#33984 Prep L2 Rocker Ratios

2024-01-01 Prep L2 Rocker Ratios

#33984 from Eric Vickerman · Recommended to the Board · Minutes (2023-05 Fastrack)

In Production Category Specifications, GCR Section 9.1.5.E.2.f.1., change as follows:
"Camshafts are unrestricted. Any lifters, tappets/cam followers of the same type and diameter as stock are permitted. The
interchange of hydraulic and solid lifters is permitted. (Effective 1/1/2024)"
In Production Category Specifications, GCR Section 9.1.5.E.2.f.5., change as follows:
"Pushrods are unrestricted. Rocker shafts and/or shaft pedestals, when utilized in the stock type system, can be replaced by
alternate shafts and/or pedestals and are unrestricted. Valve rocker arms and/or rocker type cam followers are unrestricted, but
the rocker ratios and/or follower ratios must be stock. (Effective 1/1/2024)"