Effective January 1, 2017 the minimum wage for all industries will be $10.50 per hour for employers with 26 more or more employees and shall remain at $10 per hour for employers with 25 or fewer employees. The minimum wage shall be adjusted on a yearly basis through 2023 according to the pre-set schedule shown above.
A 20 degree pressure angle allows for a smaller gear with less teeth before they begin to undercut making the base thinner than the pitch circle thickness of the tooth.
If you are planning to use a factory camshaft with a cathedral headed LS engine, the later LS6 is usually considered the top choice at .551/.551-inch lift, 204/218 degrees of duration at .050 and a 117.5 LSA.