Harry, I always just ream my crank pin holes and press in the pins, but the way you are doing it sounds OK albeit a bit troublesome to do correctly. I believe the big boys always pressed their pins in place as I don't remember seeing any nuts behind a driver to hold the pins in place. Maybe the Brits did things differently than we did over here. After all, they seem to add redundant letters to many words and then accuse us 'Murricans of callously tossing the extra letters out in the dust bin. [:>) Jesse MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.