First thing to check is subframe bushings and bushings in general. A lack of strutural integrity will degrade ride quality a lot. Also check to see that the rear leaf springs aren`t rusted togeter etc. which binds them up. `79 TA isn`t normally a rough riding car at all. They`re long,heavy and have pretty decent suspension. To get a ride where you can`t feel bumps at 40mph though I suggest a Bently Arnage or Maybach. Of course they cost a few hundred grand more than the TA... A link rear suspension like the G Bar generally will improve ride quality as well as reduce weight quite a bit on these cars. Up front it`s a function of spring rate and more so shock dampening. The shocks are the biggest factor in ride quality so don`t skimp and choose wisely. Adj. shocks will let you fine tune the ride to your liking. Personally I`d go front spring in the 550 lb/in area, adj. Varishocks (DA if you really want to dial them in perfectly),G-Bar in the rear with 175lb/in springs, subframe connectors and solid subframe bushings. The more solid the chassis the better the suspension can do it`s job. Beyond that consider a set of MasterCraft suspension seats. They`re super lightweight,super comfy and soak up bumps really well. They`re ususally used for Baja racing so the tiny tiny bumps we run into with street cars are nothing. Mark SC&C
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