For the first few years I ran the stock system. Four injectors and throttle linkage. When I made my new intake manifold, I left the two injectors in the engine, removed the two in the intake manifold. Removed the throttle linkage and just leave it wide open. Since I generally fill up with mogas from cans, I also mix some two stroke with the gas.

Are you running all four injectors? ( I know, they are not really "injectors")

Al Gietzen wrote:

Those of you who are not mixing oil with gas, and using the stock oil injection pump (anyone besides me?); where are you setting the flow control?  I do not have it linked to the throttle, and I think Atkin’s suggested tying it off about 2/3 of way up.  From limit to limit is about 180 degrees, and I currently have it tied off at about 135 degrees, 75% of full travel.  Sound OK?

 

Al