Quote:
Originally Posted by Subaru Alliance
As far as the combustion chambers being different between the heads, that doesn't make sense to me unless i am overlooking something here. if each engine has the same displacement per cylinder, same bore size, and same stroke, that tells me the cylinders are the same size, and therefore the combustion chamber of the heads are the same. according to the math here it looks as tho the eg33 is nothing more than a 6 cylinder variant of the ej22.
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um yea your really missing the idea that the heads have nothing in common. most notably ej22t = sohc, eg33 = dohc. hell even the spark plugs are not in the same place in the combustion chamber... piston shape and combustion chamber shape are pretty important when it comes to how fuel is being burnt inside the cylinder.