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Old 08-04-2020, 09:12 AM   #21
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I agree you're better off trading to a different motor, than trying to build-up your 5.4L to tow that much weight.

For 7-10k towing, the V10 is perfectly adequate assuming proper gearing.

My (V10 with 4.56 gears) combined weight is typically 22,000 pounds. At 17,000 pounds scale-weight I can walk away from my dad's 5.4L van weighing about 8,000 pounds. His is stock with 3.55 gears.
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Old 08-04-2020, 11:14 AM   #22
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Quote:
Originally Posted by carringb View Post

My (V10 with 5.56 gears) combined weight is typically 22,000 pounds.
Wow! What rpms do you run at 70 mph with 5.56 gears??
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Old 08-04-2020, 11:31 AM   #23
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Quote:
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Wow! What rpms do you run at 70 mph with 5.56 gears??
Typo! 4.56 gears
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