spark plugs
Posted: Sun Oct 05, 2008 11:04 am
which spark plugs to use on a 500hp b series... ngk R5671A-8, anyone using these??
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spark plugs
https://ectune.hondatuningsuite.com/viewtopic.php?f=18&t=1419
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Posted: Sun Oct 05, 2008 11:11 am
Non-Projected :R5671-8’s : 4554
Posted: Tue Oct 07, 2008 8:26 am
would 9's be ok also...?
Posted: Tue Oct 07, 2008 3:28 pm
I've seen a reduction in long term detonation deposits on plugs with 9's. Other than being a little tough to read, there are no adverse effects IMO.
Posted: Tue Oct 07, 2008 5:02 pm
I'd run the BKR9EIX . . Or the 5238 The iridium is resistor type so theres less change of issues from IGN noise, but I generally use the 5238.