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RJThurston

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  1. Yes your correct, the 8.3 will not last as long as the N-14 or the Detroit 60 series, those are larger engines that typically go in class 8 truck made for pull 80 K down the road almost continually, although you can find them is some of the newer larger coaches. But the 8.3 is a strong, and long lasting engine if used as intended. What I like about this particular coach is that it a 2000, and is free of all the emissions add-on that contribute to the complexity of the engine management system. Having life long friend that's a certified Cummins mechanic, he knows first hand that the valve lash can make a big difference in how a Cummins performs, even when done earlier than recommended by Cummins. In fact at his shop, they adjust the valves a little different than what's recommended, which also adds a little to the performance characteristics.
  2. Thank you, that's what I was looking for, great information.
  3. Thanks for the prompt reply, that's good to know and that the salesman had it right, I've talked to many sales people that didn't know a Cummins from a Cat. Makes me more comfortable dealing with him. I'm thinking the 24 valve should be a stronger and more efficient engine than the 12 valve version of the 8.3. Any suggestions on a web site that might give specification of the 24 valve engine....???
  4. New to site and Motorhomes. Looking at buying a used 2000 39 ft coach. The dealer says it's a 24 valve 8.3, 350 hp cummins. I have heard of a 24 valve 5.9 but not a 24 valve version of the 8.3. I'm thinking because it's an older engine that an internet search did not produce anything specific. If anyone has any specific information (torque specs, reliability, fuel mileage, know problems, etc) it would be greatly appreciated. Thank You.
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