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Old 16-02-2020, 11:39   #1
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VOLVO D1-30 Exhaust Elbow

I have a VP D1-30 which now has 1,900 hours on it. I thoroughly maintain this engine and it runs perfectly. When running at 2,400/2,500 RPM my sailboat moves at about 6.5 knots and this is the speed I normally operate it at. At 1,300 hours I removed the exhaust elbow and found it to be 50% blocked. I cleaned out the carbon/salt accumulation and reinstalled it. Recently, I removed the exhaust elbow again and discovered that after 600 hours it is 25% blocked. Is this normal? Should I replace the exhaust elbow as the casting appears to be rusting from the inside (difficult to determine how much material has been eroded away)?
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Old 16-02-2020, 15:20   #2
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Re: VOLVO D1-30 Exhaust Elbow

I don't know yr engine but our Yanmar says to inspect exhaust elbow every 300 hrs. Doubt that anyone does that but it's an indication it's a problem area.
I replaced it with one I fabricated out of schedule 10 316L ss. Yanmar wanted a kings ransom for their elbow & I know 316L lasts way longer than cast-iron
If you decide to replace yours, assuming the VP D1-30's is cast-iron, I'd try HDI marine or exhaust elbow.com. Will be cheaper & longer lasting.

If you are lucky DougR will chime in on on expected lifespan as he is the CF volvo go to guy
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Old 16-02-2020, 15:23   #3
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Re: VOLVO D1-30 Exhaust Elbow

I would replace it. If it fails it can be bad.
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Old 12-03-2020, 12:28   #4
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Re: VOLVO D1-30 Exhaust Elbow

Hi am looking for two D1 30 stainless elbow in Europe / Greece , any suggested suppliers ?
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Old 12-03-2020, 14:25   #5
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Re: VOLVO D1-30 Exhaust Elbow

HDI marine in Vancouver, WA ,USA sells a cast stainless exhaust elbow for the D1-30 engine. "hdimarine.net"

Parts For Engines in the UK also sell this same elbow, but their site says "out of stock" at the moment. It might pay to contact them......
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Old 12-03-2020, 15:21   #6
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Re: VOLVO D1-30 Exhaust Elbow

For those of you who have gone with a stainless exhaust elbow, did you do anything to avoid galvanic corrosion with the carbon steel it mates to? And did you use stainless connecting hardware?
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Old 12-03-2020, 17:04   #7
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Re: VOLVO D1-30 Exhaust Elbow

Quote:
Originally Posted by DougR View Post
HDI marine in Vancouver, WA ,USA sells a cast stainless exhaust elbow for the D1-30 engine. "hdimarine.net"

Parts For Engines in the UK also sell this same elbow, but their site says "out of stock" at the moment. It might pay to contact them......
Thx I have contacted them , waiting on reply. I think my yard Artemis , contacted them on my behalf and was told none available.
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