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Power Strokes
6.7 Aftermarket
13-16 Spartan tuning
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[QUOTE="Lasvegas67, post: 1371917, member: 22773"] I tow a 25ft speed boat at about 6k lbs. I only tow on the 40hp tune. I come from the 6.4 world so I still worry about head gaskets and tranny. With the lift unloaded on the 200 tune I see 13.8 average on the lie-o-meter if I'm nice to her. Towing the boat I see about 11-12 on the 40 tune. I hear many guys tow light on the high tunes, but that's personal preference. [/QUOTE]
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6.7 Aftermarket
13-16 Spartan tuning
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