Quote:
Originally Posted by 74 SD455 Formula
I thought that poly urethane bushing as well as the 8in. Snowflake Wheels,4 Wheel disc brake's,quick ratio steering,fatty sway bars and I have never seen one without a posi unit.The WS6 option was manditory on the Formula's with the 400ci 4spd. option in 1979.
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Posi (Safe-T-track) was standard equipment on ALL 70-81 WS4's (Trans am option code)
In 1981,it became part of the WS6 package & optional on WS4