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Old 12-06-2009, 08:39   #16
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I might add that you should wait until after you've gotten a second opinion (or third) on the matter, to make sure that the engine really is a loss..


Shoot, I was freaking out a few days ago when the techs were essentially telling me that I might as well get a new engine since the repair costs would be about the same as doing that.

Then I got a second opinion from a guy who has nothing to gain from me buying a new engine, and the story changed. Shocking.


Be careful to consider the source of your re-powering advise and decision-making. Heck, that goes for any advise really.


Cheers,
Alexei
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Old 12-06-2009, 19:03   #17
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When it locks up tight as a drum, it's time for a rebuild or repower.
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Old 12-06-2009, 19:17   #18
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If it is an engine designed to be rebuilt such as the old fashioned Perkins rebuild it. Some of them have been rebuilt 4 or 5 times, they have replaceable cylinder liners. Then you will not have to worry about repositioning engine mounts, room for all the addons such as a 2nd HO alternator, exhaust configuration changes, problems with the propeller shaft, etc. All these problems eat up time and money real fast.
I have an old perkins 4-235 that has been rebuilt twice. 5500 hrs on the engine since it's last rebuild 15 years ago, starts on the 2nd compression stroke even when it has not run for a month or two. Still do not need to add oil between oil changes (200 hrs).
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Old 14-06-2009, 08:13   #19
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didnt need a second opinion regarding my need to repower--i saw for myself...lol....btw--i LOVE my 4-108--purrrrs like a snow leopard ....so awesome..i used many of the parts from my 4-107--alternator, air cleaner, sensors....the leftovers are either spares or for other poeoples 4-107s....
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Old 16-06-2009, 19:36   #20
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You know you need a repower when you start the engine and hear an obscenely loud bang, and when you go to the engine to inspect it all you see is some smoke and a bunch of metal laying on the floor, but most of the time just replacing glowplugs or starters or something fixes it.
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