1969-1976Base · V8.5753cc
Notes: 1969: Gap 0.034" · 1970: Gap 0.034" · 1971: Gap 0.034" · 1972: Gap 0.034" · 1973: Gap 0.034" · 1974: Gap 0.044" · 1975: Gap 0.044" · 1976: Gap 0.044" · 1981: H.O. Gap 0.044" · 1982: Gap 0.044"
1970-1971Base · V8.7030cc
Notes: 1970: Gap 0.034" 14mm Heads · 1971: Gap 0.034" 14mm Heads · 1973: Gap 0.034"
1970Base · V8.7014cc
Notes: Gap 0.034" Cleveland Engine
1970-1976Brougham · V8.5753cc
Notes: 1970: Gap 0.034" · 1971: Gap 0.034" · 1972: Gap 0.034" · 1973: Gap 0.034" · 1974: Gap 0.044" · 1975: Gap 0.044" · 1976: Gap 0.044"
1971-1974Base · V8.6555cc
Notes: 1971: Gap 0.034" 14mm Heads · 1972: Gap 0.034" 14mm Heads · 1973: Gap 0.034" · 1974: Gap 0.044"
1971-1974Base · V8.6556cc
Notes: 1971: Gap 0.034" 14mm Heads · 1972: Gap 0.034" 14mm Heads · 1973: Gap 0.034" · 1974: Gap 0.044"
1971-1974Brougham · V8.6556cc
Notes: 1971: Gap 0.034" 14mm Heads · 1972: Gap 0.034" 14mm Heads · 1973: Gap 0.034" · 1974: Gap 0.044"
1971Brougham · V8.7030cc
Notes: 1971: Gap 0.034" 14mm Heads · 1973: Gap 0.034"
1971-1974Brougham · V8.6555cc
Notes: 1971: Gap 0.034" 14mm Heads · 1972: Gap 0.034" 14mm Heads · 1973: Gap 0.034" · 1974: Gap 0.044"
1972-1974Base · V8.7539cc
Notes: 1972: Gap 0.034" · 1973: Gap 0.034" · 1974: Gap 0.044"
1972-1974Brougham · V8.7539cc
Notes: 1972: Gap 0.034" · 1973: Gap 0.034" · 1974: Gap 0.044"
1973Base · V8.7030cc
Notes: 1970: Gap 0.034" 14mm Heads · 1971: Gap 0.034" 14mm Heads · 1973: Gap 0.034"
1973Brougham · V8.7030cc
Notes: 1971: Gap 0.034" 14mm Heads · 1973: Gap 0.034"
1975-1976Landau · V8.5753cc
Notes: Gap 0.044"
1981-1982Base · V8.5753cc
Notes: 1969: Gap 0.034" · 1970: Gap 0.034" · 1971: Gap 0.034" · 1972: Gap 0.034" · 1973: Gap 0.034" · 1974: Gap 0.044" · 1975: Gap 0.044" · 1976: Gap 0.044" · 1981: H.O. Gap 0.044" · 1982: Gap 0.044"
1981Country Squire · V8.5753cc
Notes: 1981: H.O. Gap 0.044" · 1983: Gap 0.044" · 1984: Gap 0.044" · 1985: Gap 0.044" · 1986: Gap 0.044"
1981-1986Crown Victoria · V8.5753cc
Notes: 1981: H.O. Gap 0.044" · 1982: Gap 0.044" · 1983: Gap 0.044" · 1984: Gap 0.044" · 1985: Gap 0.044" · 1986: Gap 0.044"
1981-1982S · V8.5753cc
Notes: 1981: H.O. Gap 0.044" · 1982: Gap 0.044"
1983-1986Country Squire · V8.5753cc
Notes: 1981: H.O. Gap 0.044" · 1983: Gap 0.044" · 1984: Gap 0.044" · 1985: Gap 0.044" · 1986: Gap 0.044"
1986Country Squire LX · V8.5753cc
Notes: Gap 0.044"
1986Crown Victoria LX · V8.5753cc
Notes: Gap 0.044"
1987-1991Crown Victoria Base · V8.5753cc
Notes: Gap 0.044"