Join Date: Jan 2015
Location: Injun Territory, 'Merica!
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The cast steel A/F body drop spindles do nothing but create problems. Have quite a bit of hands on with the frontends of these old A-bodys. Have personally installed over 2 dozen front disc conversions using select disc spindles. Have also removed several quickee "F-body tall spindle" disc swaps that created nothing but a nightmare. Also have had dealings two locals that pulled cheapee 2" cast dropped spindles off their recently purchased '70 A-body's. One of these locals had me supply some suspension pieces & build him a posi rear for his Malibu. The other has a Cutlass S, & I ended up getting him in some niced used disc spindles, caliper brackets, rotors, a disc master cylinder & proper combination valve.
Correct design slightly lower stiffer springs are the way to go if you are running stock geometry control arms & are a relatively inexpensive way to lower the front end. When the front coil springs are coming out, it's a great time to examine & replace control arm bushings & near 50 year old balljoints. There are a lot of relatively cheap suspension "kits" out there with really junk chinese tierods & balljoints, have to be smarter. Its either rebuild with quality parts process, or throw big stacks of $$$$ @ true quality designed & manufactured upper & lower tubular front control arms & coil overs.
The contraption design of the Chinese cast drop spindles was merely thrown out onto market to make money for the seller. The drop spindles put the tie rod ends right next to the inside of your front rims, this will effect wheel selection... Limits the backspacing of what wheel you can run. The use of drop spindles & stock springs allows full range of the suspension, as as a result, the large frame crossmember, oil pan, header collectors/head pipes are now 2" closer to the pavement & when the suspension bottoms out, so can/often will any of the above with resulting damage. Just a total contraption design, save you hard earned money!