[Fot] Spark Plugs

[Brian Schirano]

I'm interested in this topic as well. I inventory -5 through -9 NGKs and run -9s (coldest) in my GT which has a modest build, maybe 11.5:1 CR and Richard Good GP3 cam. Factory heat range is - 5 or -6 per NGK depending on if it's a GT or TR. Brian Schirano
585-305-0349 Cell 
BSchirano at yahoo.com
      From: Robert M. Lang via Fot <fot at autox.team.net>
 To: fot at autox.team.net 
 Sent: Thursday, April 23, 2015 2:51 PM
 Subject: Re: [Fot] Spark Plugs
   
Hi,

I've been using Accel 114's for the last ten or 15 years, they seem to 
work fine. I have a collection of different temp range plugs from Accel 
all the way from 113 through 117. I've never taken the time to play on the 
dyno to see if there's any difference changing heat range. I know = "my 
bad". I've never had a plug fail despite the amount of internet detritus 
regarding the quality of this brand.

In any case I was thinking about switching to NGK. My TR6 motor is 12:1, 
Webers, cam (street duration Isky Z19), header, etc. Ignition is Mallory / 
Pertronix.

Would the NGK BP6ES or BP7ES be a better choice?

Regards,
rml
---------------------------------------------------------------------------
Bob Lang              Triumph TR6!!            |  This space for rent
Former NER Solo Chair                          |
Voice:617-253-7438                            |  Cell: 339-927-4489
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