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Old 11-23-2011, 09:58 AM
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Question Which oil to use?

Would like to know which engine oil is best suited to use in the Mercury HP 500 carb engine? Thanks
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Old 11-23-2011, 11:14 AM
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Originally Posted by Hydrocruiser
I was asked to do a brief 2010 lubrication recommendation.

#1. Do not use SM rated oils as they have too little ZDDP. Mobil-1 20W-50 V-Twin is still the one to beat. Royal Purple, Amsoil V-Twin and Redline 20W-50 are amazing as well.

$2.Use a Wix oil filter or Mercury racing oil filter and you will have the best combination.

#3. Mercury 20W-40 Synthetic Blend is an outstanding oil!

#4. If you run hard change often. Synthetic in a boat engine is not for extended drains...it's for better heat protection and extendedbearing life.

#5. Castrol/Kendall/Valvoline SL rated oils 20W-50 are excellent.
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Old 11-23-2011, 07:13 PM
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Thanks very much, I have written these down and will try and go with the Mobil-1 20 w 50 V-twin, if not either Royal Purple or Amsoil.

Randy
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Old 11-25-2011, 12:23 AM
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If you're not allergic to nuts, of course. Peanut oil will work best in the very high temperature that most people use for stir fry. It doesn't break down and it won't smoke at a very high heat. I will say that I use canola oil, but that's because I don't stir fry on a super high heat.

As for which kind of wok, I prefer my non-stick because I am lazy about clean-up. This doesn't mean a steel wok won't clean easily, just that I know the non-stick will.
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Old 11-25-2011, 08:55 PM
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Originally Posted by Ormond66
If you're not allergic to nuts, of course. Peanut oil will work best in the very high temperature that most people use for stir fry. It doesn't break down and it won't smoke at a very high heat. I will say that I use canola oil, but that's because I don't stir fry on a super high heat.

As for which kind of wok, I prefer my non-stick because I am lazy about clean-up. This doesn't mean a steel wok won't clean easily, just that I know the non-stick will.
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Old 11-26-2011, 07:18 AM
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Amsoil is bar none the best. it improves your fuel economy and saves you time and money with extended drain intervals. you can keep it in your car for 25,000 miles or one year whichever comes first. I just changed a 94 chevy 1/2 pickup over to Amsoil and I used there fuel treatment. the truck went from 10mpg to 17mpg from just an oil change and fuel treatment. I did this 4 tanks of gas ago and I'm holding those numbers. it wasn't just for the first tank of gas that the treatment was in.

according to the study I'm looking at right now
Castrol is second best in viscosity break down but third in ball bearing wear.
Pennzoil took second in the ball bearing wear test but came in dead last in the break down test
Amsoil was the best in all categories.
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Old 11-26-2011, 07:33 AM
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Originally Posted by ArchieDrew
Amsoil is bar none the best. it improves your fuel economy and saves you time and money with extended drain intervals. you can keep it in your car for 25,000 miles or one year whichever comes first. I just changed a 94 chevy 1/2 pickup over to Amsoil and I used there fuel treatment. the truck went from 10mpg to 17mpg from just an oil change and fuel treatment. I did this 4 tanks of gas ago and I'm holding those numbers. it wasn't just for the first tank of gas that the treatment was in.

according to the study I'm looking at right now
Castrol is second best in viscosity break down but third in ball bearing wear.
Pennzoil took second in the ball bearing wear test but came in dead last in the break down test
Amsoil was the best in all categories.
for marine engines,amsoil dominator 15w50 is hard to beat...
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Old 11-26-2011, 08:27 AM
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the truck went from 10mpg to 17mpg from just an oil change and fuel treatment.
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Old 11-26-2011, 08:37 AM
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Originally Posted by johnny b good
the truck went from 10mpg to 17mpg from just an oil change and fuel treatment.
...and with 100 pounds pressure in the tires,hes going to hit 25mpg easy
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Old 11-26-2011, 09:04 AM
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Originally Posted by johnny b good
the truck went from 10mpg to 17mpg from just an oil change and fuel treatment.
You sound doubting.
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