Thread: gmpp 290 hp 350
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05-15-2007 08:09 PM #8
I'll tell you to run Valvoline.....Let the firestorm begin...... I trust it from years of use.....I would love to hear from the other guys here who have vast experience on their choices of oil. How long did the motor sit before usage?What if the "Hokey Pokey" is what it's really all about? 





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Either return this forum to what was or get the HELL OUT!
Dead!