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What plugs are these?

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Old Feb 7, 2003 | 02:24 PM
  #16  
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From: ct
Originally posted by tommylightning
I have just talked to a few people about plugs and 2 I have not seen anyone talk about are:

NGK TR8 plugs

Motorcraft AWSFA12C

I am going to pick up some of the motorcraft to see how they are. These Denso plugs are too expensive and the insulator keeps breaking. I know, that means some detionation so I am going to switch to a cheaper plug until it is straightned out. Hopping the new 55# injectors will help.

what is the heat range of the TR8? between a TR6 and BR7? I am about to install a 4# pulley and probably will go with the BR7's, having heard a number of peoples bad luck with 4#'s + and TR6's, i just want that extra margin of safety.
 
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Old Feb 7, 2003 | 02:26 PM
  #17  
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From: Hammonton, NJ 08037
Originally posted by wkuper11
what is the heat range of the TR8? between a TR6 and BR7? I am about to install a 4# pulley and probably will go with the BR7's, having heard a number of peoples bad luck with 4#'s + and TR6's, i just want that extra margin of safety.
Not sure, I was hoping to get some info from a tuner. I was given this info from "Nitrous Pete"
 
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Old Feb 7, 2003 | 02:31 PM
  #18  
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The link provided by Turbobo explains the heat range. The lower the number the hotter the plug, the higher the number, the colder the plug, so a TR8 is colder than a TR6 and BR7 ...

http://www.clubplug.net/ngk_sym.html

Bye the way, I just placed an order for BR7s from Sal .. thanks for the info
 
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Old Feb 7, 2003 | 02:56 PM
  #19  
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From: Hammonton, NJ 08037
Originally posted by tommylightning
I have just talked to a few people about plugs and 2 I have not seen anyone talk about are:

NGK TR8 plugs

Motorcraft AWSFA12C

I am going to pick up some of the motorcraft to see how they are. These Denso plugs are too expensive and the insulator keeps breaking. I know, that means some detionation so I am going to switch to a cheaper plug until it is straightned out. Hopping the new 55# injectors will help.
Did some searching and found out that the Motorcraft AWSFA12C is the NGK TR6 replacement.
 
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Old Feb 7, 2003 | 03:04 PM
  #20  
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From: Hammonton, NJ 08037
What is the difference between the BR7ES and the TR6 line? I know the 7 is colder but I have been doing some researching and found that going to the BR7ES puts you in a different cross refference with the Motorcraft plug. This leads me to believe it is a different plug, even more than just how the plug is able to get rid of heat. Anyone comment on this.

Ok to fuel this information further, I jst found the plug to replace the Denso Iridum IT24 plug with an NGK R5724-8

Now I am confused
 

Last edited by tommylightning; Feb 7, 2003 at 03:16 PM.
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Old Feb 7, 2003 | 04:05 PM
  #21  
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From: Stinkin Joisey
Me too tommylightning
 
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Old Feb 7, 2003 | 05:22 PM
  #22  
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From: Warner Robins, Ga, CSA
FWIW, my BR 7EFs have worked fine(except for a low rpm 'miss' that goes away at higher rpms) for 10,000 miles or more. No pinging/detonation and good power. NGK IT24s are still waiting to be installed(by the spark plug 'fairy' --I wish!

Dan
 
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Old Feb 7, 2003 | 05:31 PM
  #23  
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From: Alexandria VA
Originally posted by tommylightning
What is the difference between the BR7ES and the TR6 line?
I have been researching this a little so I try:

BR7: (non iridium)
The B means it has a 14mm Thread Diameter
The R means it is a resistor plug
The 7 is its heat range

These plugs have a heat range of 2 through 11.

TR6: (this is an iridium plug)
The T means a 14mm diameter
The R means it is a resistor plug
The 6 is the heat range.

The iridium plugs only go from a heat range of 4 through 6. So according to the web site, there should not be a TR8 plug.

Basically both are resistor plugs, the TR6 is an warmer plug which is why it is recommended for no more than a 4 lb pulley, and the BR7 is a resistor plug that is colder and is used with pulley's bigger than the 4lber.

This is what I interpret the info at http://www.clubplug.net/ngk_sym.html
 

Last edited by brap; Feb 7, 2003 at 05:40 PM.
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Old Feb 7, 2003 | 06:59 PM
  #24  
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From: Olive Branch, MS, Memphis Burb
Cool

The TR6 is not an Iridium plug unless it says TR6IX. I ran the TR5IX Iridium and that's what it said. TR5 and TR6 are regular plugs. When I was looking a few months ago there was no TR6IX unles they came out with one recently.
 
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Old Feb 7, 2003 | 10:39 PM
  #25  
Rob_02Lightning's Avatar
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From: Selden NY









I think Denso IT-22's are great,
and I know they run MUCH better in
""MY L""
I had a 3/10th ET improvement with them over the TR-6's
 
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