12 Valve Engine and Drivetrain Talk about the 12V engine and drivetrain here. This is for 1994-1998.5 engine and drivetrain discussion only.

What's the 12 Valver's Average Service Life ??

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Old 08-13-2006, 01:05 AM
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Question What's the 12 Valver's Average Service Life ??

What is the 12 Valver's Average Service Life (mileage) ??

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Old 08-13-2006, 02:48 AM
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How far can you drive one? I dont know if there is an answer, because there are VERY few that have driven one enough to wear it out by age, but I think 600k miles is pretty easy to reach with one. Im sure most will go over that.

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Old 08-13-2006, 07:04 PM
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I know that the Cummins recomended rebuild schedule is 300,000 miles.
Old 08-13-2006, 07:08 PM
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there was a link on here one time to two dually 1st gens for sale. both w/ over 1,000,000 miles.
Old 08-13-2006, 09:11 PM
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i believe officially the motors themselves are rated for 350 000miles under duty conditions in the bigger trucks...id say 500 000miles in the "little" dodge...and many more if you're just using it as a daily driver up and down the interstate
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