Sparkplug to use with TR-6

[vboosted6]

I'm about to install a TR-6 in my car.I do have champion aluminum heads,6766 running 93 with alky.Im looking for any recommendations on what sparkplug to use.I hear a resistor sparkplug is recommended.

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[TurboBob]

always run resistor plugs with computer controlled cars.

how much boost / power are you shooting for? Fancy plugs are not required for most of these cars, its only when really pushing the limit that you need to look into those.

I believe most guys with Champion aluminums run the gasketted plugs, perhaps an autolite AR3923

Bob

 

[dynoman]

Do they have 12mm or 14mm plug holes ?? I believe the new Champion heads have 12mm .

 

[vboosted6]

Do they have 12mm or 14mm plug holes ?? I believe the new Champion heads have 12mm .

14mm

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[bad V6]

NGK 4554

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[vboosted6]

It's has to be resistor sparkplug.That one isnt.

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