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Best Oil for a Merlin long Block 540??

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Best Oil for a Merlin long Block 540??

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Old 06-21-2010 | 11:14 AM
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Default Best Oil for a Merlin long Block 540??

What are you guys running?
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Old 06-21-2010 | 11:43 AM
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Amsoil - Diesel/Marine 15-40w
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Old 06-21-2010 | 11:50 AM
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Use this for the first 20 hours or so to get it broken in properly

http://www.valvoline.com/products/co...ng-motor-oil/6

And then switch to synthetic

http://www.mobiloil.com/USA-English/...s/Mobil_1.aspx

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