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Power Strokes
6.7 Aftermarket
Valvoline 5W-40 Premium Blue is gold!
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[QUOTE="Powerstroke Cowboy, post: 148938, member: 610"] As far as i am concerned synthetics oils are worth the price. Especially in the HEUI systems.. They start better, Idle smoother, Have better throttle response, have a little better power, Better fuel economy, AND last but not least LAST WAY longer before they start to break down. I mean with synthetic 5w40 you can furn 10,000 + miles before oil change. But with the 15w40 non synthetic I would go no farther then 3,000 Miles. These HEUI systems destroy the oil quicker then most.. The extra miles you gain between oil changes more then offsets the cost of the oil.. [/QUOTE]
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Valvoline 5W-40 Premium Blue is gold!
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