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-   -   GB: [QLD] NGK Iridium spark plugs - Another Twiggy Special! (http://www.astinagt.com/forums/showthread.php?t=3391)

twilightprotege 29-11-2004 10:55 PM

GB: [QLD] NGK Iridium spark plugs - Another Twiggy Special!
 
would anyone be interested in a purchase of NGK iridium spark plugs?

this is the plug details :

Quote:

NGK iridium plugs represent the ultimate evolution of spark plug technology and performance. The iridium center electrode is both stronger and harder than platinum. This allows NGK engineers to design an ultra-fine (0.6mm)center electrode reducing the voltage requirement for spark. This allows for a brighter, stronger spark from your existing ignition system. The ground electrode has a tapered cut at the firing end which reduces quenching for better flame core growth and increased ignitability. The combination of fine wire center electrode and tapered cut ground will increase performance, improve acceleration, and fuel efficiency.
I'll be getting the "5" heat range - standard replacement heat range. I can get different heat ranges if you require.

also, i'll be getting the "extended electrode" model. what that means is that the spark is located further down in the cylinder and therefore should yield a bit more power as the spark is closer to the middle of the chamber and ignites the fuel and air quicker (ie not as far to the furtherest part of the cylinder). also, you'll get a tiny tiny bump in compression ratio. from say 9.7:1 to 9.71:1

price will be apx $49 for 4. slightly cheaper than the last ones i sold due to the better exchange rate. price includes postage to you.

Toyboy 29-11-2004 11:45 PM

Yeah ive been running these plugs for over a year now and they never need cleaning :D
Even with my fuel pressure running at 10 psi higher then standard they dont foul up,well worth the money :wink:

SehnKhan 29-11-2004 11:46 PM

This will be for all models yeah?

twilightprotege 30-11-2004 12:01 AM

will fit all models, yes - v6 included.

you can double check here :
http://www.ngk.com.au/PartFinder/spa...amp;Make=Mazda

whatever suits part no BKR#EIX-11 or ZFR#EIX-11 - the # is the heat range. 5 being the hottest. the higher the number the colder the plug. all of our NA engines here can handle 5 heat range. i have 6 heat range at the moment in my car and works fine, but will try 5 next to see which is the best heat range for my engine

SehnKhan 30-11-2004 12:15 AM

Ahh k, mine comes up as Iridium Option BKR5EIX-11 1.1.

Guess it wont hurt to get some, if the group buy goes ahead put me down for a set.

Rupewrecht 30-11-2004 12:21 AM

and mine is

10/89 - 06/94 Mazda 323 1.8L DOHC, Turbo BPB

Spark Plug Part No.
Recommended Plug BKR6E-11
Iridium Option BKR6EIX-11

twilightprotege 30-11-2004 12:37 AM

yeah the ones i'll actually be getting is the ZFR#EIX-11. the ZF means the extended electrode which is a better idea. will work the same as the BK so no need to worry about that

so anyway, i'll start a list :

1. twilightprotege - 4 x heat 5
2. chicaboo - 4 x heat 5
3. SehnKhan - 4 x heat 5

rupe does that mean you're after some?

Mizda_Mazda 30-11-2004 01:58 AM

I'll get 6x Iridium Option BKR6EIX-11(not for a astina for a R31), maybe 10 (extra 4 for the astina) depending on the cost per item at the end.

Whats the difference between ZFR and BKR if it works the same??? Theres got to be some sort of difference besdie a extended electrode.

Cloudland 30-11-2004 02:50 AM

subscribe and keep an eye.

i'll check mine this week if they are not already iridium then i'm in.

boostedbatman 30-11-2004 04:53 AM

Andy can you get me a set of 6.

SehnKhan 30-11-2004 10:31 AM

If you can get me the BKR5EIX-11 1.1. then i am definately in

arden 30-11-2004 10:36 AM

Put me down for a set thanks Mr Twiggy

323_mazdabator 30-11-2004 12:22 PM

hey yeh i'm in for sure.. let me know when the buy is going through coz i might be keen to get 2 sets of them.... just ione question though are they the same as the BPT motor? will they handle the turbo?

twilightprotege 30-11-2004 02:13 PM

ok, i'll break down the cost a little more than $49 for 4.

price per plug $10
shipping cost to oz and to you $9.


mizda - the BK's look like this :
http://www.ngk.com/productImages/1/90A.jpg
the ZF's look like this
http://www.sparkplugs.com/productImages/1/106A.jpg

see how the tip in the second one is higher than the first? that just makes the spark further down into the combusion chamber which i beleive is a better design.

sehnkhan - i can.

mazdabator - will fit the BPT yes, and turbo i'd suggest 1 or 2 heat ranges colder so you help reduce pre-detonation. and buy will happen in a week or 2 i guess. depends on interest. if you want 7 heat range it's only avail in the BK.

all - here's an explaination on heat ranges and other plug tech : http://www.ngk.com.au/tech_content.html


1. twilightprotege - 4 x heat 5 ZF
2. chicaboo - 4 x heat 5 ZF
3. SehnKhan - 4 x heat 5 BK
4. mizda - 10 x heat 6 BK
5. boosted - 6 x heat 6 ZF
6. sabrelli - 4 x heat 5 ZF

everyone just double check the above

skippy 30-11-2004 04:23 PM

Say I didn't know what sparkies I need, where would I find out?

I have a 96 BA V6, which came with platinum ones and I've been quoted a fair bit higher than $10 each. So upgrade for less, ummm yeah I think I'll do it if they fit.

twilightprotege 30-11-2004 04:39 PM

skippy, yep they'll fit fine.

1. twilightprotege - 4 x heat 5 ZF
2. chicaboo - 4 x heat 5 ZF
3. SehnKhan - 4 x heat 5 BK
4. mizda - 10 x heat 6 BK
5. boosted - 6 x heat 6??? ZF
6. sabrelli - 4 x heat 5 ZF
7. skippy - 6 x heat 6 ZF

boosted and skippy - i've put you down as heat 6 because the aussie ngk site says heat range 6

ezin 30-11-2004 06:10 PM

Can u put me down for 4 x heat 5 ZF

So 5 is the hottest u can get cause i remember my car runs kind of rich so a hotter than standard plug would probably be better. I think ive got 6 in it atm and its due for new plugs, nice timing twilight.

Raven 30-11-2004 06:45 PM

yes yes but one Q?
 
Ok put me down for 4 please!

But I have one question... I did the search and it says I need

Iridium Option BKR6EIX-11

witch are a 6 heat. so are the 5 (the ones your geting) going to be ok?

...If they are I'll be in for sure....

..Raven..

mrpayner 30-11-2004 07:03 PM

G'day Andy

I'm interested too.. the AUS website says Iridium Option BKR6EIX-11 1.1, I'm assuming the ZF units can be purchased too?

I'd assume also that heat range 6 would be the only available unit??

Quote from the NGK Website..
Quote:

Heat range selection is vital to ensure optimum performance of spark plugs.

A spark plug's optimum operating temperature is between 450 degrees C and 870 degrees C. Spark plug tip temperatures outside this range can occur when an incorrect heat rating is selected. Viz:

When the heat rating is too high:

The spark plug temperature remains too low and causes deposits to build up on the firing end; the deposits offer an electrical leakage path that gives rise to loss of sparks.

When the heat rating is too low:

The spark plug temperature rises too high and induces abnormal combustion (pre-ignition): this leads to melting of the spark plug electrodes as well as piston seizure and erosion.

NGK Spark Plugs pioneered the use of a copper cored electrode in 1958, which enables a spark plug to heat up quickly and also dissipate heat quickly giving an ultra wide heat range. It is essential to use a spark plug that fits a specific engine and its conditions of use.

As spark plugs are positioned in the head of an engine, their analysis can give a good indication of how your engine is operating.
Cheers
Adam

nalawa 30-11-2004 07:42 PM

Interestingly I looked up the Mazda 323 Astina Owners Manual (1997 - 8M37) and it quotes the following:

1.6 & 1.8 lt engines NGK BKR5E-11
2.0 lt engines NGK BKR6E-11

Gap for both plugs is quoted at 1.1 +0.0/-0.1 mm

I am interested in a set but now am unsure which heat rating is most applicable


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