Vortec Cylinder Heads - Head Games

Danger Mouse Part 6

Mike Petralia Feb 1, 2003 0 Comment(s)
Sucp_0302_21_z Vortec_cylinder_heads Rocker_arms 1/17

The Vortec heads require self-aligning rocker arms, so we installed a set of COMP Cams roller-tip Magnum rockers (1.52:1 ratio, PN 1417-16) for the first test. Notice that we coated them with COMP Cams break-in lube so they'd be well oiled upon startup.

Test 14: Install GM Vortec iron heads SDPC PN SD8060A (64cc chambers, 170cc intake runner volume, 1.94/1.50 valves) with COMP Cams 1.5:1 Magnum roller-tip rockers PN 1417-16, Edelbrock RPM Air Gap Vortec intake manifold PN 7516.

Test 15: Install COMP Cams 1.6:1 Magnum roller-tip rockers (PN 1418-16).

Sources

Westech Performance Group
Mira Loma, CA
951-685-4767
WestechPerformance.com
Comp Cams
Memphis, TN 38118
800-999-0853
http://www.compcams.com
Denso
Long Beach, CA 90810
310-513-7335
http://www.densoiridium.com

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