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At 10:1 Compression, NGK TR55 or TR6?

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Old 06-05-2013, 07:22 PM
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Default At 10:1 Compression, NGK TR55 or TR6?
I'll have a cammed 4.8 with 10:1 CR. Should I run NGK TR55 or TR6?
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Old 06-05-2013, 08:20 PM
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Old 06-05-2013, 08:32 PM
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Old 06-05-2013, 10:51 PM
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Okay, that's what I figured. Geoff at EPS is who spec'd the cam and he said drivability will probably be better with the 6's but I know several people who said to run the 55's. And since I already have tr55s in it, anybody wanna buy some tr6s?
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Old 06-06-2013, 12:26 AM
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Tighten up the gap a few thow if need be.
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Old 06-06-2013, 01:15 AM
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Usually driveability goes down with colder plugs. I'd use 55's, 10:1 is nearly stock.
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