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Do these spark plugs need to be replaced?

P

PUNISHER VETTE

NAXJA Forum User
Location
University of Illinois
They seem pretty good to me...:twak::wierd:

IMG_0184-1.jpg

IMG_0186.jpg
 
The engine was running just fine.

The 98 sport has 120k miles on the engine so if i had to guess the plugs could still have been original. I also changed out the plug wires. Was going to do the cap but decided i didn't care.

I'm hoping this helps my gas mileage a mpg or two.
 
Sometimes the platinum plugs are worth the cost. :laugh:

Different brand, different engine, single platinums installed at the factory, removed with 135K. They are rusty because they got rained on a few times before I got the camera out:

SPARKPLUG024.jpg


SPARKPLUG023.jpg


SPARKPLUG010.jpg


I'm guessing the induction charge has something to do with the odd erosion.
 
I wouldn't bother with the rotor or cap either- I mean, with the plugs looking so good, why assume the rest of the parts are worn out?
 
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