HI,
WHAT timing are you looking to set up, TDC for valve timing using
both pulleys, or ignition which i think from memory, cvh 12 degrees btdc.using bottom pulley, as far as i know all cvh engines are 12,btdc but if efi and setup using crank sensor ecu runs ignition timing. and valve timing done before bottom pulley is fitted forgot it was frst,

Dave.