Evolution IX Spark Plugs 8 Heat Range!
Originally Posted by mrfred
When are these needed? I pulled my stock IX plugs last weekend, and they had the perfect tan color. I've got a mail-in flash on an otherwise stock motor. I'm thinking that if anything, I might try the Denso Iridium in the stock heat range.
Snap! Pinks is going to be filming at 5 at PIR! (sorry for the off-topic, yet free bump!!) Can't make it down now
By the way, what else does your shop evo 9 have (besides these nice Denso spark plugs
)? Last I heard it was making 360+ whp...
By the way, what else does your shop evo 9 have (besides these nice Denso spark plugs
)? Last I heard it was making 360+ whp...
OK, so I am confused. The EVO VIII's came with "7" heat range NGK iridium plugs. Are you saying that the EVO IX comes with "8" heat range Denso iridiums?? Or are these 1 range colder and a different brand than the stock EVO IX plugs?? Thanks!
EVOlutionary
EVOlutionary


