Originally Posted by GCUK
Well I dont have a gauge like that to use. Like I say, I set the shoes so I could just slide the rotor back on, so assume there is no drag at that point.
I'll give it a road test on a hill and see if they hold the jeep still !
If I read Frango's doc correctly, you would want to have somewhere between 1/64th of an inch and 1/128th of an inch slack between the shoes and the drum.
Using 1/128th, thats just over 7 thousandths of an inch.
If you have any old computer punch cards, you could bend one in between the drum and the shoe and hit that value so close it would be scary. Adjust till it just barely can be moved. The advantage of this method is that it can be moved along the shoe to make sure there is no too tight spot or too loose.
Ordinary tablet paper varies quite a bit, but a single sheet folded tightly in half will come in just a bit too thin, so you'd go for a slightly looser fit.
Make sure you can slide a folded tablet sheet all around the shoe, so you get only a bit of drag and never a tight spot.
You might be able to eyeball this thin of a clearance, you do not want much at all, but you also do not want it to touch.