Re: 230-250 I6 hei
Champion RN16YC5
I'm gapped at 45 thou...Tom recommends up to 60 thou on these plugs with his HEI. Believe his plugs are same for 194 thru 250.
I'm running Toms HEI, 18 degrees initial advance per Toms advice and though I started at 10 degrees, 18 is much better.
Carb is weber 32/36 DGEV progressive.
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