Even V8-powered Darts (et al.) were plagued with that 100% worthless 7 1/4" piece of 5H1T ; and , obviously , the 273 Four Barrel cars were no exception .
Some were upgraded after 2 days of use when these 7 1/4's grenaded under normal use ; but , oddly , the Sure Grip-equipped versions were actually somewhat durable .
The REAL rear , the 8 3/4 , was standard in 383-powered '67 Darts / Barracudas , with *some* 273's being built with 'em .
By '68 and the intro of the 340 , more A-Body 8 3/4's were being produced .
What really chided me was seeing Slant Six Darts with the good rear , while my 318 dart got nailed with that dog **** 7 1/4 growling , howling , grinding junk !
You don't think I harbour any convicted hatred for the 7 1/4 , do ya ?