I do not know the exact diameter of my current PVCR's but they are in between .037" (sloppy) and .062". These were the closest drill bits that I had. The .062 was closer in size.

When opening these up, how much do you open them up when testing (.001", .005", etc.)
Thanks


1970 YO7 A66 [Canadian Export] F8 Challenger
340 (Currently in shop for stroker assy.)