Coil Spring and Swaybar Mounts

The swaybar mount has been TIG welded to the lower control arm and the swaybar link attached. I'm pretty proud of the bumpstop mount and the bumpstop. It looks like a 50s dagmar (bullet). I truly lucked out with the original coil springs. I expected them to be too tall. I planned for a ride height of 11" for the steering geometry and was pretty sure I would have to cut some coils off. The springs gave exactly 11" ride height! I think I'll go and buy some lottery tickets..

everything in place!

Swaybar, springs, bumpstop and steering arm installed

If you go to install springs, coat the upper coils with a lubricant so that they slide into the ring at the top of the crossmember. I had to reinstall the first coil cause it didn't slide on to the upper ring. I found an interesting spring calculator on the web which will calculate the spring rate from unloaded spring dimensions. The stock unloaded spring measured:

  • Height: 14 1/2 inches
  • Outer Diameter: 4 1/2 inches
  • Coil diameter: 1/2 inches
  • Number of coils: 11 (including 1 nonactive coil)

The spring rate calculates out to about 137 lb/inch - for what its worth..

You can see the 73 Ford Courier's steering arms attached to the upright with 1 7/8" spacers to clear the lower balljoint and to give proper steering geometry. It's bolted together with 1/2" grade 8 nuts, lockwashers and bolts. I found that lower grade lockwashers would actually split when used with grade 8 nuts and bolts.

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Copyright March 2011 Eugene Blanchard