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07 October 2013, 14:31
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#1
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Member
Country: UK - Scotland
Town: Girvan & Tayvallich
Boat name: Breawatch
Make: Ribcraft
Length: 5m +
Engine: Mercury 150 F/stroke
MMSI: ex directory!!
Join Date: Sep 2008
Posts: 6,203
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Yearly plug puzzler
Every year about this time I look at new plugs for my OB a 150hp V6 Mariner 2 stroke. Its the same story the 'Z' NGK plugs are £9.58 but the non 'Z' ones are £4.64
I was always told to put the 'Z 'type in as I would not hear my VHF
Intrested in others views and practice as its costly with a V6
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jambo
'Carpe Diem'
Member of the ebay Blue RIB cover club
Member of SABS ( Scottish West Division)
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07 October 2013, 15:05
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#2
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RIBnet admin team
Country: Ireland
Length: 4m +
Join Date: Feb 2008
Posts: 14,870
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Interesting. Well, you could try a set and test it? If they're pants you could just run the old plugs for an extra season and keep the non-Zs as backups? Can you access all the plugs without stripping cowls etc?
See, I'm very mean, and I'd be running a timer on those expensive plugs to get every last spark out of them...
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07 October 2013, 15:14
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#3
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Member
Country: UK - Scotland
Town: Girvan & Tayvallich
Boat name: Breawatch
Make: Ribcraft
Length: 5m +
Engine: Mercury 150 F/stroke
MMSI: ex directory!!
Join Date: Sep 2008
Posts: 6,203
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Quote:
Originally Posted by willk
Interesting. Well, you could try a set and test it? If they're pants you could just run the old plugs for an extra season and keep the non-Zs as backups? Can you access all the plugs without stripping cowls etc? See, I'm very mean, and I'd be running a timer on those expensive plugs to get every last spark out of them...
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Good point W. I've just blindly renewed them every year. Probably could get two years plus from them as I don't do a lot of hours. When I fogged the engine last week the plugs were like new when I put them in in May. As you know I had issues this summer and only did 20 hours
Cheers
B
Sent from my iPhone using Rib.net
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jambo
'Carpe Diem'
Member of the ebay Blue RIB cover club
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07 October 2013, 18:12
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#4
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Member
Country: UK - England
Town: Chorley / Holyhead
Boat name: Northwind Challenger
Make: Tornado
Length: 6m +
Engine: Mariner 115 efi CT
MMSI: 235080598
Join Date: Jun 2011
Posts: 1,411
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by all means keep the non z plugs as spares, but you will have problems with buzzing on your radio - ive done it with two different engines, the second engine came with non z plugs and i ended up changing them. as for cost, check out ebay as ive saved a fortune in the last couple of years buying off suppliers who happen to have good prices at the time.
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08 October 2013, 14:00
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#5
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Member
Country: UK - England
Town: bicester
Length: no boat
Engine: outboard only
Join Date: Feb 2009
Posts: 913
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The Z is telling you that it is a resisted spark plug, it helps/stops electrical interferance.
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08 October 2013, 15:51
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#6
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Member
Country: UK - Scotland
Town: Girvan & Tayvallich
Boat name: Breawatch
Make: Ribcraft
Length: 5m +
Engine: Mercury 150 F/stroke
MMSI: ex directory!!
Join Date: Sep 2008
Posts: 6,203
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Quote:
Originally Posted by uncle al
The Z is telling you that it is a resisted spark plug, it helps/stops electrical interferance.
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Appreciate that Al but it's a hell'va price to pay for suppression !!
Cheers
J
Sent from my iPhone using Rib.net
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jambo
'Carpe Diem'
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08 October 2013, 17:47
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#7
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Member
Country: UK - England
Town: Sticks, N.Yorks
Boat name: Tamanco
Make: Honwave 3.5AE
Length: 3m +
Engine: Tohatsu Outboard
Join Date: May 2012
Posts: 1,175
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Unless they're giving problems why scrap them ? Surely better to carry a couple of new spares in case of a failure.
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08 October 2013, 20:32
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#8
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RIBnet supporter
Country: UK - England
Town: Rutland
Length: no boat
Join Date: May 2006
Posts: 2,500
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Quote:
Originally Posted by jambo
Every year about this time I look at new plugs for my OB a 150hp V6 Mariner 2 stroke. Its the same story the 'Z' NGK plugs are £9.58 but the non 'Z' ones are £4.64
I was always told to put the 'Z 'type in as I would not hear my VHF
Intrested in others views and practice as its costly with a V6
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It's £30 ish, even at 20 hours the £1.50 extra hourly rate is not worth bothering about is it ?
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08 October 2013, 20:59
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#9
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Member
Country: UK - Scotland
Town: Girvan & Tayvallich
Boat name: Breawatch
Make: Ribcraft
Length: 5m +
Engine: Mercury 150 F/stroke
MMSI: ex directory!!
Join Date: Sep 2008
Posts: 6,203
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Quote:
Originally Posted by bedajim
It's £30 ish, even at 20 hours the £1.50 extra hourly rate is not worth bothering about is it ?
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Hi I agree that overall taking the cost of ribbing over a season £30 is not much. I was just interested in other views and practice.
Sent from my iPhone using Rib.net
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jambo
'Carpe Diem'
Member of the ebay Blue RIB cover club
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08 October 2013, 21:04
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#10
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Member
Country: UK - England
Town: Ashton-under-Lyne Lancs
Boat name: IMOGEN
Make: Air-Craft 5.4
Length: 5m +
Engine: Suzuki df70a
MMSI: 235087492
Join Date: May 2010
Posts: 7,078
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Quote:
Originally Posted by jambo
Hi I agree that overall taking the cost of ribbing over a season £30 is not much. I was just interested in other views and practice.
Sent from my iPhone using Rib.net
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Nothing to do with being a Scotsman then Billy
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08 October 2013, 21:10
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#11
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Member
Country: USA
Town: Seattle
Boat name: Water Dog
Make: Polaris
Length: 4m +
Engine: Yamaha 60hp
Join Date: Apr 2007
Posts: 1,152
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Quote:
Originally Posted by jambo
Hi I agree that overall taking the cost of ribbing over a season £30 is not much. I was just interested in other views and practice.
Sent from my iPhone using Rib.net
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I think I have replaced mine once at ~125 hrs. 220 hrs over the last 7 years or so. But I have a 4 stroke and its running fine. I don't see any reason to replace plugs if its running well and they don't have that many hours on them.
I did get the exact replacement plug. I have no idea about the relative cost compared to a non-resistor plug etc. At the time they didn't seem rediculously expensive so I just got them.
Personally I'd rather have exactly the right plug and go a little longer on them vs replacing them frequently with the incorrect type.
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08 October 2013, 22:15
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#12
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Member
Country: UK - Scotland
Town: Girvan & Tayvallich
Boat name: Breawatch
Make: Ribcraft
Length: 5m +
Engine: Mercury 150 F/stroke
MMSI: ex directory!!
Join Date: Sep 2008
Posts: 6,203
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Quote:
Originally Posted by kerny
Nothing to do with being a Scotsman then Billy
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You know me to well We won't mention City or WBA then will we!!Sent from my iPhone using Rib.net
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jambo
'Carpe Diem'
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08 October 2013, 22:20
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#13
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Member
Country: UK - England
Town: Ashton-under-Lyne Lancs
Boat name: IMOGEN
Make: Air-Craft 5.4
Length: 5m +
Engine: Suzuki df70a
MMSI: 235087492
Join Date: May 2010
Posts: 7,078
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Quote:
Originally Posted by jambo
You know me to well We won't mention City or WBA then will we!!Sent from my iPhone using Rib.net
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Teething problems Moyes is good for the job, give him a chance, he has just got to find his feet and establish his authority.
p.s. got a works season ticket as well
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Member of S.A.B.S. (Lancashire Division)
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08 October 2013, 23:20
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#14
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Member
Country: UK - Scotland
Town: Girvan & Tayvallich
Boat name: Breawatch
Make: Ribcraft
Length: 5m +
Engine: Mercury 150 F/stroke
MMSI: ex directory!!
Join Date: Sep 2008
Posts: 6,203
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[QUOTE="kerny;574454"] Teething problems Moyes is good for the job, give him a chance, he has just got to find his feet and establish his authority. p.s. got a works season ticket as well [/QUOT
Yes I agree he will okay.
Sent from my iPhone using Rib.net
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jambo
'Carpe Diem'
Member of the ebay Blue RIB cover club
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09 October 2013, 07:41
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#15
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RIBnet supporter
Country: UK - England
Town: Rutland
Length: no boat
Join Date: May 2006
Posts: 2,500
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Quote:
Originally Posted by jambo
Hi I agree that overall taking the cost of ribbing over a season £30 is not much. I was just interested in other views and practice.
Sent from my iPhone using Rib.net
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Ok I'd change them and keep the old set as spares why risk the enjoyment of your limited time on the water, and go for the resistor type as the radio could be your best friend one day
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09 October 2013, 08:17
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#16
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RIBnet admin team
Country: Ireland
Length: 4m +
Join Date: Feb 2008
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Quote:
Originally Posted by kerny
Nothing to do with being a Scotsman then Billy
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At least he's not too tight to take out a RIBnet Supporter Membership
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09 October 2013, 09:01
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#17
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Member
Country: UK - England
Town: Wild West
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Make: No Boat
Length: under 3m
Join Date: Jan 2008
Posts: 5,305
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Quote:
Originally Posted by captnjack
I think I have replaced mine once at ~125 hrs. 220 hrs over the last 7 years or so. But I have a 4 stroke and its running fine. I don't see any reason to replace plugs if its running well and they don't have that many hours on them.
I did get the exact replacement plug. I have no idea about the relative cost compared to a non-resistor plug etc. At the time they didn't seem rediculously expensive so I just got them.
Personally I'd rather have exactly the right plug and go a little longer on them vs replacing them frequently with the incorrect type.
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May have something to do with the Type of Remote areas and Conditons a lot of us(Especialy Jambo and pals !) do our Boating in... Does tend to make you A ''Belt and Brace's'' sort of Ribber ...even in a Kilt!
I'd go with Bedejim on this one Billy
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A Wise Man learns by other people's!
The Road to HELL ..is Paved with "Good inventions!"
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09 October 2013, 10:41
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#18
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Member
Country: UK - England
Town: Ashton-under-Lyne Lancs
Boat name: IMOGEN
Make: Air-Craft 5.4
Length: 5m +
Engine: Suzuki df70a
MMSI: 235087492
Join Date: May 2010
Posts: 7,078
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Quote:
Originally Posted by willk
At least he's not too tight to take out a RIBnet Supporter Membership
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Tbh I have nearly took it out on a couple off ocassions but then decided that for now it was better to put in on a a couple of charitys that were going on here
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09 October 2013, 11:18
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#19
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Member
Country: UK - England
Town: West Bromwich
Boat name: Ellie V
Make: Excel Voyager 520
Length: 5m +
Engine: Evinrude 75 HP
MMSI: 235 908 287
Join Date: May 2012
Posts: 689
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Quote:
Originally Posted by captnjack
I think I have replaced mine once at ~125 hrs. 220 hrs over the last 7 years or so. But I have a 4 stroke and its running fine. I don't see any reason to replace plugs if its running well and they don't have that many hours on them.
I did get the exact replacement plug. I have no idea about the relative cost compared to a non-resistor plug etc. At the time they didn't seem rediculously expensive so I just got them.
Personally I'd rather have exactly the right plug and go a little longer on them vs replacing them frequently with the incorrect type.
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+1
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09 October 2013, 11:19
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#20
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RIBnet admin team
Country: Ireland
Length: 4m +
Join Date: Feb 2008
Posts: 14,870
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Quote:
Originally Posted by kerny
Tbh I have nearly took it out on a couple off ocassions but then decided that for now it was better to put in on a a couple of charitys that were going on here
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Is there a second verse?
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