Spark plug recommendation for stock 5.3?
Apr 26, 2004 | 05:25 PM
#11
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Joined: Mar 2003
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Originally Posted by Slowverado
the stock plugs are pretty good...but if you want to upgrade then TR55s are probably the best if you're running NA
Yup, my thoughts also. I also replaced my plug wires when I did plugs. I tossed on some Taylor wires, good quality w/ no fitment problems. ~$40 for them only.
Preventative maintainence is always a good idea.Don't forget about that fuel filter too.
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