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  1. L

    3.73 or 4.10?

    Soon to purchase a new 2500 HD 4x4. Will pull a 5000 lb pull trailer or carry a lighter in box 8 ft camper a few times a year. Will I be happy with the 3.73? Had a 4.10 years ago on a GMC. The high rpms always bothered me. Guess I feel a 3.73 will give me a bit better mpg and engine last...
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