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[laney101]

Are all v6 spark plugs the same 2.5,2.6.3.0,3.2

4 prong spark plugs ??

[Kevin Wood]

4 electrode plugs were only specified for the 2.6 and 3.2 due to the longer service intervals, but they can be fitted to the other v6s and likewise so can the 2 electrode plugs. There isn't really much to choose between them since the 4 electrode plugs generally work loose before their service interval anyway!

[Diamond Black Geezer]

Seem to think I asked this a while back.

the later (2.6, 3.2) engines have four electrode sparkies. It's literally extending the service life, nothing to do with a 'better' or 'stronger' spark. A spark is a spark, a spark ignites the fuel/air mix, and that's it. But having two, or four electrodes means the wear on said electrodes is halved/quartered. 

[Diamond Black Geezer]

wot 'e said!!   

[Doctor Gollum]

4 electrode plugs were only specified for the 2.6 and 3.2 due to the longer service intervals, but they can be fitted to the other v6s and likewise so can the 2 electrode plugs. There isn't really much to choose between them since the 4 electrode plugs generally work loose before their service interval anyway!

But if you insist on leaving them in that long... used to change mine every 20k

[laney101]

I do mine every other service .. can get six two prongs ngk for like 20 quid so every two years for me which is only 14-16k


4 prong ones seem exspensive

I got trade card and cheap from vauxhall but local dealership doesnt accept it so i have to travel to use it

[Doctor Gollum]

Any Vauxhall dealer should haggle... trade card or not... genuine four electrode plugs should be had for less than £3

[Kevin Wood]

4 electrode plugs were only specified for the 2.6 and 3.2 due to the longer service intervals, but they can be fitted to the other v6s and likewise so can the 2 electrode plugs. There isn't really much to choose between them since the 4 electrode plugs generally work loose before their service interval anyway!

But if you insist on leaving them in that long... used to change mine every 20k

I tend to change them with every cam belt change, because they easily last 40k.

[Nick W]

I do mine every other service .. can get six two prongs ngk for like 20 quid so every two years for me which is only 14-16k

I do that too, as I've never been a believer in longlife plugs. When I remember, I do pay the extra few pence for NGK rather than the factors Bosch default. That's a brand preference that I struggle to justify rationally, but a set of six was only about £15. That was almost two years ago, so I suspect they're more expensive now.

On my 525 the plugs were a more noticeable indicator than the dashboard one: just before the last light went out at about 6000miles the engine would start to misfire due to the back two plugs failing. The one set of Densos I fitted lasted about 2000miles, and I won't buy them now.

[Sir Tigger KC]

I've always used these. 

http://www.ebay.co.uk/itm/271231974958?_trksid=p2060353.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT

[laney101]

Thats the ones im thinking of

Euro got a offer on at moment

Denso 2 prong set of six 15.52. Inc vat
Product code 408775340 says for 3.0

 When i put in reg for my 3.2
Denso 2 plugs for six are 18.31 inc vat
And product code changes to
408775310

 Though they would be same

Can anyone shed light

Thinking of just getting ngk ones of ebay haha

[Doctor Gollum]

Starter for ten...

http://www.ebay.co.uk/itm/GENUINE-VAUXHALL-SPARK-PLUGS-X-10-PART-NO-93176801-FITS-MANY-NEW-BARGAIN-/281836692346?hash=item419ec6a37a:g:eQYAAOSwAYtWKjzx

Cross check part numbers though

[laney101]

Dont know how to cross reference part numbers haha

[biggriffin]

Ngk 2. Prong. All ways.