Originally Posted by
Mr.Fixit-Norm
Thanks Mick, handy to know. Looks like I’ll need to lengthen the sleeve a bit but that’s not an issue. There’s a definite lip on the inside close to the piston end of the port, not sure whether to leave that as a stop so the sleeve doesn’t go in too far or run a drill through to make it all the same size ?
I don’t think the lip is very big ( a 4.5mm drill goes right through ) and the hole is still bigger than 3mm so it may be better to leave it as is ?
problem with leaving the lip is for an unknown depth, there will now be a 4.5mm diameter void that will just waste air. However, if you could ascertain it's length, you could machine a step into your TP sleeve and knock it in from the front, abutting it to the lip, just like Mick prefers
Always looking for any cheap, interesting, knackered "project" guns. Thanks, JB.