THe True LZ Twin Cam head
This was 3 May 1973.
Debut Specifications
•1,598 cc (Bore 87.8mm: 4.8mm oversize)
•EGI (Nissan EFI)
•200ps @ 9,400 rpm,
•torque 17.0kgm @ 6,800 rpm
•Titanium intake and exhaust valves
•Four valve-per-cylinder, pentroof design with narrow 34 degree valve angle layout
•Flat-top pistons
•Compression ratio: 11.5 to 12.0
•mirror-polished forged steel connecting rods
•Double roller chain
•4-gear train