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| What Oil shoudl I use? https://www.smwebhead.com/phpBB3/viewtopic.php?f=11&t=15310 |
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| Author: | cimolifam [ Mon Feb 13, 2017 1:54 pm ] |
| Post subject: | What Oil shoudl I use? |
Hello All, I have been reading and I am reading that I should use SAE 30 Motor oil to use for my oil change. What would you suggest? I have been seeing people use 15-40. I have a 5.0L EFI. I have a 1996 Four Winns 200 Horizon. Thank you for your input. |
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| Author: | Winnsome [ Tue Feb 14, 2017 1:09 am ] |
| Post subject: | Re: What Oil shoudl I use? |
I have a 1997 7.4GiDP Volvo, that I have used Amsoil 15-40 in the block since new. Now has 1000 hours on the engine and so far, no problems. |
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| Author: | zims1993 [ Tue Feb 14, 2017 1:14 pm ] |
| Post subject: | Re: What Oil shoudl I use? |
Either use the recommended SAE 30 or Mercruiser 25-40 as its readily available. |
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| Author: | jmb23802 [ Tue Feb 14, 2017 3:50 pm ] |
| Post subject: | Re: What Oil shoudl I use? |
Royal Purple and Sierra both offer a synthetic SAE 30 if you want to follow the manual to a "T". On Amazon right now these oils are selling for $11 and $9 per quart, respectively. |
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| Author: | LouC [ Wed Feb 15, 2017 5:54 pm ] |
| Post subject: | Re: What Oil shoudl I use? |
You have a lot of choices as noted above. The Merc 25/40 is easy to find, more so than the straight weights. The ones I'd avoid are the 10w/30 or 5w/30 because they can shear down to a 20w under high rpm use over time. 15w/40 has also been used. Just avoid the lower vis oils.... |
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