Sorry, that's comsec / opsec. Those are his own mods, he will help with advice, but he won't give up the trade secrets.
Have you checked out the FAQ on make your 1.6 faster?
There was also a link on going to a softer spring to speed up advance.
There are a host of other minor mods you can do that will boost performance with this pump. Best option is the search function with IP or injection and pump.
Jim