| [GMCnet] Engine question [message #344140] |
Tue, 11 June 2019 14:24  |
glwgmc
Messages: 1014
Registered: June 2004
Karma: 10
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Senior Member |
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I am with JimH on this one. Given the cost and inconvenience involved I would strongly recommend replacing everything that ever touched oil or water at the time of an engine replacement. Unnecessary some would say, but all the components are old whether they contributed to the failure or not so you are $ ahead to do it all at one time.
Several years ago I advocated for an online scorecard for all those who supplied rebuilt engines for our coaches. My logic as that over time we would get a picture of whether expensive rebuilds fare any better than less expensive ones. And, if enough info was posted about whether coolers, oil lines and the like were changed or just cleaned we would also see how much reusing old components contributed to subsequent engine life.
Here we are several years later still speculating without any objective info. At the time I proposed this online posting I received numerous private emails saying that would not be a good idea as it would chase all the “good” rebuilders out of the market. Never did understand that logic. If high priced engines really stood out in terms of subsequent longevity that would be proof enough for most people to go ahead and spend the extra money. If low priced rebuilds experienced the same or even better longevity then that would speak reams about the value proposition offered by the higher priced alternatives.
I still think objective data collected over an extended period of time trumps speculation every time.
Jerry
Jerry Work
Kerby, OR
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To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] Engine question
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I personally contend that if an engine ever spins bearings, or flattens cam
shaft and lifters, or disintegrates a plastic timing gear, that YOU SHOULD
NEVER, EVER, CONSIDER using the existing cooler or lines again.
You can do what you want to your own engine, and maybe, just maybe,
you could get lucky and not have to pay the price out of pocket, but the
odds are severely stacked against you. You start adding up tow costs,
inconvenience of being stranded, shoddy repairs by people that do not know
your coaches, and you get the picture. Just my opinion, yours might vary.
Jim Hupy
Salem, Oregon
78 GMC ROYALE 403
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Jerry & Sharon Work
78 Royale
Kerby, OR
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| Re: [GMCnet] Engine question [message #344142 is a reply to message #344140] |
Tue, 11 June 2019 18:47  |
lqqkatjon
Messages: 2324
Registered: October 2010
Location: St. Cloud, MN
Karma: 5
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Senior Member |
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I dont think it would scare
Anybody. I just dont know how you can compare. I have seen some really good engines installed by some bad installers, just the same as I have seen bad engines done by rebuilders.
I talked to dozens of people last summer about engine and their experiences and problems. I did not write it all down, but there was very little consistencies. The only thing that was consistent was poor installation, and poor timing.
The majority of problems were engines installed by unknown shops away from home. Some from known "reputable builders". And some from unknown.
Other then that group, there was no consistency on who built an engine on if it lasted or failed.
Jon Roche
75 palm beach
EBL EFI, manny headers, Micro Level, rebuilt most of coach now.
St. Cloud, MN
http://lqqkatjon.blogspot.com/
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