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Edelbrock Part # 5486 Performer Buick V6 intake manifold is designed for 1979 and later street 231/252 c.i.d. (252 c.i.d. 1980-84 only) Buick V6 engines with late-model cylinder heads. Manifold will not fit pre-1979 engines. Manifold not equipped with EGR. Not compatible with C-3 and C-4 electronic fuel management systems.
WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.
Installation Notes
Recommended intake gasket: Fel-Pro # 1200
Manifold height: A-4.67", B-5.45", (1.30" taller than stock)
Carb pad height: 5.06"
Carb recommendations: Edelbrock AVS2 or Performer Series 500 cfm.
Port exit dimensions: .80" x 1.85".
Use 1981 Buick Regal water neck.
Use RTV sealant to properly seal end seals, such as Edelbrock High Temp Silicone sealant # 1076, DO NOT USE END SEALS GASKETS.
Hardened washers Must be used with intake bolts to ensure proper torque and prevent galling of the aluminum.