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Old 07-25-2021, 12:20 PM   #5
HeadedToTexas
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City: Sandusky Bay
Vessel Name: Escape
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Join Date: Jul 2016
Posts: 1,429
My QSB 380 is a 2007 and long out of warranty; it’s just my first oil change.

There is a big price difference between Rotella T4 and T6. What’s the difference in the product?
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