P Liner/ shader set up.


30 Jul 2009
Hi, I bought a kit off ebay . it has three machines but they are all the same an it is said they are all liner/ shaders. apart from contact screw gap are there any other adjustments I can make. I have seen shops selling different gauge springs ,would these help? or should I really invest in a couple of dedicated liner and shader machines.To be honest even the dearer macines I see for sale in this country don't seem to be of better quality is it just a matter of proper set up ?
hope you can shed some light?
cheers Colin