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Feb 17, 2013 | 04:48 PM

gazo

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From: la

spark plugs

which spark plugs recommended to use 20b single turbo gt42r

Feb 17, 2013 | 11:05 PM

silverfdturbo6port

500+hp club

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same ones as a 13b

Feb 18, 2013 | 07:09 PM

mmcal1055

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i use the bur9eqp on both the leading and trailing plugs. lower heat range

Feb 18, 2013 | 07:26 PM

RotaryEvolution

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depends on your boost and power level.. standard 9's would probably be fine sub 10psi before the turbo wakes up, after that... could be anywhere up to 11 racing plugs with ignition amps.

Feb 19, 2013 | 09:22 AM

Banzai-Racing

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I run the NGK Race R6725-105 (10.5) at well over 600whp with the 20B GT4202R, if I kicked it up over 20psi I would swap out to R6725-11

Spark Plugs 93+ RX-7