I don't.as there is a rule with p/time 4 x4s.
full time 4 x 4s are different ratios are the same frt and back
you did mention tilt cab and they don't make a tilt cab in light duty and any above a 1t was a med duty and would have been a Napco application

3:90 ratios were more common from 73 and up I believe

Last edited by padresag; 11/24/2010 11:57 PM.
http://s908.beta.photobucket.com/user/padresag/library/turned%20works
http://s908.beta.photobucket.com/user/padresag/library/furniture
and a little history of where I come from
http://forum.woodenboat.com/showthread.php?156542-old-boatshop-in-Steveston