iridium spark plugs, ct-26 trim

[89Turbo7M]

what is the best iridium spark plugs to use for 7mgte? part number please if you can i have a set of iridium iq22/5313 in right now bought from horsepowerfreaks.com time for a change.

WILL BE IN THE 350-400 HP RANGE SOON


do i have to upgrade my system or anything for a 50 or 54 trim ct-26 upgrade?

 

[kamikazemkiii]

Get a set or NGK coppers, if your running higher hp levels get a colder plug.

 

[supradjza80]

i run Denso iq22's

 

[supraguy@aol]

iridium lasts longer, but copper is better for turbo- more conductivity.

 

[Poodles]

Iridiums tend to glowplug at higher power levels on long pulls. They're also rediculously priced...