2004-2007 Cadillac CTS-V Performance Mods Discussion, Spark plug ? in Cadillac CTS-V Series Forum - 2004 - 2007; I am planning to replace my plugs while having some work done to my car. I know a lot of ...
- 04-28-11 04:48 PM #1Cadillac Owners Member
- Automobile(s): 05 CTS-V
- Join Date
- Jun 2010
- Royal Oak, MI
Spark plug ?
I am planning to replace my plugs while having some work done to my car. I know a lot of you guys run some NGKs, but I was told they are best on forced induction applications and with my setup, replacement AC Delcos are the most appropriate. With the following mods which plugs would you guys recommend: cam, headers/ full exhaust, CAI, p&p tb, tune.
- 04-28-11 04:56 PM #2
Re: Spark plug ?
I would run one step colder than stock. Options include AC Delco 12571165, Bosch 4505, or NGKTR61X.
- 04-28-11 08:15 PM #3
NGK 1 step colder here. All I ever run.
- 04-29-11 01:00 PM #4
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