Cant keep in mind exactly what the B is, but TDC is Best DEAD CENTRE for for timing. All 20V's, whether or not for the coast or highveld must have a btdc of 10 deg. Meaning your inventory timing need to be set at ten. Naturally You need to run https://judahutqol.onzeblog.com/34656253/the-blacktop-20v-4age-diaries