Gen1 Heads/Cam Spark Plug ?

[Much]

What Spark plugs would you guys recomment for a Gen1 with
Greg Good Heads /Cam , Harland Sharp 1,7 Roller Rockers + PushRods 3" Belanger Headers + Roearacing Full Side Exhaust , Gen2 ThrottleBodys + K&N Filters + SmothTubes, gen2 fuel injectors, Vec2 , Compression 10:1

Stock Champion Rc12ECC?

Mike

 

[CWhiteRun]

Correct, RC12ECC

 

[Much]

Isnt the rule of a thumb a 1 Step colder plug per +100Hp ?

 

[CWhiteRun]

I think if you're using a power adder like NOS or FI, a step colder would be called for, but I don't believe your package would warrant it. But call Greg Good and get his opinion.