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Spark Plug Choice 

 

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 Post subject: Re: Spark Plug Choice
Posted: Thu Oct 01, 2009 10:37 pm 
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With NGK plugs .. The higher the number the COLDER they are..

 

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 Post subject: Re: Spark Plug Choice
Posted: Thu Oct 01, 2009 10:49 pm 
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shav wrote:
taxi 5L wrote:
My car was suffering from blow out since i got it.Put some max 300 leads on and half fix the problem but it was bad today so when bought some BPR7E as it only had the standard long plugs in it.Took for for a run and it the best it run so far and i gapped them at .8mm too....

phill


Are they the XR6 type plugs?

I think I bought the ZGR model number last week and am gonna give those a go.


XR6 plugs are in the "6" heat range in NGK, stock is "5".

 

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 Post subject: Re: Spark Plug Choice
Posted: Thu Oct 01, 2009 11:42 pm 
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I have ZGR6B-11 plugs. I just checked. I was told the colder I go the better with my setup.

 

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 Post subject: Re: Spark Plug Choice
Posted: Fri Oct 02, 2009 12:13 am 
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shav wrote:
I have ZGR6B-11 plugs. I just checked. I was told the colder I go the better with my setup.


Yeah, try a 7 heat range and gap to .8. Then slowly open the gap till you find your limit. I found an 8 too cold but a 7 at .88 worked for me.

 

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 Post subject: Re: Spark Plug Choice
Posted: Fri Oct 02, 2009 3:15 am 
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FLASH wrote:
shav wrote:
I have ZGR6B-11 plugs. I just checked. I was told the colder I go the better with my setup.


Yeah, try a 7 heat range and gap to .8. Then slowly open the gap till you find your limit. I found an 8 too cold but a 7 at .88 worked for me.


I gapped my last set of xr6t plugs at .88mm and they wrorked well. I'll do the same with these

 

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 Post subject: Re: Spark Plug Choice
Posted: Fri Oct 02, 2009 7:07 am 
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shav wrote:
I have ZGR6B-11 plugs. I just checked. I was told the colder I go the better with my setup.


those are what im using but in iridium..
im thinking on going a 7 heat range and see how it goes...
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 Post subject: Re: Spark Plug Choice
Posted: Fri Oct 02, 2009 10:54 am 
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TROYMAN wrote:
shav wrote:
I have ZGR6B-11 plugs. I just checked. I was told the colder I go the better with my setup.


those are what im using but in iridium..
im thinking on going a 7 heat range and see how it goes...


How much did the iridiums set you back Troy?
Let us know if you notice anything with the 7 heat range plugs.

 

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 Post subject: Re: Spark Plug Choice
Posted: Fri Oct 02, 2009 11:21 am 
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the iridiums were about $100..

i brought them when the car was na..
and at $100 set thats why i kept using them with boost..
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 Post subject: Re: Spark Plug Choice
Posted: Fri Oct 02, 2009 11:40 am 
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TROYMAN wrote:
the iridiums were about $100..

i brought them when the car was na..
and at $100 set thats why i kept using them with boost..


I suppose thats not too bad if you only needing to change your plugs once every 1-2 years. But considering I only pay $6 per plug and do a major service every 10,000-12,000km, I'll probably stick with the elcheapo NGK's.

 

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