Yearly plug puzzler

[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

[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...

[jambo]

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...

.

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

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[Festinghouse]

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.

[uncle al]

The Z is telling you that it is a resisted spark plug, it helps/stops electrical interferance.

[jambo]

Originally Posted by uncle al

The Z is telling you that it is a resisted spark plug, it helps/stops electrical interferance.

Appreciate that Al but it's a hell'va price to pay for suppression !!
Cheers
J

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[paddlers]

Unless they're giving problems why scrap them ? Surely better to carry a couple of new spares in case of a failure.

[bedajim]

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

It's £30 ish, even at 20 hours the £1.50 extra hourly rate is not worth bothering about is it ?

[jambo]

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 ?

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.

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[kerny]

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.

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Nothing to do with being a Scotsman then Billy

[captnjack]

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.

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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.

[jambo]

Originally Posted by kerny

Nothing to do with being a Scotsman then Billy

You know me to well We won't mention City or WBA then will we!!Sent from my iPhone using Rib.net

[kerny]

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

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

[jambo]

[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.

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[bedajim]

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

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

[willk]

Originally Posted by kerny

Nothing to do with being a Scotsman then Billy

At least he's not too tight to take out a RIBnet Supporter Membership

[Maximus]

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.

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

[kerny]

Originally Posted by willk

At least he's not too tight to take out a RIBnet Supporter Membership

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

[steco1958]

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.

+1

[willk]

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

Is there a second verse?

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