Can I run this plug?

thats weird i just got a set of tr6 from pepboys like 2 months ago whats the ngk #? br9es? i heard the tr-6 dont like detonation to well either

I got tr6's from rpmoutlet a couple months ago. I hate rpm though so use them at your own peril. Never had a problem with detonation. I was told by the local parts counter person that they discountinued them and he tried to sell me some other model # but if you look online you will find them.

I think you got someone that needs to find another job , I havent heard about NGK not making the TR6 , still shows up on NGK.com website as a good number , try partsamerica.com and type in 4177 that is the stock number that corresponds to the TR6 plug

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but if you have stock pistons , Tim Barth at Modular Powerhouse recommends using a BR7EF or part number 3346 with stock engines since it has a recessed tip that will keep some of the heat off the piston as well as its even one step colder than the TR6 .......

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