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Old 19 November 2006, 10:58   #1
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Largest diesel in 6-7m.

Does anyone have any idea what is the most powerful diesel engine you could reasonably fit in a 6-7m RIB?
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Old 19 November 2006, 11:31   #2
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The options we had were Mercruiser 1.7 into a 6m boat or Volvo D3 in a 7.5m
Would of thought the Volvo could go in a 7m and now that its up to 190bhp that'd be a fast combo!

Alternatives could be the Volkswagen Marine 2.0 Tdi, seen adverts for them, haven't heard of them in a boat yet though.
Also been talk of BMW providing blocks for Yanmar, so that could be another fantastic 2 or 3 litre engine.

Harry
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Old 19 November 2006, 11:50   #3
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have seen the vw in an arvor fishing boat. looked quite neat.
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Old 19 November 2006, 12:34   #4
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I have the Mercruiser 4.2 (320HP) with B1 in my Parker 750RS
Speed 47 knots
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Old 19 November 2006, 13:33   #5
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How reliable is your mercruiser Andre?
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Old 19 November 2006, 15:35   #6
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If I were looking at a compact diesel I would seriously consider steyr.

http://www.steyr-motors.com/products/pdf/164_E.pdf

About the same size as the mercruiser, but a lot more power (more money as well).

Nick.
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Old 20 November 2006, 03:48   #7
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Quote:
Originally Posted by moby nick View Post
How reliable is your mercruiser Andre?
My engine has done 96 hours and is now having it's first service. I had a problem when taking part in the Weymouth cruise and first put this down to contaminated fuel. As it happens it was an electrical problem due to fauly plug on engine harness. We have fitted a lot Mercruiser diesel engines but this problem was the first of the kind.
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Old 20 November 2006, 15:19   #8
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Looks like we could be building three 6m with diesel and waterjet combos, these are not being built for speed though!!
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Old 20 November 2006, 17:52   #9
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New Yanmar

Moby

the new yanmar/BMW has been offered to me when looking at upgrade options recently.

Check the yanmar agents.

Rgds
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Old 20 November 2006, 18:12   #10
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Quote:
Originally Posted by nik View Post
If I were looking at a compact diesel I would seriously consider steyr.

http://www.steyr-motors.com/products/pdf/164_E.pdf

About the same size as the mercruiser, but a lot more power (more money as well).

Nick.
Looks like a messy cam-belt change. My Merc 1.7 looks to be a doddle, although it'll be quite a while until thats due a change (Gonna do it at 300 hour sto be safe)
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