Spark plug gap? Roots blown 548

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05-22-2017, 06:26 AM

JRider

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Spark plug gap? Roots blown 548

Looking for information on spark plug gap. Motor is a 548 with Dart 360 aluminum heads, low compression and 8.5 psi boost. Plugs are Autolite Racing 3934. What should I be running for gap?

05-22-2017, 09:12 AM

snapmorgan

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MSD ignition? They like .035

05-22-2017, 11:20 AM

JRider

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Quote:

Originally Posted by snapmorgan

MSD ignition? They like .035

Yes, MSD Digital.

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