Whilst investigating a miss-fire recently ( located to a poorly fitted No 3 HT lead in the dizzy cap) I was told that spark plugs no longer have their ceramic tip coated. This is OK in modern lean burn engines but not for our conventional technology engines. The lack of a coating ultimately allows them to absorb fuel which in turn will allow them to miss fire as the spark will not be concentrated at the tip as needed.
So those 15,000 + miles between plug changes may soon become a long forgotten luxury.
I have no idea if this is fact but it came from a respected source so you have been warned.
Peter C
Another Retrograde step
Another Retrograde step
Last edited by peterc on Tue Oct 20, 2020 9:45 pm, edited 1 time in total.
- StewbieC
- T289R Committee
- Posts: 1361
- Joined: Mon Oct 13, 2008 12:50 pm
- Location: out in the sticks, Shropshire
Re: Another Retrograde step
I change my plugs when I change the oil. They're not that expensive and it takes all of 10 minutes. I normally keep a set of eight on the shelf too.
I do need to go to the tip and get rid of some batteries, I've had the Quad, Fergie and Landy all go within a few months. They are all sealed units so the distilled water can't be topped up. At least you get the click, click, click, click warning when they are stuffed (got two Cteks and even with a couple of desulfication runs they are still no good).
I do need to go to the tip and get rid of some batteries, I've had the Quad, Fergie and Landy all go within a few months. They are all sealed units so the distilled water can't be topped up. At least you get the click, click, click, click warning when they are stuffed (got two Cteks and even with a couple of desulfication runs they are still no good).
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Stu
Hawk 289, 66 Mustang Fastback with a 289 maximum smiles per mile..
Stu
Hawk 289, 66 Mustang Fastback with a 289 maximum smiles per mile..
Re: Another Retrograde step
You must do far more miles per year than me. it wouldn’t be worthwhile changing the plugs at each oil change on my low mileage with the Cobra.
Following advice from the supplier of my first battery, I leave my Optimate battery conditioner permanently connected. It ensures that the battery is kept in top condition and not drained by the car alarm and clock.
That first battery lasted 15 years and others I have spoken to all expect a lifetime of over 10 years.
Having said that it’s replacement only lasted 5 years despite the same treatment. Advice suggests that 5 years is the norm for a car battery.
Peter C
Following advice from the supplier of my first battery, I leave my Optimate battery conditioner permanently connected. It ensures that the battery is kept in top condition and not drained by the car alarm and clock.
That first battery lasted 15 years and others I have spoken to all expect a lifetime of over 10 years.
Having said that it’s replacement only lasted 5 years despite the same treatment. Advice suggests that 5 years is the norm for a car battery.
Peter C
- nikbj68
- T289R Member
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- Contact:
Re: Another Retrograde step
Can’t you ‘weigh in’ your batteries, Stu? I got £11 each for the last couple I took!
Hawk 289 FiA...AT LAST!!!
Re: Another Retrograde step
That would explain why they were more than happy to dispose of my old battery.
Peter C
Peter C
- StewbieC
- T289R Committee
- Posts: 1361
- Joined: Mon Oct 13, 2008 12:50 pm
- Location: out in the sticks, Shropshire
Re: Another Retrograde step
Thanks Kev, I'll give it a go.
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Stu
Hawk 289, 66 Mustang Fastback with a 289 maximum smiles per mile..
Stu
Hawk 289, 66 Mustang Fastback with a 289 maximum smiles per mile..