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Originally Posted by Pete
I think it might be more efficient at the rpm you set your cruise at,it does not mean you make more power at peak.
I don't think there is much power if any to be seen on the dyno from our LT5's from just spark plugs.
I'm always willing to hear peoples results.
My Z will be going on the Dyno in a few days i'll try this on the dyno if some one can tell me which plugs are best for more power NGK or Denso.
Pete
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Pete,
I think there are a number of articles that suggest there is. Based on what I've read and the kind of power your motor is putting out, you would benefit from going 1 or 2 steps colder. Be interesting to look at your current plugs. Maybe with a colder plug you could be a bit more aggressive with timing.
I think I may try the BKR6E which is supposed to be the equivalent of the FR1LS.