserving" or any added "friction modifiers" so I thought it could be used. It's not worth blowing an engine over.
Thanks for the repys guys
Thanks for the repys guys
stomper
TY 4 Stroke Master
actualy with a closer look it does say "energy conserving" on the API label. I guess that answers my question.
Indy
TY 4 Stroke God
I used the Castrol Syntec in my Tahoe for the same great deal reason, changed it out in 3 weeks. It's always had Mobil 1, went thru 2 quarts in 3 weeks. Never does on the Mobile 1. Plus I had a noticable increase in lifter noise.
stomper
TY 4 Stroke Master
Thats just the opisite in my 03 silverado. It quietened the lifters and I can get 5000km with and its half way between add and full on the dipstick. The truck only has 87,000 kms on it.
dexter
TY 4 Stroke Master
I have run the syntec for about 6k miles... no issues but I do still get carbon build up and some spitting... I use the ring free once a year.
thrasher
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I run Castrol Syntec 0w30 in my sleds with no issues. It is my preferred oil of choice.I tried amsoil 0w40 also, but seemed to burn some of that. 5w30 is what your engine calls for, 0w30 for us northeners when it's really cold out.
Sasquatch
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The 0 in front is how it reacts when cold. In other words like a 0 Weight oil. When warm it is like a 40 weight oil. If you reduce the last number to a 30 then it will have thinner oil when warm. Thinner oil in my opinion would be worse and cause even more oil to be burned.
As oil has additives that give it its 30 or 40 weight second number and start out with a pourable first number when cold those additives make a difference I suppose. They also don't last forever so the oil gets thinner the longer it is used.
I remember years ago that I could not use ESSO 10-30 in my 318 Dodge. It would send a cloud of smoke out the back that would block out the sun. Can't remember what 10-30 I switched to and no more cloud. I even tried ESSO 10-30 a second time and had the same result. So if ya find something that works for you use it.
I use 0-40 Amsoil and use very little between oil changes. Usually about 250 to 500ml. Find lots in my airbox on long full throttle runs from the crankcase.
As oil has additives that give it its 30 or 40 weight second number and start out with a pourable first number when cold those additives make a difference I suppose. They also don't last forever so the oil gets thinner the longer it is used.
I remember years ago that I could not use ESSO 10-30 in my 318 Dodge. It would send a cloud of smoke out the back that would block out the sun. Can't remember what 10-30 I switched to and no more cloud. I even tried ESSO 10-30 a second time and had the same result. So if ya find something that works for you use it.
I use 0-40 Amsoil and use very little between oil changes. Usually about 250 to 500ml. Find lots in my airbox on long full throttle runs from the crankcase.
Modern multigrades use coiled strands of polymers
to thicken the oil as it heats. The grade given is at
one specific temperature, IIRC 235 degrees F. (compared to straight 30 weight as the standard) What it
does above and below that is not information the oil companies supply us with. I do know that amsoil and mobile 1 break down after 18 hours or so of constant heat and thin out. Not a problem with sleds in general.
I would run not 0 weight in anything and am not even
fond of 5/30 weights but I do use them in my sleds it's all cold weather operation. My theory is, since I know the polymers give up their coils at high temps, if you overheat the sled you are back to 0 weight oil. fWIW
to thicken the oil as it heats. The grade given is at
one specific temperature, IIRC 235 degrees F. (compared to straight 30 weight as the standard) What it
does above and below that is not information the oil companies supply us with. I do know that amsoil and mobile 1 break down after 18 hours or so of constant heat and thin out. Not a problem with sleds in general.
I would run not 0 weight in anything and am not even
fond of 5/30 weights but I do use them in my sleds it's all cold weather operation. My theory is, since I know the polymers give up their coils at high temps, if you overheat the sled you are back to 0 weight oil. fWIW
Stomper I would not be scared to use that oil in my sled you have to remember you are adding new oil all the time if its using it and that means you are putting brand new additives. Sasquatch is right the number before the W is the thickness of oil when cold the latter number is the thickness when hot.
