Thumb Spy Kids

There are lots of "rules of thumb" about what should be parallel or pointing up or down. Jun 6, 2010my favorite for fuel lines are the hotrod thumb screw clamps from the early 50s. I found some nos eelco thumb screws a few years ago.

Mar 5, 2019the general rule of thumb for proper capacity of expansion is:- 12% of total coolant volume for draw down; Mar 27, 2009what s the rule of thumb before cutting coils? Is there a general rule of thumb for the amount of travel from all the way up until it.