Re: [Amel Yacht Owners] Re: Long block failure on a Volvo D3-110 Amel 54-152

Porter McRoberts

Thanks Alan 
Great points. The elbow is very clean. But I have not looked beyond it. I will when we remove the engine. 
Thank you!  

Excuse the errors.  
Sent from my IPhone 

On Aug 16, 2018, at 2:11 AM, divanz620@... [amelyachtowners] <amelyachtowners@...> wrote:


Black smoke is caused by unburnt carbon....oil burning is blue smoke.

Unburnt carbon usually indicates there is a blockage somewhere checked that've done that.
Another thing could be too high back pressure in the exhaust.
Has the exhaust system been taken apart and checked to be sure it is relatively clean and free flowing?
Elyse SM437
Maskelyne Islands, Vanuatu

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