Originally Posted by danssoslow
I read in another post that you are thinking about drilling out your hammer for spring clearance. Being's you're in the automotive industry; what are your thoughts on using a small slug Mallory metal to restore the weight to the hammer, or maybe even making a hammer out of the Malloy metal?
I really want to make a pump micro; but the lack of online knowledge concerning tuning with a traditional hammer/valve has me worried about making the move.
Since this marker build I've built three more, the one above I cut 3/4" off the back...... I've learned my lesson, been cutting 1/2" off now with no problems.