Which spark plugs to use?
08-04-2003, 02:48 AM
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Which spark plugs to use? I will be installing my LT hooker headers hopefully soon and I would like to know what is a good spark plug to run on a LS1 engine with some basic mods.
LT headers, ORY, slp cold air, K&N, SLP lid, smooth bellows, LM exhaust, HPPIII, (possibly AIR & EGR deleted during header install)
Basically what is everyone running with.
LT headers, ORY, slp cold air, K&N, SLP lid, smooth bellows, LM exhaust, HPPIII, (possibly AIR & EGR deleted during header install)
Basically what is everyone running with.
08-04-2003, 06:51 AM
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Re: Which spark plugs to use? I use DENSO IRIDIUM, super plug. Whatever you do don't use BOSH 4 platinum, so many complaints of misfire.
NGK TR55 good also.
NGK TR55 good also.
08-04-2003, 01:59 PM
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Re: Which spark plugs to use? I just got my NGK Iridiums in last week...waiting for headers now so I can put them in. I currently am running the Bosch Platinum 4s...oh man that was a bad move. My car runs like total crap with this Texas Heat. Get some NGK TR-55s or if you don't want to change plugs every 25K miles, get some Iridiums. - Pat
