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Old 10-28-2009, 02:27 PM
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amosfella amosfella is offline
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Join Date: Jun 2006
Location: Vulcan, AB, Canada
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I have heard that the 617 engines lose power a lot sooner in life than a 603. They wear the cylinder walls into an oval... The 603 doesn't have this problem, but might in the future have a head problem. If you don't let the 603 overheat, it will give you many years of problem free service....
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