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what plugs for carbed ls motor?

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Old 09-19-2010, 08:05 PM
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Default what plugs for carbed ls motor?
I have a carbed 4.8 with a 220r cam. I see a lot of people use the ngk tr55's but they are also all fuel injected. Is there a preferred plug for those with a carb? The mods include 220r cam, headers, and a 650 carb.
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Old 09-20-2010, 02:36 PM
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The 55s will be fine, I've got TR6s in my carb'd LS but it a "little" more radical than yours
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Old 09-20-2010, 07:22 PM
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just go with the tr55's
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Old 09-21-2010, 02:33 AM
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Moving to the new Carbed forum!
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Old 09-21-2010, 12:53 PM
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I'm running Tr6's as well but i have heard that Autolite makes a decent plug to run in the Carb'd LS's
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Old 09-21-2010, 02:10 PM
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I'm running the autolites in a carbed 5.3 with no problems.
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Old 09-21-2010, 02:44 PM
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NGK's here and they run nice
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Old 09-21-2010, 08:11 PM
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Awesome thanks for the replies and thanks orangeapeel for moving it to the new section.
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Old 09-21-2010, 10:43 PM
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Do you have to run the irridium plugs like they recommend? They are $7 a piece.
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Old 09-22-2010, 07:22 PM
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Originally Posted by tennerv8
Do you have to run the irridium plugs like they recommend? They are $7 a piece.
Don't waste your money
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Old 11-14-2010, 04:46 PM
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got autolite 605's for all motor and 103's on the kit
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