Dodge Caliber SRT-4 Forums - View Single Post - Caliber SRT-4 Spark Plugs

WRX2SRT · 07-05-2008, 04:57 PM

I just installed a set today also, and I had similar results, much smoother idle and picked up a little better gas mileage too! I don't know why the factory uses the platinum plugs, the iridium plugs are much better in turbo cars.

07-05-2008, 04:57 PM	#2 (permalink)
WRX2SRT Member Join Date: Jun 2008 Location: Va Posts: 36	I just installed a set today also, and I had similar results, much smoother idle and picked up a little better gas mileage too! I don't know why the factory uses the platinum plugs, the iridium plugs are much better in turbo cars.