69Mach1 M code 20 Report post Posted December 8, 2020 I am planning on performing the Shelby drop in my 69 Mach. I have the stock slotted chrome rims. Will the movement of the upper control arm create a clearance issue with the rims or other components? Is a stock upper ball joint o.k. to use or is a heavy duty unit required? Quote Share this post Link to post Share on other sites
RPM 1,190 Report post Posted December 8, 2020 Any quality ball joint will work. Get or do your own alignment to Daze's specs, no clearance issues. Daze says; These specifications are in order of importance. NO more than . 25 degrees difference between driver's side and passenger's side. +2.0 to +3.5 degrees caster. -. 5 to 0 degrees camber. No positive camber, please. ... 1/16" to 1/8” toe in. Quote Share this post Link to post Share on other sites
69Mach1 M code 20 Report post Posted December 10, 2020 Thanks RPM. I am planning on doing my own alignment since it seems that fewer shops have the experience with these older cars. I'll start with the specs you've listed above. Quote Share this post Link to post Share on other sites
Brian Conway 264 Report post Posted December 10, 2020 Spec's for my car. 225-70-14 tires and stock wheels. Stock suspension, Shelby-Arning drop and manual steering. Clarence Brown, Google them, Best shop in San Diego. Small difference in Caster nubers from RPM's spec's ? Brian 1 RPM reacted to this Quote Share this post Link to post Share on other sites
