2004-2007 Cadillac CTS-V Appearance Mods Discussion, spark plugs in Cadillac CTS-V Series Forum - 2004 - 2007; What spark plugs should I run?? Bolt on modz and a tune. Torquemaster? NGK? Bosche? Let me know what luck ...
- 05-03-12 03:24 PM #1
What spark plugs should I run?? Bolt on modz and a tune. Torquemaster? NGK? Bosche? Let me know what luck you have had
oops!!!! Wrong forum! Hope you will forgive me and move to the correct area.
- 05-03-12 03:40 PM #2
Re: spark plugs
For a stock motor the NGK TR-5s are the correct plug if you want copper. There is an iridium that is the TR5ix.
I used NGK TR-55s on my stock motor (also work, slightly larger gap I believe).