Spark Plug Change for 6.0L

[ChazMan]

I want to change spark plugs on my newly acquired '03 Escalade.

Has anyone experienced better performance by using different brand plugs than OEM's AC Delco?

Any difficulty or trick when replacing plugs on the 6.0L, or is it pretty much straight forward?

 

[blueflamed03]

IMHO, replace with factory. Many have tried the E3, and hate them, at least on these LS motors. The OEM's lasted 100K, or should, should work for another 100K

 

[yukondoit]

What he said. I read awhile back that ngk spark plugs work good too. Them fancy smancy plugs are a waste of money.

 

[redemn93]

ngk makes teh OE delcos. when you buy them at the parts store they will have ngk printed next to delco.

 

[yukondoit]

ngk makes teh OE delcos. when you buy them at the parts store they will have ngk printed next to delco.

Thats right..
thanks..

 

[ID_Escalade]

I was wondering if the oem plugs are Iridium and if not what style of plug are they thanks

 

[TyFlyer21]

Roll with the AC Delco Iridiums. I think the part number is 4110. About 6 bucks a pop, can't go wrong. I removed my wheel well liners and changed plugs and wires from below. Take a little longer to set up, but it was a breeze.