yup stock is 250..when vvt functioned, the intake valve advanced 30 of crank angle(open at 0 TDC n close at 70 ABDC) instead of std open at 30 BTDC close 40 ABDC.do search on forum 9000 n billzilla.
any one done install megasquirt ems with 4age20v? c cheap DIY kit for MS2 on net..
---------- Post added at 07:22 PM ---------- 6 hour anti-bump limit - Previous post was at 07:20 PM ----------
this for 4age silvertop.BT has different timing by 5 degree..35-35 std.vvt on 5-65..