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Deeds, why the reluctance to chip? I have the same truck basically and the hydra chip is magic for towing, even on the lowest setting. It changes the shift strategy to use the 7.3s power band so much better than stock.
Do not be afraid to shift at 3k rpms if you need to. Yes it gets loud but you cannot harm the engine or trans unless you have another problem to begin with. Redline is above that anyway. The stock shift strategy is absolute poop!
Feel free to pm me if you like...
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Dan and Rita
Prefer not to be hooked up in a RV park
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