Colder Plugs--NGK TR6
Has anybody tried the NGK TR6 plugs (non-fancy metal) in a stock 5.3 (2001) or other truck V-8?
They are one step colder than stock, and I'm thinking about trying them to solve a hot-weather ping. I know some of the modified LS1 guys use them, but I wonder if they'll work OK in our engines. I run a 180 thermostat, and have tried several other things to stop the pinging--don't get me started.
Thanks.
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