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Spark Plug gap question

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Old Jan 10, 2010 | 03:23 PM
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nastychevelle
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Default Spark Plug gap question
what spark plug should i go with in a 2002 5.3 with these mods? i was looking at e3's and the Bosch Platinum+4's but i figured i'd ask first


also what should i gap them at?


218/224 .550/.550 114lsa cam
tsp pushrods
ls6 springs
ARP rod bolts
ls1 intake
bumpstop mod on the TB
28.8# injectors
1 3/4" LT's
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Old Jan 10, 2010 | 08:54 PM
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Most people on this site run NGK tr55 on n/a motors .That's what I use in my t/a.
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Old Jan 10, 2010 | 09:13 PM
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Originally Posted by transwiz
Most people on this site run NGK tr55 on n/a motors .That's what I use in my t/a.
gapped to what?
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Old Jan 11, 2010 | 07:12 AM
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gapped to .050" works pretty good.

$2 ngk tr5s are hard to beat
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Old Jan 11, 2010 | 10:56 AM
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Originally Posted by nastychevelle
i was looking at e3's and the Bosch Platinum+4's but i figured i'd ask first


also what should i gap them at?
Both of those plugs are gapped during manufacturing and are not supposed to be gapped by the end user. They're also overpriced junk.
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