| Subject: Re: Questions on Detroit Diesels |
Author:
Don
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Date Posted: 07/ 2/ 08, 4:15pm
In reply to:
Kent Slater
's message, "Questions on Detroit Diesels" on 09/ 13/ 06, 2:53pm
Hello,
I have an 8V92 450HP (California Emissions -vs- 475). I drove an 6V92, same size of bus that I thought was a real dog; I also though it did need an overhall...very high mileage and lots of white/blue smoke that got better but would not go away. Both busses have/had a fuel delay mechanism to slow off the line acceleration; don't let that shock you. But the 6V92 would slow at a rumor a hill, maybe worse than a 3208NA.
Any engine that sits with the same coolant in it for 3 to 6 years for how many times(?), is due for some costly work. Figure the same if there have been no oil changes, filters, rust, and on and on.
Depending on how much driving you'll be doing, unless your concerned w/catastrophic failure (and you have reason to believe that may be the case: clank, clank, clank..., fluids in where they ought not be and so on), for many of us a bit of smoke is not that big of a deal considering how few hours we actually log in a year.
Many DD engines get rebuilt as a sort of insurance. So long as fuel economy is not insane, or you can't get over the hills; generally these will be hard to start, lots of smoke, blue rings, white injectors. A DD due for overhall w/a decent past can last the RVist a long time.
Keep an eye on rubber. It gets old and brittle.
Regards, Don
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