Thread: spark plug gap
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Old 02-12-2012, 07:57 AM
Goopie 18 Goopie 18 is offline
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Location: Punta Gorda, Fl
Cobra Make, Engine: SPF 2473, Roush 427R
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Default spark plug gap
Roush 427R 10.25 cr. MSD 6AL control, MSD master blaster coil. New MSD cap/rotor. MSD suggests 0.050-0.060 for this compression ratio. Roush suggests middle 0.03's. Suggestions?
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