Best Spark Plug for 5.3 with Supercharger?

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Apr 16, 2016 | 11:37 PM

#31

0235SS93

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Quote:

Originally Posted by 03sierraslt

Why run a non resistor plug in a LS? Many have had issues with this. Also a 8 heat range is too cold for his boost level.

No issues here. I can assure you it's not too cold for my mild turbo setup on 91-93 pump gas. I noticed a smoother running engine and perceived power increase running the -8 plugs

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