13:1 Compression Pistons in 340 Small Block

GEO said
Well the current trend is flat top pistons and small combustion chambers which work better than the old domed pistons and open chamber heads. Figure the rest out your self I'm not your mom

Read closer and pay attention. He doesn't want a Stroker crank.

The answer is YOU can't say why newer is better. Which is exactly what I expected.