GC IV > GC I? By how much?

[Hard Knock Cues]

And K-66 rubber doesn’t work any better on those Monarch subrails either.

I found that out with my 1912 Frankenstein Before I learned a thing or two.

I recalibrated the rails myself but didn't go far enough and it's not a perfect 2:1 ratio but close enough for my skill level. Plays well all the same