After reading a number of posts on here, I narrowed down my two choices for spark plugs; NGK's & AC Delco Rapid Fires. I was running Bosch Platinums.

Today I got my NGK Platinum plugs I ordered from Summit since Kragen, Auto Zone and the other local auto part places around here didn't have the platinums. Supprisingly enough they did carry the Iridium.

Took me a good fifteen minutes to install 7 of the 8 plugs and about 45 minutes to install #6. My car fired right up and was running very smooth. Better acceleration and no more heavy noxious exhaust as before. Now they are fresh plugs so time will tell how they will operate under long term service. No more Bosch junk in my car.

 

Any updates?

 

Well after almost 4 years of the plugs being installed, they are working fantastic. I didn't pass smog a few weeks ago, but that was from the intake manifold carbon build up. The plugs are actually in good shape after inspecting them.

 

awesome
how was the gas mileage before and after? any performance difference before and after? what do think of ngk iridiums?

 

Have not tried the Iridiums. As for gas mileage, not really that much of a difference especially with my lead foot. Driveability is pretty good. Like the fast start up.

 

I liked the NGK's enough that I installed them on my 2001 Explorer Sport.