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#2
Rotary Freak
Most everyone including me use GTX 10w-30 the 40 is crap because I heard it carbonates... Anything thiker and your oil pressure will rais wich I would think puts higher pressure on your pump wering it out faster. But thats just an educated guess. Last time I used 50 my oil pressure went to 60psi. I changed it right away.. Run GTX and forget about the rest.. U will just hurt your brain thinking about.
#4
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Here's something to consider:
Higher weights mean the oil is thicker. As the oil gets hotter, it gets thinner, increasing its viscosity.
Why put a thinner oil in? When the oil is too thin (viscous), it doesn't lubricate as well because it just runs off. Thus, the desire for oil that not get too thin under normal temperatures.
Now, why not put thicker oil in? When the oil is cold, your oil pump has to push that oil through the oil lines. If the oil is too thick, it won't be able to do it.
If you're in a cold climate, you want lower weights. I live in California, so I chose higher. If the oil carbonates at high weights, then another oil should be used.
Higher weights mean the oil is thicker. As the oil gets hotter, it gets thinner, increasing its viscosity.
Why put a thinner oil in? When the oil is too thin (viscous), it doesn't lubricate as well because it just runs off. Thus, the desire for oil that not get too thin under normal temperatures.
Now, why not put thicker oil in? When the oil is cold, your oil pump has to push that oil through the oil lines. If the oil is too thick, it won't be able to do it.
If you're in a cold climate, you want lower weights. I live in California, so I chose higher. If the oil carbonates at high weights, then another oil should be used.
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#8
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10w30 is more for colder climates. The 30 high will break down in 90 degree temps under more than mild driving. Rotaries are hot, so cold oils will break down much quicker than when in boingers.
#9
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Correction...
Originally posted by richelesro
Here's something to consider:
Higher weights mean the oil is thicker. As the oil gets hotter, it gets thinner, increasing its viscosity.
Here's something to consider:
Higher weights mean the oil is thicker. As the oil gets hotter, it gets thinner, increasing its viscosity.
#11
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oil
20w50 with MMO ( what!! you never heard of MMO!!),,great stuff for the rotary ...put a pint or so in with the oil at oil change, lubricates the seals ..and I guess it may make the oil a little thiner so definitely use the 50 weight.......MMO= Marvel Msytery Oil....cjf
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