Corporation RPM Buick Cylinder Heads Installation Instructions

Catalog #60039, #60049
Rev. 2/07 - RS/mc Page 4 of 4
©2007 Edelbrock Corporation
Brochure #63-60039
Edelbrock Corporation • 2700 California St. • Torrance, CA 90503
Tech-Line: 1-800-416-8628 • E-Mail: [e-mail]
®
SPECIFICATIONS
Head Bolt Torque: Top row: 110 ft-lbs
Bottom row: 100 ft-lbs
Intake Bolt Torque: 25 ft./lbs.
Deck Thickness: 5/8”
Deck Surface Milling Every .007” removed is equivalent to 1cc decrease in Chamber Volume
Combustion Chamber Volume: 68cc
Intake Port Volume: 215cc
Exhaust Port Volume: 130cc
Valve Size: Intake - 2.125”
Exhaust - 1.750”
Valve Seats: Hardened, Interlocking Ductile Iron. Compatible with unleaded fuels
Valve Locks: 11/32” x 7º (#9615)
Valve Spring Retainers: 7º 4140 Steel (#9644)
Valve Spring Diameter: 1.55”
Valve Spring Installed Height: 1.900”
Valve Spring Seat Pressure: 120 lbs.
Maximum Valve Lift: .600”
Rocker Arms: Adjustable 1.6:1 Ratio Required
Pushrods: Custom Length Pushrods. Use Edelbrock #9605 (Overall Length: 9.650”)
Spark Plugs: 14mm x ¾” reach, 5/8” hex, gasketed seat