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18 November 2010, 11:27
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#1
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Member
Country: UK - England
Town: I.O.W
Boat name: Leeway
Make: leeway 730
Length: 7m +
Engine: 250hp = 73mph :0)
Join Date: Jan 2005
Posts: 345
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WANTED 115hp mercury/mariner optimax ecu
Looking for a 115hp merc/mariner optimax ecu needs to be in working order.
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18 November 2010, 11:51
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#2
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Member
Country: UK - Wales
Town: N Wales Chester
Boat name: Mr Smith
Make: Humber
Length: 6m +
Join Date: Feb 2009
Posts: 5,238
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presume you are trying to upgrade a 75 or 90?
If so, if you get one, i'm sure a few on here would be interested to see if there are any other parts that need changing and how you get on.
I was told when purchasing a v6, the ecu was the only difference.
Same for the 135 150 175 V6 range.
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18 November 2010, 13:14
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#3
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Member
Country: UK - Wales
Town: West Wales
Make: Vipermax 5.8, SR4.7
Length: 5m +
Engine: 150 Opti, F50EFi
Join Date: Sep 2005
Posts: 6,299
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Quote:
Originally Posted by HUMBER P4VWL
I was told when purchasing a v6, the ecu was the only difference.
Same for the 135 150 175 V6 range.
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175 has a different block to the 135/150 Opti.
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18 November 2010, 13:20
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#4
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Member
Country: UK - England
Town: Looe
Make: Delta
Length: 4m +
Engine: Mercury
Join Date: Apr 2004
Posts: 1,409
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Quote:
Originally Posted by Downhilldai
175 has a different block to the 135/150 Opti.
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I have one!
Give me a call or PM. Its brand new in box.
01503 265898
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18 November 2010, 14:26
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#5
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Member
Country: UK - Wales
Town: N Wales Chester
Boat name: Mr Smith
Make: Humber
Length: 6m +
Join Date: Feb 2009
Posts: 5,238
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TurboDiesel - sorry, it's leeway in the OP who is after an ECU and wants one for a 115
DHD - RE the 135, 150 and 175 block, it is my understanding they are all the 2.5L V6 engine. Or do you mean three is a slight difference in the block, perhaps bored out or something as well as a different ECU? I'm curious now. The 175 was always priced a lot higher than the 150.
Or do you mean at present the only 175 is the four stroke? obviously different. As shown below.
http://www.mercurymarine.com/engines/outboards/
The 200 and 225 etc were a 3.0L block, different again.
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18 November 2010, 15:01
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#6
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Member
Country: UK - Wales
Town: West Wales
Make: Vipermax 5.8, SR4.7
Length: 5m +
Engine: 150 Opti, F50EFi
Join Date: Sep 2005
Posts: 6,299
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Quote:
Originally Posted by HUMBER P4VWL
DHD - RE the 135, 150 and 175 block, it is my understanding they are all the 2.5L V6 engine. Or do you mean three is a slight difference in the block, perhaps bored out or something as well as a different ECU? I'm curious now. The 175 was always priced a lot higher than the 150.
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The 135, 150 & 175 are all 2.5 litre V6 blocks, but the 175 is physically different (I'm not sure to what degree), so it isn't simply a matter of changing the ECU to convert a 135/150 to 175hp. I'm not sure what, if any, hp increase would be achieved by fitting a 175 ECU to a 135 or 150 Opti. If you lob your ECU in the post to me, I could give it a few test runs on the river to find out?
AFAIK, upgrading a 135 Opti to 150hp only involves an ECU swap, but the 135 lower unit has a different ratio to the 150, not that this has any bearing on horsepower.
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18 November 2010, 19:36
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#7
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Member
Country: UK - England
Town: I.O.W
Boat name: Leeway
Make: leeway 730
Length: 7m +
Engine: 250hp = 73mph :0)
Join Date: Jan 2005
Posts: 345
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Quote:
Originally Posted by HUMBER P4VWL
presume you are trying to upgrade a 75 or 90?
If so, if you get one, i'm sure a few on here would be interested to see if there are any other parts that need changing and how you get on.
I was told when purchasing a v6, the ecu was the only difference.
Same for the 135 150 175 V6 range.
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no not upgrading, i have a swamped 115hp and most of the electrics died. i know there are differances between 75/90/115 but dont know all the ins and outs sorry!
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18 November 2010, 19:43
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#8
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Member
Country: UK - England
Town: I.O.W
Boat name: Leeway
Make: leeway 730
Length: 7m +
Engine: 250hp = 73mph :0)
Join Date: Jan 2005
Posts: 345
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Quote:
Originally Posted by Turbodiesel
I have one!
Give me a call or PM. Its brand new in box.
01503 265898
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I will give you a ring tomorrow as just seen your message and its late
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18 November 2010, 19:52
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#9
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RIBnet admin team
Country: Ireland
Length: 4m +
Join Date: Feb 2008
Posts: 14,910
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Quote:
Originally Posted by LeewayComposite
i have a swamped 115hp and most of the electrics died.
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Just a Splash or totally sunk?
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18 November 2010, 20:04
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#10
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Redbay supporter
Country: UK - England
Town: onn de moov
Boat name: bote
Make: kevvin
Length: 4m +
Engine: jett dryve
Join Date: Jan 2010
Posts: 455
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Quote:
Originally Posted by willk
Just a Splash
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yew shudunt yewse de 'S' werd yew norty leprecorn
gow an doo sum rivverdansin orr sumfink
Quote:
Originally Posted by willk
or totally sunk?
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mynor problum
transum fel orf.
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fuk mee crismus leeve wiv noe ankul tagg
Wher doo I beegin?😃
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18 November 2010, 20:09
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#11
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RIBnet admin team
Country: Ireland
Length: 4m +
Join Date: Feb 2008
Posts: 14,910
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Quote:
Originally Posted by wiLlfish
gow an doo sum rivverdansin orr sumfink
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...are you following me?
Shoo!
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18 November 2010, 20:52
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#12
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Member
Country: UK - England
Town: Looe
Make: Delta
Length: 4m +
Engine: Mercury
Join Date: Apr 2004
Posts: 1,409
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Optis wont run very well with the wrong ECU i tried it a while back!!!.
This is me running a 150hp opti with the wrong ecu, high speed missfire at the end of the clip!.
And before you say it, its running on a Dyno!!
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18 November 2010, 21:04
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#13
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Member
Country: UK - Wales
Town: West Wales
Make: Vipermax 5.8, SR4.7
Length: 5m +
Engine: 150 Opti, F50EFi
Join Date: Sep 2005
Posts: 6,299
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Hmmm, Sidmouth lifeboat & Optimax. Brings back memories ...........
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19 November 2010, 11:19
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#14
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Member
Country: UK - England
Town: I.O.W
Boat name: Leeway
Make: leeway 730
Length: 7m +
Engine: 250hp = 73mph :0)
Join Date: Jan 2005
Posts: 345
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Quote:
Originally Posted by willk
Just a Splash or totally sunk?
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I bought it as insurance wright off due to it being sunk. was washed through with oil when retrieved so really luckly! stripped it and all is good apart from electrics :0( i'll replace all bearings to be safe..
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