Omega Owners Forum - Spark Plugs...

Bixy1 Intermediate Member Offline Dragged through MOT kicking and screaming. Posts: 308 Leeds. West Yorks. Gender: Drives: Astra in storage, using Miggy! http://sbpra.com/derektmorgan	Spark Plugs... 15. Feb 2010 at 23:43 Evening all! This is probably a really silly question but which is best, Vauxhall spark plugs or spurious, ie, NGK, Bosch etc, etc.
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Dave Elite

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Re: Spark Plugs...
Reply #1 - 16. Feb 2010 at 00:23

I alway use Vauxhall ones.
I've tried and fitted the more expensive ones and had no improvement (not that you would expect any) and in some cases poorer running (i.e. Bosch Super 4's)

What you have to consider is that
the Omega engines are pretty efficent so dont have massive cylinder temps unlike say a Turbo car
and the engine management setup really extends the plug life through tight control of timing and mixture

If you check a set of 40K plugs and measure the elctrode gap, it will be pretty much the same as the day it was fitted!

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« Last Edit: 16. Feb 2010 at 00:24 by Dave Elite »

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Andy B Over Active Poster Offline Posts: 21988 Bury Lancs Gender: Drives: 1999 3.0 Elite auto/TDM	Re: Spark Plugs... Reply #2 - 16. Feb 2010 at 00:47 Dave Elite wrote on 16. Feb 2010 at 00:23: ....... If you check a set of 40K plugs and measure the elctrode gap, it will be pretty much the same as the day it was fitted! IMHO You can't sucessfully gap a set of OE plugs due to their design! but I do agree with using Vauxhall plugs ... afterall they're only £15 a set
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chrisgixer Omega King Offline Black ones are faster. Posts: 14570 Wokingham Gender: Drives: "Omega Black" 3.2 Elite. Thanks to Joshwyatt.	Re: Spark Plugs... Reply #3 - 16. Feb 2010 at 02:56 cant beat vx for plugs and oil, esp on trade club, link below for the abs trade club card.
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Bixy1

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Re: Spark Plugs...
Reply #4 - 16. Feb 2010 at 10:29

Interesting! Ok Vx it is then. Thanks lads. A mechanic once told me plugs were important and as a general rule
Champions go in British Leyland, NGK's anything Japanese, Bosch anything German, and AC Delco in Vauxhall.
(This was a long while ago!)
As an aside, my GM engined diesel Astra had NGK heater plugs in and when I changed them for Vx ones starting was much improved! Shocked

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chrisgixer Omega King Offline Black ones are faster. Posts: 14570 Wokingham Gender: Drives: "Omega Black" 3.2 Elite. Thanks to Joshwyatt.	Re: Spark Plugs... Reply #5 - 16. Feb 2010 at 11:37 gm plugs made by bosch, same as you get in halfords for 1/3 the price or something like, just with the gm logo on.
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Marks DTM Calib

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Re: Spark Plugs...
Reply #6 - 16. Feb 2010 at 11:44

Bixy1 wrote on 16. Feb 2010 at 10:29:

Interesting! Ok Vx it is then. Thanks lads. A mechanic once told me plugs were important and as a general rule
Champions go in British Leyland, NGK's anything Japanese, Bosch anything German, and AC Delco in Vauxhall.
(This was a long while ago!)
As an aside, my GM engined diesel Astra had NGK heater plugs in and when I changed them for Vx ones starting was much improved! Shocked

Probably because the old ones were goosed!

More often than not, the Vx OE glow plugs are Beru ones

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Bixy1 Intermediate Member Offline Dragged through MOT kicking and screaming. Posts: 308 Leeds. West Yorks. Gender: Drives: Astra in storage, using Miggy! http://sbpra.com/derektmorgan	Re: Spark Plugs... Reply #7 - 16. Feb 2010 at 11:50 Yes you're right about them being Beru, but the old ones were new! Somebody had changed them just before I bought the car.
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cem Omega King Offline Posts: 13920 Ankara/Turkey Gender: Drives: 97 2.5 V6 Manual CD- Clio Sport	Re: Spark Plugs... Reply #8 - 16. Feb 2010 at 12:23 I've tried Bosch and NGK.. all 4 electrode models.. and although NGKs are expensive I prefer them anyday.. and using them in both cars..
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Bixy1 Intermediate Member Offline Dragged through MOT kicking and screaming. Posts: 308 Leeds. West Yorks. Gender: Drives: Astra in storage, using Miggy! http://sbpra.com/derektmorgan	Re: Spark Plugs... Reply #9 - 16. Feb 2010 at 18:32 I'm impressed! Main Dealer parts cheaper than motor factors. 4 plugs, part no 9195109 GM branded, £14.92. Goody! Not so good, bottom of rubber plug lead breaking off on 1 & 2. That was fun digging the bits out! New plug leads then.........
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Kevin Wood

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Re: Spark Plugs...
Reply #10 - 16. Feb 2010 at 23:23

Bixy1 wrote on 16. Feb 2010 at 18:32:

I'm impressed! Shocked

Main Dealer parts cheaper than motor factors. 4 plugs, part no 9195109 GM branded, £14.92. Thumbs Up!

Goody!
Not so good, bottom of rubber plug lead breaking off on 1 & 2. That was fun digging the bits out! Sad

New plug leads then.........

Not such a nice price from the main dealer for these! Worth shopping around a bit. Thumbs Up!

Kevin

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chrisgixer

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Re: Spark Plugs...
Reply #11 - 17. Feb 2010 at 00:14

Kevin Wood wrote on 16. Feb 2010 at 23:23:

Bixy1 wrote on 16. Feb 2010 at 18:32:

I'm impressed! Shocked

Main Dealer parts cheaper than motor factors. 4 plugs, part no 9195109 GM branded, £14.92. Thumbs Up!

Goody!
Not so good, bottom of rubber plug lead breaking off on 1 & 2. That was fun digging the bits out! Sad

New plug leads then.........

Not such a nice price from the main dealer for these! Worth shopping around a bit. Thumbs Up!

Kevin

plug leads, 90 a side is it?
wishbones 230 a side?
springs 200 odd a pair depending on model iirc?
rediculous prices...

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Bixy1 Intermediate Member Offline Dragged through MOT kicking and screaming. Posts: 308 Leeds. West Yorks. Gender: Drives: Astra in storage, using Miggy! http://sbpra.com/derektmorgan	Re: Spark Plugs... Reply #12 - 19. Feb 2010 at 19:28 No choice but to change the plug leads now, a slight misfire has started. Can anybody recomend a good place to buy some? Thanks all.
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Richard A Senior Member Offline Posts: 902 Aldridge, West Midlands Gender: Drives: 1998 2.5 petrol Elite	Re: Spark Plugs... Reply #13 - 19. Feb 2010 at 20:23 Just fitted new leads, V6 Omega£24.98 delivered, great quality, lengths all a bit long, but not a problem, ebay. regards richard a
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Bixy1 Intermediate Member Offline Dragged through MOT kicking and screaming. Posts: 308 Leeds. West Yorks. Gender: Drives: Astra in storage, using Miggy! http://sbpra.com/derektmorgan	Re: Spark Plugs... Reply #14 - 19. Feb 2010 at 20:58 Sounds good. Price seem to vary from £104 to £14.99! Whats going on there then??
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