upgrades for LS1 SPARK PLUGS?
05-07-2003, 05:05 AM
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upgrades for LS1 SPARK PLUGS? what is available for ls1 spark plugs and for what purposes? im running the tr55. but im looking into running something different (colder). what out there? please any part #'s and manufactors, with appliction description, would help me out a ton thanks
05-07-2003, 07:12 AM
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Re: upgrades for LS1 SPARK PLUGS? I switched to Bosch 4 recently.....OK I guess. I used the stock heat range.
I think I read where GKN is the preferred plug for our cars...It is relatively cheap and produces the best results....
I think I read where GKN is the preferred plug for our cars...It is relatively cheap and produces the best results....
