A square engine is when the bore = stroke. K20A 86mm x 86mm. Oversquare would be B16A 81mm x 77mm. Undersquare B18C1/5 81mm x 87.2mm. This does not affect your rod stroke ratio at all. B16A has a 1.74 r/s from: 134.37mm divide by 77.4mm= 1.736
I hope that is helpful at all? Just trying...
Yeah there has always been that problem with JDM flywheels getting eaten from starters. I know from the B-series you jsut have to use the B16A starter. And its all good. Can't wait to use my Spoon flywheel. :)
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