Quote:
Originally Posted by FrankieT/A
I believe the thickest rear bar is the 1970 Trans am only.
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no, though many '70 T/A's had the 7/8" rear bar, some '70 T/A's had the 5/8" rear bar same as Formula model, who knows why, but very documented deal.
From the factory,n '71 & 72 T/A's (& handling pkg equip '71-72 Formulas), received a 7/8" rear bar. Own a very late built '72 T/A, it has always had it's 7/8" bar. Years ago, I parted on a '71 T/A, & a '72 Formula (which prev had 15" HC's). Amongst many things, removed their 7/8" rear swaybars, rear drop links, & cut three of the rear mtg brackets off the rusty rear frame rails, one was toast.
the 13/16" rear swaybar debuted for '73 model T/A, & continued on to '74 models, own a '73. Have not owned or parted on a '74 Formula with factory 15" wheels, but believe the handling pkg with T/A bars, stiffer springs, & select shocks still existed for the Formula.