S2000 Under The Hood S2000 Technical and Mechanical discussions.

Basic fluids

Old Jan 20, 2023 | 03:43 AM
  #21  
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Originally Posted by windhund116
It's odd how different sites have slightly different explanations of the upper number (90 versus 140). FWIW, I've been using Mobil One synthetic 75W-145, for 8-years on my S2K. No problems, no noises. Change it every two years.
I am a fan of mobile one, used it in my Harley for almost 100k with no problems.
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Old Jan 20, 2023 | 03:46 AM
  #22  
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Originally Posted by Save the Manual Wagons!
Actually, the different sites have opposite descriptions! Your link says 90 is thicker at high temperatures and 140 is thinner at high temperatures (wrong). It then says that thinner oil is better at high temperatures, which makes no sense.

Lower number = thinner = better for low temp.
Higher number = thicker = better for high temp... just like motor oil.

https://addinol.de/en/products/lubri...ils/sae-75w90/

https://www.thetruckstop.us/forum/th...r-75w-90.1678/

https://www.rv.net/forum/index.cfm/f...print/true.cfm
Look again, it says just the opposite!
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Old Jan 20, 2023 | 04:32 AM
  #23  
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Not a big fan of Amsoil's boutique oils.
Merely noting the very handy squeeze bag,

But we all know Amway Amsoil cures cancer and COVID. Proof? I've used it at least once and have neither. Works for me -- no further proof is needed.

-- Chuck
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Old Jan 20, 2023 | 04:42 AM
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Originally Posted by Chuck S
Merely noting the very handy squeeze bag,

But we all know Amway Amsoil cures cancer and COVID. Proof? I've used it at least once and have neither. Works for me -- no further proof is needed.

-- Chuck
Yes, It is also a great elephant attack deterrent! I did use it once in my Harley and never had an elephant encounter the whole time it was in there!
I do like the squeeze bag thingy, but they also make a pump for quart oil bottles which will work as well.
Amazon.com: Slippery Pete Fluid Pump for QUART BOTTLES - Transfer Gear Oil, Transmission and Differential Fluid With This 5cc Hand Pump (NOT FOR Red Line Quarts!) (1) : Automotive Amazon.com: Slippery Pete Fluid Pump for QUART BOTTLES - Transfer Gear Oil, Transmission and Differential Fluid With This 5cc Hand Pump (NOT FOR Red Line Quarts!) (1) : Automotive
Scott

Last edited by A.O.; Jan 20, 2023 at 04:45 AM.
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Old Jan 20, 2023 | 04:46 AM
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Speaking here of fluids, how often do you guys do a radiator flush and fill?
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Old Jan 20, 2023 | 05:02 AM
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Good information on the elephant deterrent!

The little pumps are a PITA as far as I'm concerned especially for the differential gear oil which is much thicker than gearbox oil which is only slightly less PITA. And once the job is done I'm left with oily, drippy, stinky little pumps that my Scottish grandmother would not want me to throw away so I gotta clean them and mark them for the specific POL that they're used for to prevent cross-contamination. The squeeze bags are single use and trashed.

-- Chuck

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Old Jan 20, 2023 | 05:08 AM
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I may have to look into them although I'm sure Amsoil will want 40 bucks or so each!
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Old Jan 20, 2023 | 05:20 AM
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Originally Posted by Save the Manual Wagons!
Actually, the different sites have opposite descriptions! Your link says 90 is thicker at high temperatures and 140 is thinner at high temperatures (wrong). It then says that thinner oil is better at high temperatures, which makes no sense.

Lower number = thinner = better for low temp.
Higher number = thicker = better for high temp... just like motor oil.
Originally Posted by A.O.
Look again, it says just the opposite!
No, it doesn't... Look at the chart yourself. I must have checked it three times to make sure I wasn't seeing things. https://mycarmakesnoise.com/oil/75w-...il-comparison/

75W-90 Gear Oil - It is thicker in high temperatures, and as a result, it might struggle in higher temperatures...

75W-140 Gear Oil - It is thinner at high temperatures, and as a result, it will perform better in hot climates



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Old Jan 20, 2023 | 05:53 AM
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@Save the Manual Wagons! Is correct. Viscosity numbers are, not surprisingly, logical: Higher number means thicker. Works the same for all oils. For example 10W-40 is NOT thinner at 100°C than 10W-30. That's all we need to know.

-- Chuck
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Old Jan 20, 2023 | 06:40 AM
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[QUOTE=Save the Manual Wagons!;24981142]No, it doesn't... Look at the chart yourself. I must have checked it three times to make sure I wasn't seeing things. https://mycarmakesnoise.com/oil/75w-...il-comparison/





QUOTE]
I was looking at the chart you referenced in post #15 above
And I do agree with you.. looking at different charts I guess..

Last edited by A.O.; Jan 20, 2023 at 06:44 AM.
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