1950 1951 1952 1953 ALL MANIFOLD

Part Number: 3711

ALL  MANIFOLD - Part Number 3711
Manifold Performer Olds 350 EGR/ non-EGR. Oldsmobile 307-403 V8. Idle 5500 rpm. Designed for street 307-330-350-403 c.i.d. Oldsmobile V8s. 1966-85. For non-EGR, #3711 is stock replacement/street legal part for 307, 350 and 403 V8s with OEM 4-bbl carb; 1966-72 (1973 non-CA). For EGR #3711 is stock replacement/street legal part for 307, 350 and 403 V8s with OEM 4-bbl carb; 1972-85; except 1976 with back pressure EGRs. 350 GM Corporate engines, 1981-86, use Performer #3701 for stock replacement. Will fit 1980-1/2 to 1985 307 c.i.d. V8s with 5A heads (casting #3317). Carburetor Recommendations: OEM 4-bbl. Installation Notes: Edelbrock Performer Series, Thunder Series AVS and Carter AFB carburetors will not fit this manifold. Recommended intake gasket: Fel-pro #MS96027. For 403 Pontiac Trans Am, use OEM 4-bbl only (for shaker hood clearance). EGR block-off plate included. Use choke block-off plate #8951 (included). Factory cruise control will not clear EGR valve without linkage alteration. For EGR applications, use stock carb only. HEI will clear this manifold. Manifold height: A-2.50 in, B-3.90 in. Port exit dimensions: 1.18 in x 1.86 in.
Performer Olds 350 EGR/ non EGR 1950 1951 1952 1953

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