Quote:
Originally Posted by laynlo15
I actually just run the LT4 plugs instead of the NGK.
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How different are the LT4 plugs from the 6510's? I have another set of 6509's from Ted that I bought to help trouble-shoot the misfire. The shop is adamant on the 6510's though for boosted LS motors. Jannetty has paired a lot of LS motors with 6510's previous, per Kris, but on the LT's he's using 6509's. Sort of wondering why one vs the other.