SeanXE
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Registered: 17th Jan 09
Location: Luton
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Just asking this for a mate, he has a Astra G 1.6 8v and wants to make some small mod to his engine, what are the advantages of iridium sparks plugs? I might also get some if it makes a difference 
Thanks, Sean.
[Edited on 02-04-2009 by S7M XE]
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John
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Registered: 30th Jun 03
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Absolutely no difference whatsoever.
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Adam_B
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Registered: 13th Dec 00
Location: Lancashire
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Wont make any difference on that car performance wise. Only advantage would be the longer service intervals, but then again you can pay around 4x as much for iridiums over standards. I wouldnt bother.
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Warren G
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Registered: 14th May 06
Location: Kent
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iv got some, was told 5bhp about,
might make 10bhp on a 1.6 8v? what they 65bhp standard?
[Edited on 01-04-2009 by Warren G]
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SeanXE
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Registered: 17th Jan 09
Location: Luton
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Also he was told an air intake from a Vectra C diesel would make it faster too anyone know about this?
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SeanXE
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Registered: 17th Jan 09
Location: Luton
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quote:
Originally posted by Warren G
iv got some, was told 5bhp about,
might make 10bhp on a 1.6 8v? what they 65bhp standard?
[Edited on 01-04-2009 by Warren G]
85bhp standard
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John
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Registered: 30th Jun 03
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It won't make it any faster.
What would the iridiums give me on my 1.9tdi, about 5bhp?
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Adam_B
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Registered: 13th Dec 00
Location: Lancashire
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quote:
Originally posted by John
What would the iridiums give me on my 1.9tdi, about 5bhp?
Id say they would loose you power  quite a lot
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richc
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Registered: 24th Mar 07
Location: Ilkeston
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quote:
Originally posted by Adam_B
quote:
Originally posted by John
What would the iridiums give me on my 1.9tdi, about 5bhp?
Id say they would loose you power quite a lot
Waits for a sarcastic remark which he then turns around on you 
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Adam_B
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Registered: 13th Dec 00
Location: Lancashire
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Im fully aware John is taking the piss though Oh this has gone so wrong 
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John
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Registered: 30th Jun 03
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Do diesels not have spark plugs
Yes I was kidding.
Is Warren kidding about 5 and 10 bhp from sparkplugs?
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Adam_B
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Registered: 13th Dec 00
Location: Lancashire
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I hope so......
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RioVerde
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Registered: 23rd Apr 06
Location: Spondon, Derby
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be better offer spending the money on better quality toilet paper while fantasising over max power
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RioVerde
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Registered: 23rd Apr 06
Location: Spondon, Derby
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wiping ya arse i mean
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lil_g
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Registered: 29th Oct 06
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As said plugs will make no difference bar service intervals, a GM set would be sufficient.
I think the vectra C intake pipe has a larger bore, there would be gains, but they would be so minimum you would not notice them on the road.
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Stu
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Registered: 3rd May 00
Location: Madchester UK Drives: 2014 BMW M135i
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Only point to Iridium spark plugs is that they are a colder grade! Only any good in modded turbo cars where engine temps are up so the plug doesnt melt! A strong spark is also a bonus in this situation so it doesnt get blown out!
Wont make ANY difference in a 1.6 NA engine!
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davcohen
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Registered: 1st Nov 03
Location: North London
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quote:
Originally posted by lil_g
I think the vectra C intake pipe has a larger bore, there would be gains, but they would be so minimum you would not notice them on the road.
This is true he read that on astra owners club its deff a worthwhile mod although it would not really instantly add bhp but rather allow more air to flow into the airbox
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SeanXE
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Registered: 17th Jan 09
Location: Luton
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Not getting any help on the astra owners club, alot more help on here tbh 
When you say the vectra C air intake is a worthwhile mod but wont make anymore bhp, what will be the advantages of it?
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John
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Registered: 30th Jun 03
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It won't make any difference at all on a 1.6 8v, there will be no advantage.
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SeanXE
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Registered: 17th Jan 09
Location: Luton
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quote:
Originally posted by John
It won't make any difference at all on a 1.6 8v, there will be no advantage.
Ok thanks mate
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John
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Registered: 30th Jun 03
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I've done more than a few of these things myself.
The best you get is normally kidding yourself on it's made it better.
Wouldn't stop anybody doing it, it's part of the learning process for everybody.
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Warren G
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Registered: 14th May 06
Location: Kent
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1.6 8v is the most shittest engine, its so slow and gutless, and i dought it even has 85bhp
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Ben J
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Registered: 31st Jan 05
Location: Cheshire
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I put Iridiums on the Vixxer. Made no noticeable difference.
Definatley not worth it on a 1.6 8v.
If he wants a cheap, small mod a performance panel filter/ made be a better idea. May give a slight change in exhaust note and maybe 1-2 bhp......maybe!
[Edited on 03-04-2009 by Ben J]
[Edited on 03-04-2009 by Ben J]
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