I'm comparing the Z5-DE specs to a B5-ZE. Major differences include cylinder bore, camshafts and fuel injector flow rate.
Section 1: Bore
The bore of the B5 is 78mm. Other engines with a 78mm bore? The 1.6L engines. According to www.protegefaq.net, all of the 1.6L engines have a 78mm x 83.6mm...