Hey guys, I bought the spare Dirtbad pcb from Jacob that wasn't working and found the problems. I knew that it had to be related the the two IC's and a couple of caps that he removed so I pulled up the schematic and ohmed everything out until I found a few places that were open. A few wires on the outside of the board and it's working like a champ. My delay pot is exactly 100K and C42 is 250pF. I bought 4 MN3005's from Polida (EBAY) and tried them all. I know it's a little crude but I set the delay pot to max and feedback to max and counted the number of repeats in 30 seconds. I got 68 repeats in 30 seconds no matter which combination of two chips I used. That should be about 441ms (68x2=136 repeats in one minute. 60 divided by 136= 441ms). The delay time seems a little short but I don't think you can get that much out of 2 MN3008's. All four give the same delay time so I can't be using one MN3005 and a MN3008 (which would explain 440ms). So did I get 4 real MN3005's?