quote from my builder when I posed the 331 vs. 347 question to him: "...the tolerances are right, the machine work is right, the parts are right, build the bigger motor and will be just fine for ya, Todd." I have an Eagle forged 4340 crank, forged 4340 H-beam rods, and Wiseco pistons. I trust this guy as he is not only a personal friend, but has made such accomplishments as building a 2500 horsepower 612 c.i. Merlin block-based Mopar motor (with a 10-71), a 1400 horsepower Toyota Supra T.T. motor, and a 800 horsepower 2.2 liter (that's right, 2.2L)turbo motor. He also does machine work for some heavyweight Nascar and NHRA builders.
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Todd
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