Now I'm getting some part numbers. Thank You so much. Trick Flow heads, so I'll look to see what reach they recommend. I'll look for a different shop for Champion Plugs. I went crazy with the math, checking everything. My son, with a computer science degree, helped me. He can't change his own oil, but his math is literally prize winning. 11.0280 is the calculated compression ratio. More than I planned for, but with the cam overlap, I should get by on Sunoco 93 octane, and maybe a little VP octane booster. Thank You, sir.
