Stock 1979 Ford Mustang 4-Link Rear Suspension Geometry - Anti-Squat & IC Data

This is a screenshot of the '4 Link' rear suspension analysis software by Performance Trends Inc., registered to Douglas C. Rahn, showing a saved setup titled 'STOCK 79 MUSTANG.' The program displays a side-view schematic of a Mustang with its 4-link rear suspension geometry plotted, including the instant center location marked by a cross-hair. Calculated values shown at the top are: Instant Center Length 55.6 inches, Instant Center Height 17.8 inches, and Anti-Squat 148.0%, with suspension type listed as 4 Link. Below the diagram, driveline geometry values are reported: Pinion Angle 2.00, Trans Yoke Movement .00, and Driveshaft Angle 2.00. A 'Holes Used' table documents the link bracket hole positions: Top Bracket rear (axle) #1 0" x 16.875", front (chassis) #1 7.5" x 17"; Bottom Bracket rear (axle) #1 0" x 7.375", front (chassis) #1 18" x 10.75". A 'Show Dynamic Changes' panel (set to No) offers inputs for Rear Spring Compression and Front End Rise. A reader can learn the stock 1979 Mustang (Fox-body) 4-link geometry values and how the software models instant center and anti-squat behavior.