Ok here is my recipe for an 11 gallon batch assuming 80% efficiency. You can scale it to where you need it.
31.5 lbs of Briess 2 row---84%
2 lbs of English Medium Crystal---5.3%
2 lbs English Extra Dark Crystal---5.3%
2 lbs Table Sugar---5.3%(@ beginning of boil)
Mash at 149 for 90 minutes
Mashout @ 170 for 10 minutes
Boil hard 90 minutes. Collect 14.25 gallons of wort
Chinook 1.75 oz @ FWH
Chinook 2 oz @ 60 min
Centennial 3 oz @ 15 min
Cascade 3 oz @ 15 min
Centennial 3 oz @ 0 min
Cascade 3 oz @ 0 min
Force Chill to 64F Pitch Yeast
WLP001 California Ale- do 2L starter, decant, then do 4L starter. or pitch entire cake of another beer.
Let temp rise to 67F and hold for 2 weeks.
After 2 weeks add dry hops to primary and hold for another week.
1.5 oz Chinook
2.5 oz Cascade
Rack to keg crash to 40F. Force carbonate to 2.3 volumes.
Age atleast 6 months before drinking.
Enjoy! From what ive tasted thus far its a wonderful brew.