Cant keep in mind what the B is, but TDC is Major Lifeless CENTRE for for timing. All 20V's, regardless of whether in the coast or highveld should have a btdc of 10 deg. Meaning your inventory timing ought to be established at 10. I don't desire to be contacted https://4age-engine-sale79970.vidublog.com/33637769/not-known-factual-statements-about-4age-20v-itbs