Opinions on Leaf Springs and Torsion Bars?

I just ran the California Melee in my Barracuda (800+ miles on back roads, including gravel and worse-than-gravel). I have new .890 t-bars and fairly old replacement "Formula S" rear springs (factory HD for SB), with front and rear Addco bars (front with custom fabricated brackets, poly bushings, and "no bushing" heim-joint end links). This made for a good combination of compliance (on rough roads) and roll control. Stock height in rear, a hair lower in front. No problem keeping up with most of the sports cars, except in the really tight hairpins (26:1 manual box couldn't spin fast enough), and on downhills (some were 10% grades) where the slushbox would let it run away, and then it would push through turns because you couldn't get on the power hard enough (since you were running out of road).

Other equipment: factory K-H calipers, slotted cross-drilled rotors with ceramic pads (Summit Racing), new 215/70-14 Firehawk Indy 500s on 14 x 5.5 rallies, 3.23 SureGrip, KYBs, new Moog offset UCA bushings, improved Moog strut bushings.

I was very pleased with this combo, other than the steering ratio. And a 4-speed would be nice in this event.

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Max
1967 Fastback
Johnny Lightning Muscle Cars USA #14
273 Commando
Mountain View, CA