4×4 Suspension Masterclass
14 modules, 16 chapters. Engineering depth on extreme desert 4×4 suspension. Free, forever.
Chapter 01
Chapter 1 — Ride Dynamics and the 4×4 Weight Problem
Sprung/unsprung mass, natural frequency, the weight problem, GVM Free chapter from Zetrol's 14-module 4×4 Suspension Masterclass — desert-engineering depth, GCC-specific applications.
Chapter 02
Chapter 2 — Forces on a 4×4: Load Transfer, Articulation, and Terrain
Lateral/longitudinal transfer, RTI, terrain as a forcing function Free chapter from Zetrol's 14-module 4×4 Suspension Masterclass — desert-engineering depth, GCC-specific applications.
Chapter 03
Chapter 3 — Solid Axle Architecture and Geometry
Link configurations, roll center, axle wrap, complete parts map Free chapter from Zetrol's 14-module 4×4 Suspension Masterclass — desert-engineering depth, GCC-specific applications.
Chapter 04
Chapter 4 — Springs, Damping, and Travel for Solid Axle Rigs
Spring selection, shock hierarchy, bump stops, heat management Free chapter from Zetrol's 14-module 4×4 Suspension Masterclass — desert-engineering depth, GCC-specific applications.
Chapter 05
Chapter 5 — IFS Geometry and the Off-Road Compromise
Double-wishbone geometry, camber gain, CV limits, travel constraints Free chapter from Zetrol's 14-module 4×4 Suspension Masterclass — desert-engineering depth, GCC-specific applications.
Chapter 06
Chapter 6 — IFS Components Deep-Dive: CVs, Steering, and Weak Links
UCA types, CV axle management, steering geometry, coilovers Free chapter from Zetrol's 14-module 4×4 Suspension Masterclass — desert-engineering depth, GCC-specific applications.
Chapter 07
Chapter 7 — Damper Theory, Selection, and the Heat Problem
How dampers work, F-V curves, bore sizing, thermal capacity Free chapter from Zetrol's 14-module 4×4 Suspension Masterclass — desert-engineering depth, GCC-specific applications.
Chapter 08
Chapter 8 — Damper Tuning, Spring Matching, and Field Adjustment
Critical damping ratio, compression vs. rebound, adjuster knobs Free chapter from Zetrol's 14-module 4×4 Suspension Masterclass — desert-engineering depth, GCC-specific applications.
Chapter 09
Chapter 9 — Suspension Under Load: The GCC Reality
GVM upgrades, payload distribution, air bags, dual-rate systems Free chapter from Zetrol's 14-module 4×4 Suspension Masterclass — desert-engineering depth, GCC-specific applications.
Chapter 10
Chapter 10 — Lift Kits: What You're Actually Changing
Geometric consequences, solid axle vs. IFS corrections, planning Free chapter from Zetrol's 14-module 4×4 Suspension Masterclass — desert-engineering depth, GCC-specific applications.
Chapter 11
Chapter 11 — Steering Systems for Solid Axle and IFS
Steering geometry, solid vs. IFS, sway bars, death wobble Free chapter from Zetrol's 14-module 4×4 Suspension Masterclass — desert-engineering depth, GCC-specific applications.
Chapter 12
Chapter 12 — Wheels, Tyres, and the Contact Patch
Wheel selection, beadlocks, tyre pressure as suspension tool, alignment Free chapter from Zetrol's 14-module 4×4 Suspension Masterclass — desert-engineering depth, GCC-specific applications.
Chapter 13
Chapter 13 — Visual Inspection and Systematic Fault Trees
Static checks, lift inspection, tyre wear patterns, bushing condition Free chapter from Zetrol's 14-module 4×4 Suspension Masterclass — desert-engineering depth, GCC-specific applications.
Chapter 14
Chapter 14 — Service Procedures and Repair
NVH diagnostics, shock service, bushing replacement, reinforcement Free chapter from Zetrol's 14-module 4×4 Suspension Masterclass — desert-engineering depth, GCC-specific applications.
Chapter 15
Chapter 15 — Advanced and Electronic Suspension Systems
MR dampers, KDSS, air suspension, long-travel kits Free chapter from Zetrol's 14-module 4×4 Suspension Masterclass — desert-engineering depth, GCC-specific applications.
Chapter 16
Chapter 16 — Capstone Project and Course Wrap
Full vehicle diagnosis, build specification, priority order Free chapter from Zetrol's 14-module 4×4 Suspension Masterclass — desert-engineering depth, GCC-specific applications.