Best sparkplugs for 320whp civic ls/vtec
08-21-2010, 03:15 PM
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Best sparkplugs for 320whp civic ls/vtec
Hi, I'm running the NGK V-power 8 sparkplugs, but just wanted to ask if I should change for the 7's or keep the 8's. Not planning on going more boost. Right now I am at 320whp at 10 psi.
Any comments.
Any comments.
08-21-2010, 05:20 PM
#2
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Re: Best sparkplugs for 320whp civic ls/vtec
A lot of people run the 7's at your power level, but you'll be fine with the 8's. I was around the same power with my old LS setup, and I ran the 4554 NGK 8's with a .026" gap, no issues. 
08-22-2010, 08:16 AM
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Re: Best sparkplugs for 320whp civic ls/vtec
8 is to cold of a plug for that hp level. bkr7e is where you need to be. the gaps will b determind on ignition setup and if stock how many miles are on it
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