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sparks plugs 2003 gmc pick up 6.0 2500 hd. searching for the best spark plugs |
Not something you would run on a NOS application but I have NGK TR6IX plugs in my 03. Not saying it's the best plugs to use but they're working much better than the Bosch Platinum 4's previously installed. |
Originally Posted by 01CamaroSSTx
(Post 19973258)
Not something you would run on a NOS application but I have NGK TR6IX plugs in my 03. Not saying it's the best plugs to use but they're working much better than the Bosch Platinum 4's previously installed. |
Iridium plugs. You get close to the conductivity of copper plugs without the rapid wear. The only downside is they're the most expensive plugs but when you figure $8 a plug vs $5 for something you'll do once every few to several years, the price difference is a nonstarter. Mine's a '96 C1500 and I've got the ACDelco 41-993 iridium plugs. Work great. |
Some standard NGK tr55 plugs will work fine. |
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