Hey Guys - I have a 455 Pontiac with E heads and 12.5 - 13 to 1 and E85. I have MSD 6AL, Billet Dist, Blaser 2 coil and Firecore wires with NGK's #7 gapped .028 to .030 - Ignition locked with rotor phasing adjusted.
What is a good GAP for this Plug Set up?
Thanks, Again, Craig
General engine tech -- Drag Racing to Circle Track
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