Most I've seen stop just short of the bumper midway between center and side of box. Mine is too close to center and I added the chrome extension as was seeing some residue inside the bumper on cold start up.


1950 Chevy 3600


Instagram/Olbluechevytruck
on Classic trucks:
http://rides.classictrucks.com/ride/1085750/olblue/1950/chevrolet/c20/