S2000 Under The Hood S2000 Technical and Mechanical discussions.

AMSOIL Oil

Old 03-22-2017, 05:51 AM
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I know this topic get beat to death but I was just curious if anyone has used AMSOIL Premium Protection 10W-40? I'm trying to bring my oil pressure up a bit at idle and I figured I would start with a thicker oil and they don't have the signature series in 10W40. Will 10W-40 be bad for cold starts? Should I be concerned over a long period of time? Thanks for the help.
Old 03-22-2017, 06:09 AM
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"Will 10W-40 be bad for cold starts?"

I suppose it depends on how cold it gets where you live.

https://bobistheoilguy.com/motor-oil-102/
Old 03-22-2017, 06:19 AM
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Originally Posted by windhund116
"Will 10W-40 be bad for cold starts?"

I suppose it depends on how cold it gets where you live.

https://bobistheoilguy.com/motor-oil-102/
That is true I guess....I live in the panhandle of Florida so it doesn't really get crazy cold but it gets relatively hot.
Old 03-22-2017, 06:39 AM
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You don't burn any oil? OEM recommended 10W-30 may be fine. I use 5W-30 in the S2000, more to keep me psychologically happy during cold starts. Esp when I'm up in Monterey or Santa Cruz, during the winter months. I run 0W-30 in my Element, that sees a lot of sub-freezing temps on my winter trips to the Sierra Nevada mountains. Neither car burns any oil. At least, not between changes.
Old 03-22-2017, 06:44 AM
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Originally Posted by windhund116
You don't burn any oil? OEM recommended 10W-30 may be fine. I use 5W-30 in the S2000, more to keep me psychologically happy during cold starts. Esp when I'm up in Monterey or Santa Cruz, during the winter months. I run 0W-30 in my Element, that sees a lot of sub-freezing temps on my winter trips to the Sierra Nevada mountains. Neither car burns any oil. At least, not between changes.
No I don't burn any oil but my oil pressure is a bit lower then I think it should be and I was recommended to switch to 10W-40 and see if that helps before attempting to change my rod bearings.
Old 03-22-2017, 12:18 PM
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I would try this first
https://www.walmart.com/ip/Mobil-Sup...1-qt./17034381
Very good oil and you can see if a 10/40 will up your oil pressure.
If its still a little low try a good 15/40 like Rotella or Delo

I run 10/40H/M in my '06(with 134k miles) and I don't use any oil between oil changes and my oil pressure is up to what the book calls for when hot. I have had my S in cold weather(,-7F) and we went through Death Valley when it was 119*(hell yes we had the ac on). 10/40 will work great in cold or hot weather. Unless you live where it gets cold(-10F) for days on end I would use the 10/40. Even a 15/40 will work down to 0F.

ROD
Old 03-22-2017, 12:48 PM
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why not run their 5w40?
Old 03-22-2017, 03:58 PM
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Originally Posted by Fraley
I know this topic get beat to death

Old 03-22-2017, 06:47 PM
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Is your oil pressure outside of specs?
Old 03-22-2017, 08:08 PM
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What's ur oil psi at cold. Then at at warm idle? I see no reason to leave Honda specs for oil recommendations. Unless ur motor is hurt. I use Mobil 1 10w-30 and I stay in redline all the time. Never an issue.

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