1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 ALL MANIFOLD

Part Number: 3721

ALL  MANIFOLD - Part Number 3721
Manifold Performer 302 4V EGR SB Ford. Idle 5500 rpm. Designed for carbureted 302 c.i.d. Ford V8s with EGR. #3723 is stock replacement/street legal part for 302 2V V8s: 1972-85. Comes with a 2V EGR plate allowing the use of the stock 2V carb and EGR valve. #3721 is stock replacement/street legal part for 302 4-V V8s; 1983-85. Replaces the stock 4V EGR manifold using the stock 4V adapter. Both manifolds can be adapted for 4V use by using our #8053 4V EGR plate and the OEM EGR valve and gasket. Our #8017 adapter kit and Ford #E4ZZ9A-589E spacer may be substituded for our #8053 EGR plate (1983-85 H.O. Mustangs/Capris come with this Ford spacer). For 4V off-highway non-EGR applications, use our #8714 spacer. Aftermarket 4-bbl carbs are not compatible with Ford Auto Overdrive Transmission (AOD) unless used with Lokar bracket SRK-4000. Carburetor Recommendations: #3721: OEM 4-bbl. use our #8011 (if necessary). #3723: OEM 2-bbl, #3723 can be used for off-road applications with Edelbrock Thunder Series AVS or Performer Series carb, 500-650 cfm (non-EGR) use adapter #8714. For auto transmission use our #1483 & #1490 or #1844 & #1845. Installation Notes: Recommended intake gasket: Edelbrock #7220. #3721 includes gaskets & 4-bbl plate #8017 for sealing of OEM EGR plate & carb. Replacement EGR plate gaskets for #3723; #3896 & #3897. Manifold height: #3721 A-3.13 in, B-4.31 in (without EGR plates installed). #3723 A-4.00 in, B-5.19 in (with EGR plates installed). Port exit dimensions: .90 in x 1.90 in.
Performer 302 4V EGR SB Ford 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991

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