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amsoil (which one to use please)

Old 03-18-2012, 06:50 AM
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Which Amsoil product is best for the 454mag mpi and the Bravo drive.. I heard should be a certain one when you have a roller cam.. Want to switch this spring.
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Old 03-18-2012, 08:04 AM
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IMO, there's two oils that you could use depending on how you run the boat.
If it's wide open 75% of the time I would use the 20w/50 Dominator, if you just cruise 75% of the time their 4 stroke Marine 10w/40 would work fine. As far as the drive the 75w/80w-90 drive lube would be what I would use, it's stable even with water intrusion. Or the Mercury synthetic if you can find it.
There will be a lot of comments on this.
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Old 03-18-2012, 12:34 PM
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My recommendation in the following order:
1. RD50 15w50 Dominator Racing Oil
2. ARO 20w-50 High Performance
3 AME 15w-40 Marine Diesel Oil
All three of these oils are extremely stout with zinc and phosphorus for the roller cam you mention.

In the drive:
1. AGM Marine Gear Lube 75w/80w-90
2. SVG Severe Gear 75w-90
3 SVT Severe Gear 75w-110

Also, I recommend the Series 2000 Racing Grease for any zerk fittings.

Last edited by 07DominatorSS; 03-18-2012 at 12:36 PM.
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Old 03-18-2012, 05:35 PM
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For the engine...Amsoil 20W-50 Z-Rod has all the benefits of M-1 V-Twin along with friction modifiers for improved fuel economy.

So I now use Amsoil 20W-50 Z-Rod with an Amsoil EaO Oil filter.

There is nothing better!!!
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Old 03-18-2012, 07:47 PM
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Originally Posted by Hydrocruiser
For the engine...Amsoil 20W-50 Z-Rod has all the benefits of M-1 V-Twin along with friction modifiers for improved fuel economy.

So I now use Amsoil 20W-50 Z-Rod with an Amsoil EaO Oil filter.

There is nothing better!!!
I appreciate all your insights that you post. Especially when it comes to oil recommendations. What's your thought on Mobil 15-50W? I have ten cases left and my intention was to use them in my 540 blower motors
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