I used 4 ounces of oak chips. That was also my concern with having to leave the beer in the secondary for an extended time. I want the bourbon/oak flavors to be noticeable but not over powering.
In the process of brewing my first extract beer. Its a brown ale that sat in the primary for 8 days. I then racked it into the secondary with some toasted oak chips that were soaking in bourbon for a little over a week. Anyways, what I'm getting at is I racked the beer while it still had a...