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I'm That Guy...
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Never put anything in the air intake of a diesel, that said....

Some guys run it in their fuel.
 

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37 Posts
I used it in my tank but I'm new to the diesel world.
 

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I'm That Guy...
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16,690 Posts

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3,039 Posts
Sea Foam is great stuff!! So far the only thing that actually does what it claims as far as gas engines go. Ive never had it let me down yet. Never put it in the diesel yet, I know I wont put it in the fuel but maybe in the oil before an oil change to knock the crud loose and clean things out but thats about it.
 

·
I'm That Guy...
Joined
·
16,690 Posts
Sea Foam is great stuff!! So far the only thing that actually does what it claims as far as gas engines go. Ive never had it let me down yet. Never put it in the diesel yet, I know I wont put it in the fuel but maybe in the oil before an oil change to knock the crud loose and clean things out but thats about it.
In the fuel may not be bad, just don't put it in the intake.
 
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