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Phred · 05-10-2014, 09:59 AM

Probably the best on could to improve a LH1 would be to equalize the combustion chamber in volume and shape for all 4 cylinders. This may not be easy. The LH3 has CNC cut combustion chambers while the LH1 chambers are "as cast".

05-10-2014, 09:59 AM	#80
Phred Senior Member Join Date: May 2010 Location: IL Posts: 303	Re: Lion Speed Head Probably the best on could to improve a LH1 would be to equalize the combustion chamber in volume and shape for all 4 cylinders. This may not be easy. The LH3 has CNC cut combustion chambers while the LH1 chambers are "as cast".