[Supras] Sparkplugs, so many kinds, what's the best for a stock89T

[Phil L.]

Eric W wrote:

>I run only one heat range colder coppers.... I use NGK coppers I can't
>remember the code right now but they are 1 colder and they run amazingly for
>me.
>
>  
>
yup... that should be a 7 in the NGK's... no problems with fouling, cold 
running or idle... and they are better suited to higher boost 
conditions... (i run 1.16 bar at the low setting.. :-) )

>Love em to death. 
>
>I also change sparkplugs way too often so they are never usually finished
>before I change them. 
>
>-----Original Message-----
>From: Jim Jobe [mailto:jjobe2 at supratech.org] 
>Sent: March 18, 2005 12:47 PM
>To: Eric W
>Cc: 'Phil L.'; supras at supras.com
>Subject: Re: [Supras] Sparkplugs, so many kinds, what's the best for a
>stock89T
>
>
>Shoot, I think Alan's made over 500 rwhp on the stock heat range.
>6's are fine people - and unless you're well past stage 3 you
>might as well stick with the stock platinum NGK's.  It's not
>worth the .000005% gain or loss you've perceived to change
>plugs every 10-15k because they're copper and worn out or
>they've fouled because they're too cold.
>
>On Fri, Mar 18, 2005 at 12:43:21PM -0500, Eric W wrote:
>  
>
>>Hands down, if you are stock stick with plat's NGK plats no need for
>>    
>>
>copper
>  
>
>>since you will not miss and you don't have to change them often.
>>
>>
>>-----Original Message-----
>>From: Supras-bounces at supras.com [mailto:Supras-bounces at supras.com] On
>>    
>>
>Behalf
>  
>
>>Of Phil L.
>>Sent: March 18, 2005 9:09 AM
>>To: supras at supras.com
>>Subject: Re: [Supras] Sparkplugs, so many kinds, what's the best for a
>>stock89T
>>
>>yup... i've got NGK Coppers in a 7 in my JZA-70... depsite their price, 
>>they're better than the more expensive platinums, only bettered by the 
>>far more expensive iridium option (and even thats not a conclusive 
>>difference)
>>
>>Just replace them once a year and you'll be fine... of course, if your 
>>racing, you should replace them a lot more often than that (regardless 
>>of what plug you run)
>>
>>
>>jcorbat at wi.net wrote:
>>
>>    
>>
>>>I have been using NGK BCPR6EY-N11 (stock# 6262) as the copper replacement
>>>for the platinums for many years.  This cross-ref recommendation came
>>>      
>>>
>from
>  
>
>>>an NGK tech.  They're something like $1.50 each and I replace them every
>>>15k or so.
>>>
>>>Others have been using an Autolite copper plug for a very long time.  I
>>>can't remember the number off hand but someone can surely chime in.
>>>
>>>Jeff
>>>http://users.wi.net/~jcorbat/supra
>>>++++++++++++++++++++++++++++++++++++++
>>> 
>>>
>>>      
>>>
>>>>Hello Supra Group
>>>>
>>>>
>>>>I have an 89Tand  I am going to change the sparkplugs this spring when I
>>>>put
>>>>the car on the road.
>>>>
>>>>I was checking  into spark plugs, there are so many different types,
>>>>        
>>>>
>mfgs
>  
>
>>>>etc.
>>>>
>>>>I would like to know what the Supra group recommends, some people I have
>>>>spoken to say you can gain up to 5 hp depending on the type, brand you
>>>>use,
>>>>is this true?.
>>>>
>>>>Oh, once again, my engine is a stock 3.0 liter turbo.
>>>>
>>>>Many thanks
>>>>
>>>>
>>>>neil
>>>>
>>>>
>>>>
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>>>>   
>>>>
>>>>        
>>>>
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>>>
>>>
>>> 
>>>
>>>      
>>>
>>
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