360 la

First order of business is bumping the timing up. 227at.050 and a 107lsa needs way more then 10 degrees. Once you get the initial to a reasonable spot without pinging with the fuel you use you'll have to go in the dizzy and adjust the total at 3k ish rpm's to get that in the 36 degree range. Once that's takin care of you can mess with the carb if need be.