Spark plugs

65

Asked by Aug 08, 2011 at 05:17 PM about the 2004 Cadillac SRX V8 AWD

Question type: Maintenance & Repair

Coming up on the 100,000 mark what would be the best replacement sparkplugs or
just stay with the factory plugs which I believe is Delco. Would I see better
performance if I use double Platinum plugs

4 Answers

1,285

If you are changing your plugs for the first time at 100,000m then you are obviously not extremely concerned with performance. Double platinum isn't going to do anything better for you. Check out some Denso Platinums or NGK and you will be just fine.

3 people found this helpful.
8,305

copper gives the best performance but the shortest life. just get a set of platinum plugs plugs from ngk and be done with it for another 100,000. might want to think about doing plug wires as well while youre at it.

100

Except there are no plug wires on a 2004 SRX V8 - 4.6L AWD. Direct connect to independent ignition coils. To change plugs...remove coil covers, remove coil, one at a time and to make it even easier...remove the stainless steel coil rail for really easy access to plugs. Make sure holes are clean before you remove plugs, I do them at home with a tire pump...works great. Plug gap is .040 and tighten to 11 ft/lbs tourque.

4 people found this helpful.
100

Should have added...stick to OEM Ac Delco plugs....ECM isn't fond of aftermarket and can send a false positive on a misfire.

6 people found this helpful.

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