[...trimmed text...]

Plug gap .035", dwell 26-31 degrees, timing 6 BTDC, idle 475 in D (A/T) or 575 (M/T). If it has thermactor, timing is 0 TDC, idle is 550 in D or 625. If it's a 289 Hi-perf, total dwell of 30-33 with e... Login to read more.