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gone-ot · 08-14-2012, 01:46 PM

HEMI-sperical is best for power.

WEDGE with almost 'no' peripheral "squish-area" is best for emissions.

BOWL in cylinder is better for fuel economy with direct-injection (ala' diesel).

08-14-2012, 01:46 PM	#4 (permalink)
gone-ot ...beats walking... Join Date: Jul 2009 Location: . Posts: 6,190 Thanks: 179 Thanked 1,525 Times in 1,126 Posts	HEMI-sperical is best for power. WEDGE with almost 'no' peripheral "squish-area" is best for emissions. BOWL in cylinder is better for fuel economy with direct-injection (ala' diesel).