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Location:
Sydney
Registered:
March 2003
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Spark Plugs
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Thu, 30 October 2003 23:28
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Hey guys, what spark plugs do you guys reccomend for my car?
Budget, no problem, what will give the best performance??
Car is an IS200.
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Location:
Brisbane
Registered:
May 2002
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Re: Spark Plugs
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Fri, 31 October 2003 01:18
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Whatever the factory recommends will be just fine. There are no performance gains to be had with spark plugs, despite what some people will try to tell you.
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Location:
Adelaide
Registered:
September 2003
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Re: Spark Plugs
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Fri, 31 October 2003 01:26
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Agree with Norbs. The only advantage with Platinum plugs is that you'll go faster as your wallet is lighter  Same goes for some of these mega-buck ignition systems that the yanks love. AWOFMIMHO, FWIW 
People who spend $150 bucks on plugs swear that they can feel the difference when they drive it 
Even with 10kW difference, the 'ol bum dyno isn't that sensitive.
Above all, make sure the plugs are uin good nick, the right heat range, and most of all the correct gap, and you'll be laughing 
Michael B
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: Spark Plugs
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Fri, 31 October 2003 01:30
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| bbaacchhyy wrote on Fri, 31 October 2003 09:26 |
Even with 10kW difference, the 'ol bum dyno isn't that sensitive.
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Haha, when you're dealing with 67kW total a difference like that is noticable! 
Seriously though, these guys are right, the only real way you'll notice a performance difference is if there is something wrong with your plugs in the first place.
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Location:
Eskilstuna, Sweden
Registered:
May 2002
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Re: Spark Plugs
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Fri, 31 October 2003 03:19
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Champion GOLD plugs - about 5 or 6 bucks each and they won some spark plug shoot out I read a few years back. In the shoot out some of the platnium babies were worse off than the plugs that came with the car from the factory.
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Location:
Western Australia
Registered:
October 2003
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Re: Spark Plugs
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Fri, 31 October 2003 03:29
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I am currently using the NGK irdiums and they are great it depends really on what mods you have got in your car if you have a few then putting in a performance plug is only going to help enhance the what you have but if you have a stock as a rock then stick to the off the shelf $6 sparks
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Location:
Lost in the K hole
Registered:
May 2002
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Re: Spark Plugs
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Fri, 31 October 2003 03:56
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wtf is a 'performance plug'
sure, you might need a colder heat range, but there isnt any kind of 'performance plug' that will 'enhance' existing mods...
all youd be attempting to do is mount an alternative heat plug so the engine doesnt pre-ignite its titties off
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Location:
Sydney
Registered:
March 2003
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Re: Spark Plugs
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Fri, 31 October 2003 04:56
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Sweet, thanks for clarifying, that Spark Plugs have no performance advantages! What about Leads??
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Location:
Adelaide
Registered:
September 2003
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Re: Spark Plugs
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Fri, 31 October 2003 05:03
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6 of one and 1/2 dozen of the other.
As a car company employee (senior Manufacturing Engineer), I can confirm that they spend an absolute fortune (compared to what we spend) in making sure that everything works (quality from the suppliers aside) as it is intended.
Platinum spark plugs and such like are often used to get out of the warranty period of the vehicle - ever noticed how many things have a service life of about 100,000km which happens to correspiond with the warranty period ....
Performance plugs are also in the same vane as Energy Polarisers, Static straps, undercar neons, huge rear wings, fuel consumption improvers (all types), etc....
If these bits were really that good for that price, the car companies would use them in a flash - a classic example is the EFI system developed by Ralph Sarich for 2 strokes (the rest of his stuff was shite)
Oh dear.... time to go home
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Location:
Lost in the K hole
Registered:
May 2002
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Re: Spark Plugs
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Fri, 31 October 2003 06:25
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leads are divided into crap and excellent. the difference being how long they last, not how good they work. modern elect ignition systems pack a big punch, so not much can really get in the way of a healthy spark.
that said, i just bought a set of MSD super conductor wires for *cough* $175... low resistance, low emf, and they look phat
real reason i biught them is 'cause they were one of only a few manufacturers that made a custom set for the 7mge that fit properly
ed
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Location:
sydney
Registered:
April 2003
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Re: Spark Plugs
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Fri, 31 October 2003 23:03
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what spark plugs should i use. i have a 3s-fe and a ct26 that i'll be putting on (hopefully) soon. should i stick with the stock plugs? regap them? use a colder heat range? what do you guys suggest?
p.s. sorry to hijack thread.
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Location:
Brisbane
Registered:
May 2002
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Re: Spark Plugs
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Sat, 01 November 2003 00:39
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I'd suggest you try one heat range colder than the stock plugs and see how they perform. If it pings, try going colder again. If the ignition breaks down under boost, make the gap a bit smaller.
Now that I think about it, you might be better off just using the same plug and gap as a 3S-GTE!
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Location:
sydney
Registered:
April 2003
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Re: Spark Plugs
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Sat, 01 November 2003 01:18
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thnaks for the help
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Location:
Brisbane
Registered:
October 2002
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Re: Spark Plugs
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Sat, 01 November 2003 02:57
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the only performance gains to really be had from plugs and leads is if your current ones aren't up to the job {dead} or if u have done massive mods and still running BP5ES's on a 700hp engine 
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Location:
Sydney
Registered:
September 2003
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