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  #11  
Old 04-23-2013
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Re: Stuck valves

Want to thank everyone for thier advice. After soaking in mystery oil for a few days the A-4 came to life. It runs pretty smooth. Haven't run more than 2 minutes yet, pump problems. Talked to Moyer Marine, have to prime the water pump. Looks like Midnight Mist will be on the water around Memorial Day
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Old 04-23-2013
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Re: Stuck valves

You might try running synthetic oil in it once and see how it does. Some old engines don't like it and some do. It doesn't get gummy like dino oil. That's the only thing that I'll use on something with a turbo because it doesn't turn to carbon in the super hot turbo when you shut it down and the cooling liquid stops circulating.
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Old 04-23-2013
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Re: Stuck valves

Quote:
Originally Posted by sww914 View Post
You might try running synthetic oil in it once and see how it does. Some old engines don't like it and some do. It doesn't get gummy like dino oil. That's the only thing that I'll use on something with a turbo because it doesn't turn to carbon in the super hot turbo when you shut it down and the cooling liquid stops circulating.
Some turbos and superchargers can be damaged by synthetic oil as it has different cooling and surface tension properties among other things. Best to use the oil recommended by the engine manufacturer unless you can afford to live with the results of experimenting.
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Old 04-23-2013
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Re: Stuck valves

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Originally Posted by transmitterdan View Post
Some turbos and superchargers can be damaged by synthetic oil as it has different cooling and surface tension properties among other things. Best to use the oil recommended by the engine manufacturer unless you can afford to live with the results of experimenting.
Told me!
Goody for you.
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