[chartin81]

Ok so just got a gen 4 and put a lurker ram and spring in and i can't get it shooting over 260 fps upper my lpr upper my dwell and nothing put the stock spring in and decided to readjust the regs so loosened them both all the way out turned my lpr to 60 and turn my aka 2 liter and the lpr starts going up i been having gen 3 timmys a while and never had this problem and this is my first gen 4 is there any tips or tricks i need to know about and i am running stock bolt and empire 1.5 board lpr and ram have been relubed I've heard about perging the lpr but that's really it. Any hhelp would be greatly appreciated. Thanks

[lopez17]

Just a FYI, there should be no need to purge the valve on your marker if you have the brass poppet installed That was only for Gen4 poppets with the Delrin cupseal. I'm not a huge fan of lightened rams in the Gen4's. They're finicky enough without introducing more variables to that equation. What you're describing is the issue I see most with the lightened rams...after adjusting your regs and dwell you still can't get to velocity. IMO, the effort isn't worth the lightened ram.

[chartin81]

Ok gotcha thanks i will put the stock ram back in and relubed my hpr and go from there thanks for the info