iridium plugs?

[Huw Powell]

> i've had iridiums in my cgt for 3 years now with no power loss or any
> signs of wear. they made a noticable power and fuel mileage
> difference but when i put them in my s10 4.3, they seemed to make no
> difference at all. i think the gains depend on the motor.

Or how bad the old ones were?

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/