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Member Since Sept 2007
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Discussion Starter #1
Wgat kind of oil is everyone running? Our fire dept mechanic says he runs Mobile Delvac MX in our ambulances which have 6.0's in them. Whats the best stuff to run??
 

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172 Posts
i just started using motorcraft 15w 40 after i put my new injectors in from matt a spartan diesel tech he said that its better for the spool valves in the injectors because its a little thinner then must brands:smoke
 

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1,649 Posts
john deere 15w40 high guard turbo blend.....its free for me and i change it every 3000
 

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***********
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1,372 Posts
Shell's ROTELLA T here....no problems...
 

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Valvoline Extreme Blue Synthetic 5W40 here :Thumbup:
 

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ams oil 5w40
 

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Amsoil 15-40
 

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erikfowl said:
Shell's ROTELLA T here....no problems...
Same here!:Thumbup:
 

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Ams-Oil 15-40 and Ams-Oil Filter 86K and no problems yet
 

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Still kickin
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Rotella syn 5w-40
 

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Docktor's Oarders!
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either Rotella 15w40 or mobil delvac 15w40
 

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586 Posts
Albin,

Are you changing an element or the oil. I have the fs2500 and I go 35k on oil and 5k on element filters.
 
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