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Supercharged Engines...Life expectancy

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Old 09-27-2004, 03:57 PM
  #21
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Default Re: Supercharged Engines...Life expectancy

I dont understand how you guys are getting so many hours. I have a BDS 871 @ 5lbs making about 700 hp. I change the oil every 10-15 hours and had to rebuild at about 250 hours. The motor runs amazing but 700 hours??
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Old 09-27-2004, 04:22 PM
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Default Re: Supercharged Engines...Life expectancy

How many hours ? Man is this thread misleading to some perspective buyer. Blower motor failures are not a result of dirty oil IT'S CYLINDER PRESSURE AND HEAT ! ie. broken pistons and valves, neither of which are lubrication related. If you don't use the boost they last, if you do they don't. It's really that simple.
 
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Old 09-27-2004, 04:50 PM
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Default Re: Supercharged Engines...Life expectancy

You tell 'em big Jim
I hope to get 400+ hrs out of my NEW CHIEF'S, but I also know that ANYTHING can happen. And yes I stay out of the boost most of the time, I just like that fast cruise .

Robert
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Old 09-27-2004, 04:53 PM
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Default Re: Supercharged Engines...Life expectancy

Quote:
Originally Posted by Dave M
300 Hrs = 8 seasons for you? Where do you live? I run 75-100 hrs per season. Gladd to hear you are having good luck with your motor.
NJ. I only use it on the weekend, and the most of the good spots are close to where I launch. The boating season is short. The crap weather lasts forever. That's the dish.
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Old 09-27-2004, 04:58 PM
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Default Re: Supercharged Engines...Life expectancy

I hear ya Tonto,...nothing like cruising at 70-75 mph only pushing 3500-3800 rpms
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Old 09-27-2004, 04:58 PM
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Default Re: Supercharged Engines...Life expectancy

Quote:
Originally Posted by WickedWon
How many hours ? Man is this thread misleading to some perspective buyer. Blower motor failures are not a result of dirty oil IT'S CYLINDER PRESSURE AND HEAT ! ie. broken pistons and valves, neither of which are lubrication related. If you don't use the boost they last, if you do they don't. It's really that simple.
Oil isn't just a lubricant, it is a coolant also
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Old 09-27-2004, 05:02 PM
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Default Re: Supercharged Engines...Life expectancy

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Originally Posted by robyw1
If I built it, it would last 500 hours with no horsepower loss.

Roby
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