MANIFOLDS - Oldsmobile - Performer - Small Block
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Oldsmobile 307-403 V8
PERFORMER OLDS 350 (idle-5500 rpm)
Designed for street 307-330-350-403 c.i.d. Oldsmobile V8s, 1966-85. For non-EGR, the #2711 manifold comes with a universal pad to fit most carburetors with electric chokes 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).
Applications Part #
Performer Olds 350 (non-EGR) #2711
Performer Olds 350 (EGR) #3711
 
Carburetor Recommendations: #2711: Edelbrock Thunder Series AVS or Performer Series carb, 500-650 cfm (see pages 29-40). #3711: OEM 4-bbl.

Installation Notes: Edelbrock Performer Series, Thunder Series AVS and Carter AFB carburetors will not fit #3711. 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", B-3.90" see A/B Measurements. Port exit dimensions: 1.18" x 1.86".
 
Performer-Plus Camshaft Roller Timing Set
Valve Springs Retainers
Manifold Bolts Valve Covers
* Not legal for sale or use on pollution controlled motor vehicles.
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