NGK TR7 & TR8's (Projected or NON Projected)?
#31
TECH Senior Member
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the biggest reason most run the TR6 is because that has been the plug that most will suggest, however, with knowledge most will realize it is less than the ultimate street/strip plug.
Robert
#38
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What plug do you guys recommend for a 423 ci motor w/ about 12.5 to 1 compression on a 200 shot. I am running the TFS 235 head and will be running a GMPP intake w/ a 4150 TB and a nos big shot plate. I will be running 100 octane . I was thinking that the BR7E is the one i want to run but the car will be run on motor about half the time so i wasnt sure. thanks
#39
TECH Junkie
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What plug do you guys recommend for a 423 ci motor w/ about 12.5 to 1 compression on a 200 shot. I am running the TFS 235 head and will be running a GMPP intake w/ a 4150 TB and a nos big shot plate. I will be running 100 octane . I was thinking that the BR7E is the one i want to run but the car will be run on motor about half the time so i wasnt sure. thanks
7's are going to be a lil hot for that much juice with the hp level and compression being up there already.