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Changing plugs

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Changing plugs

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Old

Jan 22, 2006 | 07:33 PM

#1

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Changing plugs

I just ordered my pacesetters and I figure I wil change the spark plugs while I am at it. I bought some NGK TR55's a while back. What is the gap setting on the LS1?

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Jan 22, 2006 | 07:46 PM

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.055 is the usual

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Jan 23, 2006 | 11:07 AM

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they pregap thier plugs to .055 right out of the box so most of the time they are ready to put on.

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Jan 23, 2006 | 03:51 PM

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Are the TR55's a good plug or do I need some kind of platinum plug?

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Jan 23, 2006 | 04:30 PM

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Quote:

Originally Posted by 99M6Z28

Are the TR55's a good plug or do I need some kind of platinum plug?

Most of the people on this board that are naturally aspirated run TR55's, including myself. If you plan on running nitrous, go a step colder to TR6's.

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Jan 23, 2006 | 04:31 PM

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the tr55 are great unless using FI or nitrous, as jmm said.

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Jan 23, 2006 | 04:56 PM

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I've heard some say that they've noticed better throttle response gapping at .50. I usually go inbetween at .52. Always check the gaps on all your plugs though, because they can vary. In fact I've never had a consistent batch. They've always varied from .50 to .60.

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