- 291THR7
- Hydraulic Lifter Mutha' ThumprT-High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
- Ford 221-302 c.i. 8 cyl. 1963-1995 (Includes 221, 260, 289 & 302)
- ThumprT Retro-Fit Hydraulic Roller Camshaft
Specification
- RPM Range:2200 to 5900
- Valve Timing: 0.006
- Lobe Separation: 107°
- Intake Centerline:102°
Intake/ Exhaust
- Valve Lash : Hyd
- Duration: 291, 311
- Duration @ .050" Lift: 235, 249
- Valve Lift: .54, 0.526
- Lobe Lift: .338, 0.329
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1963 - 1972 | Ford | Country Sedan | Base |
| 1963 - 1991 | Ford | Country Squire | Base |
| 1987 - 1991 | Ford | Country Squire | LX |
| 1964 - 1972 | Ford | Custom | Base |
| 1964 - 1972 | Ford | Custom 500 | Base |
| 1963 - 1970 | Ford | Fairlane | 500 |
| 1966 - 1967 | Ford | Fairlane | 500XL |
| 1963 - 1969 | Ford | Fairlane | Base |
| 1978 - 1979 | Ford | Fairmont | Futura, Base |
| 1979 | Ford | Fairmont | Wagon, Elite |
| 1963 - 1965 | Ford | Falcon | Futura Sprint |
| 1963 - 1970 | Ford | Falcon | Futura, Base |
| 1963 - 1965 | Ford | Falcon Sedan Delivery | Base |
| 1963 - 1967 | Ford | Galaxie | Base |
| 1963 - 1972 | Ford | Galaxie 500 | Base |
| 1963 - 1964 | Ford | Galaxie 500 | Sunliner, Victoria |
| 1963 - 1970 | Ford | Galaxie 500 | XL |
| 1972 - 1974 | Ford | Gran Torino | Base, Squire, Sport |
| 1973 - 1974 | Ford | Gran Torino | Brougham |
| 1974 | Ford | Gran Torino | Elite |
| 1975 - 1980 | Ford | Granada | Base, Ghia |
| 1978 - 1980 | Ford | Granada | ESS |
| 1968 | Ford | GT40 | Base |
| 1966 - 1969 | Ford | GT40 | MK III |
| 1965 - 1986 | Ford | LTD | Base |
| 1970 - 1986 | Ford | LTD | Brougham |
| 1977 - 1986 | Ford | LTD | Country Squire |
| 1980 - 1986 | Ford | LTD | Crown Victoria |
| 1986 | Ford | LTD | Crown Victoria LX, Country Squire LX |
| 1977 - 1979 | Ford | LTD | Landau |
| 1985 | Ford | LTD | LX Brougham |
| 1980 - 1982 | Ford | LTD | S |
| 1987 - 1991 | Ford | LTD Crown Victoria | LX, S, Base |
| 1977 - 1979 | Ford | LTD II | Base, S |
| 1977 - 1978 | Ford | LTD II | Brougham |
| 1979 | Ford | LTD II | Landau |
| 1977 | Ford | LTD II | Squire |
| 1971 - 1977 | Ford | Maverick | Base |
| 1975 - 1977 | Ford | Maverick | Grabber |
| 1964 - 1995 | Ford | Mustang | Base |
| 1969 - 1971 | Ford | Mustang | Boss 302 |
| 1971 - 1972 | Ford | Mustang | Boss 351 |
| 1969 - 1970 | Ford | Mustang | Boss 429 |
| 1994 | Ford | Mustang | Convertible |
| 1979 - 1982 | Ford | Mustang | Ghia |
| 1982 - 1983 | Ford | Mustang | GL, GLX |
| 1982 - 1995 | Ford | Mustang | GT |
| 1984 | Ford | Mustang | GT-350 20th Anniversary |
| 1995 | Ford | Mustang | GTS |
| 1982 - 1984 | Ford | Mustang | L |
| 1984 - 1993 | Ford | Mustang | LX |
| 1970 - 1973 | Ford | Mustang | Mach 1, Grande |
| 1965 - 1970 | Ford | Mustang | Shelby GT-350 |
| 1966 | Ford | Mustang | Shelby GT-350H |
| 1967 - 1970 | Ford | Mustang | Shelby GT-500 |
| 1968 | Ford | Mustang | Shelby GT-500KR |
| 1984 - 1986 | Ford | Mustang | SVO |
| 1993 - 1995 | Ford | Mustang | SVT Cobra R, SVT Cobra |
| 1983 | Ford | Mustang | Turbo GT |
| 1975 - 1978 | Ford | Mustang II | Mach 1, Base, Ghia |
| 1963 - 1972 | Ford | Ranch Wagon | Base |
| 1970 | Ford | Ranch Wagon | Police Cruiser |
| 1963 - 1964 | Ford | Sprint | Base |
| 1977 - 1992 | Ford | Thunderbird | Base |
| 1978 | Ford | Thunderbird | Diamond Jubilee |
| 1984 - 1986 | Ford | Thunderbird | Elan |
| 1985 - 1988 | Ford | Thunderbird | Equipado |
| 1984 - 1985 | Ford | Thunderbird | Fila |
| 1979 - 1983 | Ford | Thunderbird | Heritage |
| 1983 - 1993 | Ford | Thunderbird | LX |
| 1980 | Ford | Thunderbird | Silver Anniversary |
| 1991 - 1993 | Ford | Thunderbird | Super Coupe, V8 |
| 1978 - 1981 | Ford | Thunderbird | Town Landau |
| 1983 - 1988 | Ford | Thunderbird | Turbo, Sport |
| 1971 | Ford | Torino | 500 |
| 1968 - 1974 | Ford | Torino | Base |
| 1968 - 1971 | Ford | Torino | GT |
| 1969 - 1971 | Ford | Torino | Squire, Cobra |
| 1970 - 1971 | Ford | Torino | Super Cobra Jet, Brougham |
| 1980 - 1987 | Lincoln | Continental | Base |
| 1982 - 1987 | Lincoln | Continental | Givenchy |
| 1982 | Lincoln | Continental | Signature |
| 1983 - 1985 | Lincoln | Continental | Valentino |
| 1980 - 1983 | Lincoln | Mark VI | Base |
| 1982 | Lincoln | Mark VI | Givenchy |
| 1982 - 1983 | Lincoln | Mark VI | Pucci, Bill Blass, Signature |
| 1984 - 1987 | Lincoln | Mark VII | Base |
| 1984 - 1992 | Lincoln | Mark VII | LSC, Bill Blass |
| 1984 - 1985 | Lincoln | Mark VII | Versace |
| 1981 - 1990 | Lincoln | Town Car | Base |
| 1982 - 1990 | Lincoln | Town Car | Cartier, Signature |
| 1990 | Lincoln | Town Car | Cypress, Executive, Touring Edition |
| 1989 | Lincoln | Town Car | Signature SE |
| 1977 - 1980 | Lincoln | Versailles | Base |
| 1964 - 1967 | Mercury | Caliente | Base |
| 1986 | Mercury | Capri | 5.0 |
| 1979 - 1983 | Mercury | Capri | Base |
| 1983 | Mercury | Capri | Crimson Cat |
| 1979 | Mercury | Capri | Ghia |
| 1982 - 1986 | Mercury | Capri | GS |
| 1982 - 1983 | Mercury | Capri | L, Black Magic |
| 1982 - 1985 | Mercury | Capri | RS |
| 1984 | Mercury | Capri | RS Turbo |
| 1987 - 1991 | Mercury | Colony Park | GS, LS |
| 1964 - 1965 | Mercury | Comet | 404, 202 |
| 1963 - 1977 | Mercury | Comet | Base |
| 1963 | Mercury | Comet | S-22, Custom |
| 1967 | Mercury | Commuter | Base |
| 1967 - 1986 | Mercury | Cougar | Base |
| 1969 - 1970 | Mercury | Cougar | Cobra Jet, Boss 302, Boss 429 |
| 1983 - 1992 | Mercury | Cougar | LS |
| 1977 | Mercury | Cougar | Villager, Brougham |
| 1967 - 1993 | Mercury | Cougar | XR-7 |
| 1963 | Mercury | Country Cruiser | Base |
| 1964 - 1970 | Mercury | Cyclone | Base |
| 1969 | Mercury | Cyclone | CJ |
| 1970 | Mercury | Cyclone | GT |
| 1969 - 1970 | Mercury | Cyclone | Spoiler |
| 1979 - 1989 | Mercury | Grand Marquis | Base |
| 1979 - 1986 | Mercury | Grand Marquis | Colony Park |
| 1987 - 1991 | Mercury | Grand Marquis | GS |
| 1983 - 1991 | Mercury | Grand Marquis | LS |
| 1979 - 1985 | Mercury | Marquis | Base, Brougham |
| 1963 | Mercury | Meteor | Base, S-33, Custom |
| 1975 - 1980 | Mercury | Monarch | Base |
| 1975 - 1977 | Mercury | Monarch | Ghia |
| 1976 | Mercury | Monarch | Grand Ghia |
| 1972 - 1973 | Mercury | Montego | GT |
| 1968 - 1974 | Mercury | Montego | MX, Base |
| 1970 - 1974 | Mercury | Montego | Villager, MX Brougham |
| 1963 - 1967 | Mercury | Villager | Base |
| 1966 - 1967 | Mercury | Voyager | Base |
| 1978 - 1979 | Mercury | Zephyr | Base, Z7 |