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Old 10-11-2007, 07:10 AM
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Engines with extreme power adders such as NOS, Blowers and Turbo's will blow out the spark due to the massive turbulence in the cylinder.
Be extremely careful if you decide to try a fine-wire plug design, as the detonation the engine will see throughout the power band can break off the ground strap.
Regarding the proper gap, it should be .022 - .028 depending on the variables in the engine combination and power levels.
I would recommend a Champion #679 ( V59C ) race plug which should perform on the street and at the strip with the NOS.
Glenn
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